SULFURYL FLUORIDE

Sulfuryl fluoride is used as a fumigant insecticide and in organic synthesis for dyestuffs and pharmaceuticals (Scheffrahn et al, 1989; ITI, 1995; ACGIH, 1991; Budavari, 1996). Scheffrahn et al (1989) studied the residue fluoride levels in frozen foodstuffs fumigated with conventional amounts of sulfuryl fluoride (that used to fumigate food establishments) and determined the residues would probably not exceed 1 ppm.
Sulfuryl fluoride is frequently used as a "tent fumigant" where an entire structure is enclosed in plastic sheeting and the agent used to fill the plastic tent (Scheuerman, 1986).

FORMS

Sulfuryl fluoride is a colorless, odorless, nonflammable gas which is not very reactive and is not hydrolyzed by water (Budavari, 1996; ITI, 1995; ACGIH, 1991; Lewis, 2000).

This material may be shipped as a liquified gas under its own vapor pressure (AAR, 1998). The gas is heavier than air (AAR, 1998).

SOURCES

Sulfuryl fluoride is prepared by heating Ba(SO3F)2 (Budavari, 1996).

-CLINICAL EFFECTS

GENERAL CLINICAL EFFECTS

INHALATION - Sulfuryl fluoride is heavier than air and prolonged breathing may result in fatal hypoxia. Nose, throat, and respiratory tract irritation may occur. Death has resulted from pulmonary edema and respiratory arrest following inhalation exposure.

TOPICAL - Contact with escaping liquefied gas may cause frostbite injury. Eye irritation may occur with direct corneal contact.

Paresthesias or seizures may develop. Nausea, vomiting, abdominal pain, diffuse rhonchi, hypotension, carpopedal spasm, dysrhythmias, and pruritus may occur.

EXPERIMENTAL ANIMALS - In experimental animals CNS depression, tremors, seizures, pulmonary edema, and liver and kidney injury have been reported.

POTENTIAL HEALTH HAZARDS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 123 (ERG, 2004)

TOXIC; may be fatal if inhaled or absorbed through skin.
Vapors may be irritating.
Contact with gas or liquefied gas may cause burns, severe injury and/or frostbite.
Fire will produce irritating, corrosive and/or toxic gases.
Runoff from fire control may cause pollution.

-FIRST AID

FIRST AID AND PREHOSPITAL TREATMENT

INHALATION EXPOSURE

Remove victims of inhalation exposure from the toxic environment and administer 100 percent supplemental humidified oxygen with assisted ventilation as required. Rescuers should not enter areas with suspected high air concentrations without self-contained breathing apparatus.

DERMAL EXPOSURE

TOPICAL: Rewarming and a variety of topical treatments have been recommended for treating frostbite injuries.

-MEDICAL TREATMENT

LIFE SUPPORT

Support respiratory and cardiovascular function.

SUMMARY

FIRST AID - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 123 (ERG, 2004)

Move victim to fresh air.
Call 911 or emergency medical service.
Give artificial respiration if victim is not breathing.
Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device.
Administer oxygen if breathing is difficult.
Remove and isolate contaminated clothing and shoes.
In case of contact with liquefied gas, thaw frosted parts with lukewarm water.
In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes.
Keep victim warm and quiet.
Keep victim under observation.
Effects of contact or inhalation may be delayed.
Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves.

FIRST AID

GENERAL

Remove victims of inhalation exposure from the toxic environment and administer 100% supplemental humidified oxygen with assisted ventilation as required.
Rescuers should not enter areas with suspected high air concentrations without self-contained breathing apparatus.

FROSTBITE INJURY

Rewarming and a variety of topical treatments have been recommended for treating frostbite injuries.

INHALATION EXPOSURE

INHALATION: Move patient to fresh air. Monitor for respiratory distress. If cough or difficulty breathing develops, evaluate for respiratory tract irritation, bronchitis, or pneumonitis. Administer oxygen and assist ventilation as required. Treat bronchospasm with an inhaled beta2-adrenergic agonist. Consider systemic corticosteroids in patients with significant bronchospasm.
Endotracheal intubation, supplemental oxygenation, and assisted ventilation may be required.
ACUTE LUNG INJURY: Maintain ventilation and oxygenation and evaluate with frequent arterial blood gases and/or pulse oximetry monitoring. Early use of PEEP and mechanical ventilation may be needed.
SEIZURES: Administer a benzodiazepine; DIAZEPAM (ADULT: 5 to 10 mg IV initially; repeat every 5 to 20 minutes as needed. CHILD: 0.1 to 0.5 mg/kg IV over 2 to 5 minutes; up to a maximum of 10 mg/dose. May repeat dose every 5 to 10 minutes as needed) or LORAZEPAM (ADULT: 2 to 4 mg IV initially; repeat every 5 to 10 minutes as needed, if seizures persist. CHILD: 0.05 to 0.1 mg/kg IV over 2 to 5 minutes, up to a maximum of 4 mg/dose; may repeat in 5 to 15 minutes as needed, if seizures continue).

Consider phenobarbital or propofol if seizures recur after diazepam 30 mg (adults) or 10 mg (children greater than 5 years).
Monitor for hypotension, dysrhythmias, respiratory depression, and need for endotracheal intubation. Evaluate for hypoglycemia, electrolyte disturbances, and hypoxia.

HYPOTENSION: Infuse 10 to 20 mL/kg isotonic fluid. If hypotension persists, administer dopamine (5 to 20 mcg/kg/min) or norepinephrine (ADULT: begin infusion at 0.5 to 1 mcg/min; CHILD: begin infusion at 0.1 mcg/kg/min); titrate to desired response.
CARDIAC MONITORING/DYSRHYTHMIAS: Continuous EKG and vital sign monitoring should be done. Calcium replacement and antiarrhythmic therapy may be required if dysrhythmias occur.
LABORATORY

A number of chemicals produce abnormalities of the hematopoietic system, liver, and kidneys. Monitoring complete blood count, urinalysis, and liver and kidney function tests is suggested for patients with significant exposure.
If respiratory tract irritation or respiratory depression is evident, monitor arterial blood gases, chest x-ray, and pulmonary function tests.
Monitor serum fluoride and calcium levels in patients with significant exposure.

Carefully observe patients with inhalation exposure for the development of any systemic signs or symptoms and administer symptomatic treatment as necessary.
Calcium replacement therapy may be required.

EYE EXPOSURE

DECONTAMINATION: Remove contact lenses and irrigate exposed eyes with copious amounts of room temperature 0.9% saline or water for at least 15 minutes. If irritation, pain, swelling, lacrimation, or photophobia persist after 15 minutes of irrigation, the patient should be seen in a healthcare facility.

DERMAL EXPOSURE

PREHOSPITAL

Rewarming of a localized area should only be considered if the risk of refreezing is unlikely. Avoid rubbing the frozen area which may cause further damage to the area (Grieve et al, 2011; Hallam et al, 2010).

REWARMING

Do not institute rewarming unless complete rewarming can be assured; refreezing thawed tissue increases tissue damage. Place affected area in a water bath with a temperature of 40 to 42 degrees Celsius for 15 to 30 minutes until thawing is complete. The bath should be large enough to permit complete immersion of the injured part, avoiding contact with the sides of the bath. A whirlpool bath would be ideal. Some authors suggest a mild antibacterial (ie, chlorhexidine, hexachlorophene or povidone-iodine) be added to the bath water. Tissues should be thoroughly rewarmed and pliable; the skin will appear a red-purple color (Grieve et al, 2011; Hallam et al, 2010; Murphy et al, 2000).
Correct systemic hypothermia which can cause cold diuresis due to suppression of antidiuretic hormone; consider IV fluids (Grieve et al, 2011).
Rewarming may be associated with increasing acute pain, requiring narcotic analgesics.
For severe frostbite, clinical trials have shown that pentoxifylline, a phosphodiesterase inhibitor, can enhance tissue viability by increasing blood flow and reducing platelet activity (Hallam et al, 2010).

WOUND CARE

Digits should be separated by sterile absorbent cotton; no constrictive dressings should be used. Protective dressings should be changed twice per day.
Perform twice daily hydrotherapy for 30 to 45 minutes in warm water at 40 degrees Celsius. This helps debride devitalized tissue and maintain range of motion. Keep the area warm and dry between treatments (Hallam et al, 2010; Murphy et al, 2000).
The injured extremities should be elevated and should not be allowed to bear weight.
In patients at risk for infection of necrotic tissue, prophylactic antibiotics and tetanus toxoid have been recommended by some authors (Hallam et al, 2010; Murphy et al, 2000).
Non-tense clear blisters should be left intact due to the risk of infection; tense or hemorrhagic blisters may be carefully aspirated in a setting where aseptic technique is provided (Hallam et al, 2010).
Further surgical debridement should be delayed until mummification demarcation has occurred (60 to 90 days). Spontaneous amputation may occur.
Analgesics may be required during the rewarming phase; however, patients with severe pain should be evaluated for vasospasm.
IMAGING: Arteriography and noninvasive vascular techniques (e.g., plain radiography, laser Doppler studies, digital plethysmography, infrared thermography, isotope scanning), have been useful in evaluating the extent of vasospasm after thawing and assessing whether debridement is needed (Hallam et al, 2010). In cases of severe frostbite, Technetium 99 (triple phase scanning) and MRI angiography have been shown to be the most useful to assess injury and determine the extent or need for surgical debridement (Hallam et al, 2010).
TOPICAL THERAPY: Topical aloe vera may decrease tissue destruction and should be applied every 6 hours (Murphy et al, 2000).
IBUPROFEN THERAPY: Ibuprofen, a thromboxane inhibitor, may help limit inflammatory damage and reduce tissue loss (Grieve et al, 2011; Murphy et al, 2000). DOSE: 400 mg orally every 12 hours is recommended (Hallam et al, 2010).
THROMBOLYTIC THERAPY: Thrombolysis (intra-arterial or intravenous thrombolytic agents) may be beneficial in those patients at risk to lose a digit or a limb, if done within the first 24 hours of exposure. The use of tissue plasminogen activator (t-PA) to clear microvascular thromboses can restore arterial blood flow, but should be accompanied by close monitoring including angiography or technetium scanning to evaluate the injury and to evaluate the effects of t-PA administration. Potential risk of the procedure includes significant tissue edema that can lead to a rise in interstitial pressures resulting in compartment syndrome (Grieve et al, 2011).
CONTROVERSIAL: Adjunct pharmacological agents (ie, heparin, vasodilators, prostacyclins, prostaglandin synthetase inhibitors, dextran) are controversial and not routinely recommended. The role of hyperbaric oxygen therapy, sympathectomy remains unclear (Grieve et al, 2011).
CHRONIC PAIN: Vasomotor dysfunction can produce chronic pain. Amitriptyline has been used in some patients; some patients may need a referral for pain management. Inability to tolerate the cold (in the affected area) has been observed following a single episode of frostbite (Hallam et al, 2010).
MORBIDITIES: Frostbite can produce localized osteoporosis and possible bone loss following a severe case. These events may take a year or more to develop. Children may be at greater risk to develop more severe events (ie, early arthritis) (Hallam et al, 2010).

Treatment should include recommendations listed in the INHALATION EXPOSURE section when appropriate.

-RANGE OF TOXICITY

MINIMUM LETHAL EXPOSURE

CASE REPORTS

Two fatalities occurred in an elderly couple who lived in an 80,000 cubic foot house fumigated with 250 pounds of sulfuryl fluoride (MMWR, 1987).
Two fatal incidents in California in 1986 occurred when persons entered tarped buildings which had been earlier fumigated with sulfuryl fluoride (Maddy & Edmiston, 1988).

MAXIMUM TOLERATED EXPOSURE

CONCENTRATION LEVEL

Following fumigation with sulfuryl fluoride, no one should enter the area until measured air concentrations are below 5 parts per million (MMWR, 1987). If the measured air levels are greater than 5 parts per million, a self-contained breathing apparatus should be worn if entry into the area is required (MMWR, 1987).

OCCUPATIONAL

CASE REPORT - Eight construction workers entered a tarped house which had been fumigated with sulfuryl fluoride; three of them reported dizziness; exposures were estimated to be from 10 to 20 minutes at levels subsequently measured at 0 to 5 parts per million (Maddy & Edmiston, 1988).

ANIMAL DATA

Experimental animals exposed to airborne concentrations of 1000 parts per million for 3 hours or 15,000 parts per million for six minutes had less than 5 percent fatalities (Hathaway et al, 1996).

Carcinogenicity Ratings for CAS2699-79-8 :

ACGIH (American Conference of Governmental Industrial Hygienists, 2010): Not Listed ; Listed as: Sulfuryl fluoride
EPA (U.S. Environmental Protection Agency, 2011): Not Listed
IARC (International Agency for Research on Cancer (IARC), 2016; International Agency for Research on Cancer, 2015; IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2010; IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2010a; IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2008; IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2007; IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2006; IARC, 2004): Not Listed
NIOSH (National Institute for Occupational Safety and Health, 2007): Not Listed ; Listed as: Sulfuryl fluoride
MAK (DFG, 2002): Not Listed
NTP (U.S. Department of Health and Human Services, Public Health Service, National Toxicology Project ): Not Listed

TOXICITY AND RISK ASSESSMENT VALUES

EPA IRIS

EPA Risk Assessment Values for CAS2699-79-8 (U.S. Environmental Protection Agency, 2011):

Not Listed

TOXICITY VALUES

Reference: RTECS, 2002
- LC50- (INHALATION)RAT:
- LCLo- (INHALATION)MOUSE:
- LCLo- (INHALATION)RABBIT:
- LD50- (ORAL)GUINEA_PIG:
- LD50- (ORAL)RAT:

CALCULATIONS

AMBIENT CONVERSIONS

CONVERSION FACTORS

1 ppm equals about 4 mg/m(3) (ACGIH, 1991).

-STANDARDS AND LABELS

WORKPLACE STANDARDS

ACGIH TLV Values for CAS2699-79-8 (American Conference of Governmental Industrial Hygienists, 2010):

Editor's Note: The listed values are recommendations or guidelines developed by ACGIH(R) to assist in the control of health hazards. They should only be used, interpreted and applied by individuals trained in industrial hygiene. Before applying these values, it is imperative to read the introduction to each section in the current TLVs(R) and BEI(R) Book and become familiar with the constraints and limitations to their use. Always consult the Documentation of the TLVs(R) and BEIs(R) before applying these recommendations and guidelines.

Adopted Value

Sulfuryl fluoride

TLV:

TLV-TWA: 5 ppm
TLV-STEL: 10 ppm
TLV-Ceiling:

Notations and Endnotes:

Carcinogenicity Category: Not Listed
Codes: Not Listed
Definitions: Not Listed

TLV Basis - Critical Effect(s): CNS impair
Molecular Weight: 102.07

For gases and vapors, to convert the TLV from ppm to mg/m(3):

[(TLV in ppm)(gram molecular weight of substance)]/24.45

For gases and vapors, to convert the TLV from mg/m(3) to ppm:

[(TLV in mg/m(3))(24.45)]/gram molecular weight of substance

AIHA WEEL Values for CAS2699-79-8 (AIHA, 2006):

Not Listed

NIOSH REL and IDLH Values for CAS2699-79-8 (National Institute for Occupational Safety and Health, 2007):

Listed as: Sulfuryl fluoride
REL:

TWA: 5 ppm (20 mg/m(3))
STEL: 10 ppm (40 mg/m(3))
Ceiling:
Carcinogen Listing: (Not Listed) Not Listed
Skin Designation: Not Listed
Note(s):

IDLH:

IDLH: 200 ppm
Note(s): Not Listed

OSHA PEL Values for CAS2699-79-8 (U.S. Occupational Safety, and Health Administration (OSHA), 2010):

Listed as: Sulfuryl fluoride
Table Z-1 for Sulfuryl fluoride:

8-hour TWA:

ppm: 5

Parts of vapor or gas per million parts of contaminated air by volume at 25 degrees C and 760 torr.

mg/m3: 20

Milligrams of substances per cubic meter of air. When entry is in this column only, the value is exact; when listed with a ppm entry, it is approximate.

Ceiling Value:
Skin Designation: No
Notation(s): Not Listed

OSHA List of Highly Hazardous Chemicals, Toxics, and Reactives for CAS2699-79-8 (U.S. Occupational Safety and Health Administration, 2010):

Not Listed

ENVIRONMENTAL STANDARDS

EPA CERCLA, Hazardous Substances and Reportable Quantities for CAS2699-79-8 (U.S. Environmental Protection Agency, 2010):

Not Listed

EPA CERCLA, Hazardous Substances and Reportable Quantities, Radionuclides for CAS2699-79-8 (U.S. Environmental Protection Agency, 2010):

Not Listed

EPA RCRA Hazardous Waste Number for CAS2699-79-8 (U.S. Environmental Protection Agency, 2010b):

Not Listed
Editor's Note: The D, F, and K series waste numbers and Appendix VIII to Part 261 -- Hazardous Constituents were not included. Please refer to 40 CFR Part 261.

EPA SARA Title III, Extremely Hazardous Substance List for CAS2699-79-8 (U.S. Environmental Protection Agency, 2010):

Not Listed

EPA SARA Title III, Community Right-to-Know for CAS2699-79-8 (40 CFR 372.65, 2006; 40 CFR 372.28, 2006):

Listed as: Sulfuryl fluoride [Vikane]
Effective Date for Reporting Under 40 CFR 372.30: 1/1/95
Lower Thresholds for Chemicals of Special Concern under 40 CFR 372.28:

DOT List of Marine Pollutants for CAS2699-79-8 (49 CFR 172.101 - App. B, 2005):

Not Listed

EPA TSCA Inventory for CAS2699-79-8 (EPA, 2005):

Listed as: Sulfuryl fluoride

SHIPPING REGULATIONS

SURFACE

DOT -- Table of Hazardous Materials and Special Provisions for UN/NA Number 2191 (49 CFR 172.101, 2005):

Hazardous materials descriptions and proper shipping name: Sulfuryl fluoride

Symbol(s): Not Listed
Hazard class or Division: 2.3

2.3: Poisonous gas. See 49 CFR section 173.115 for definitions.

Identification Number: UN2191
Packing Group: Not Listed
Label(s) required (if not excepted): 2.3

2.3: Poison Gas.

Special Provisions: 4

4: This material is poisonous by inhalation (see sxn. 171.8 of this subchapter) in Hazard Zone D (see sxn. 173.116(a) of this subchapter), and must be described as an inhalation hazard under the provisions of this subchapter.

Packaging Authorizations (refer to 49 CFR 173.***):

Exceptions: None
Non-bulk packaging: 304
Bulk packaging: 314, 315

Quantity Limitations:

Passenger aircraft or railcar: Forbidden
Cargo aircraft only: Forbidden

Vessel Stowage Requirements:

Vessel stowage location: D

D: The material must be stowed "on deck only" on a cargo vessel and on a passenger vessel carrying a number of passengers limited to not more than the larger of 25 passengers or one passenger per each 3 m of overall vessel length, but the material is prohibited on passenger vessels in which the limiting number of passengers is exceeded.

Vessel stowage other: 40

40: Stow "clear of living quarters".

ICAO International Shipping Name for UN2191 (ICAO, 2002):

Proper Shipping Name: Sulphuryl fluoride
UN Number: 2191

LABELS

NFPA

NFPA Hazard Ratings for CAS2699-79-8 (NFPA, 2002):

Not Listed

-HANDLING AND STORAGE

SUMMARY

INDUSTRIAL CHEMICALS

Following fumigation with sulfuryl fluoride, no one should enter the area until measured air concentrations are below 5 ppm (MMWR, 1987). If the measured air levels are greater than 5 ppm, a self-contained breathing apparatus should be worn if entry into the area is required (MMWR, 1987).

-PERSONAL PROTECTION

SUMMARY

RECOMMENDED PROTECTIVE CLOTHING - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 123 (ERG, 2004)

Wear positive pressure self-contained breathing apparatus (SCBA).
Wear chemical protective clothing that is specifically recommended by the manufacturer. It may provide little or no thermal protection.
Structural firefighters' protective clothing provides limited protection in fire situations ONLY; it is not effective in spill situations where direct contact with the substance is possible.

For normal handling procedures, suitable respirators are the only protective equipment specified by NIOSH (Sittig, 1985).

Other sources have recommended wear of protective equipment including rubber gloves, full protective clothing, safety glasses, and a self-contained breathing apparatus (ITI, 1985).

In hazardous materials situations, avoid breathing the vapors (AAR, 1987). Do not attempt to handle broken or leaking containers without proper protective equipment including full protective clothing and a self-contained breathing apparatus (AAR, 1987).

Following fumigation with sulfuryl fluoride, no one should enter the area until measured air concentrations are below 5 ppm (MMWR, 1987). If the measured air levels are greater than 5 ppm, a self-contained breathing apparatus should be worn if entry into the area is required (MMWR, 1987).

RESPIRATORY PROTECTION

For normal handling procedures, suitable respirators are the only protective equipment specified by NIOSH (Sittig, 1985).

Other sources have recommended wear of protective equipment including rubber gloves, full protective clothing, safety glasses, and a self-contained breathing apparatus (ITI, 1985).

Following fumigation with sulfuryl fluoride, no one should enter the area until measured air concentrations are below 5 ppm (MMWR, 1987). If the measured air levels are greater than 5 ppm, a self-contained breathing apparatus should be worn if entry into the area is required (MMWR, 1987).

Refer to "Recommendations for respirator selection" in the NIOSH Pocket Guide to Chemical Hazards on TOMES Plus(R) for respirator information.

PROTECTIVE CLOTHING

CHEMICAL PROTECTIVE CLOTHING. Search results for CAS 2699-79-8.

Specific recommendations and test data for this chemical were not found in the available manufacturers' product literature. A complete list of consulted manufacturers and references is presented below.

-PHYSICAL HAZARDS

FIRE HAZARD

SUMMARY

POTENTIAL FIRE OR EXPLOSION HAZARDS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 123 (ERG, 2004)
- Some may burn, but none ignite readily.
- Vapors from liquefied gas are initially heavier than air and spread along ground.
- Cylinders exposed to fire may vent and release toxic and/or corrosive gas through pressure relief devices.
- Containers may explode when heated.
- Ruptured cylinders may rocket.
This material does not burn or burns only with difficulty and does not readily ignite (AAR, 1987).
Water should be applied from as far away as possible (AAR, 1987).
Containers exposed to the heat of a fire should be cooled from the side with flooding quantities of water until well after the fire is extinguished (AAR, 1987).
Containers should be moved from the fire area and leaks stopped if this can be done without risk (AAR, 1987).

FLAMMABILITY CLASSIFICATION

NFPA Flammability Rating for CAS2699-79-8 (NFPA, 2002):

Not Listed

FIRE CONTROL/EXTINGUISHING AGENTS

SMALL FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 123 (ERG, 2004)

Dry chemical or CO2.

LARGE FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 123 (ERG, 2004)

Water spray, fog or regular foam.
Do not get water inside containers.
Move containers from fire area if you can do it without risk.
Damaged cylinders should be handled only by specialists.

TANK FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 123 (ERG, 2004)

Fight fire from maximum distance or use unmanned hose holders or monitor nozzles.
Cool containers with flooding quantities of water until well after fire is out.
Do not direct water at source of leak or safety devices; icing may occur.
Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank.
ALWAYS stay away from tanks engulfed in fire.

NFPA Extinguishing Methods for CAS2699-79-8 (NFPA, 2002):

Not Listed

Fire should be extinguished using an agent suitable for the type of surrounding combustible materials (AAR, 1987).

COMBUSTION TOXICITY

When heated to decomposition, sulfuryl fluoride releases toxic fumes of fluoride and oxides of sulfur (Sax, 1989).

DUST/VAPOR HAZARD

When heated to decomposition, sulfuryl fluoride releases toxic fumes of fluoride and oxides of sulfur (Sax, 1989).

REACTIVITY HAZARD

Sulfuryl fluoride is stable in the presence of water (ITI, 1995), although it may react with water or steam (Lewis, 1996).

Sulfuryl fluoride hydrolyzes in the presence of sodium hydroxide (ITI, 1995).

When heated to decomposition, sulfuryl fluoride releases toxic fumes of fluoride and oxides of sulfur (Lewis, 1996).

EVACUATION PROCEDURES

SUMMARY

Initial Isolation and Protective Action Distances (ERG, 2004)

Data presented from the Emergency Response Guidebook Table of Initial Isolation and Protective Action Distances are for use when a spill has occurred and there is no fire. If there is a fire, or if a fire is involved, evacuation information presented under FIRE - PUBLIC SAFETY EVACUATION DISTANCES should be used.
Generally, a small spill is one that involves a single, small package such as a drum containing up to approximately 200 liters, a small cylinder, or a small leak from a large package. A large spill is one that involves a spill from a large package, or multiple spills from many small packages.
Suggested distances to protect from vapors of toxic-by-inhalation and/or water-reactive materials during the first 30 minutes following the spill.

DOT ID No. 2191 - Sulfuryl fluoride

SMALL SPILLS

First isolate in all directions: 30 meters (100 feet).
Note wind direction.
Then protect persons downwind:

during the DAY for: 0.1 kilometers (0.1 miles); or
during the NIGHT for: 0.3 kilometers (0.2 miles).

LARGE SPILLS

First isolate in all directions: 120 meters (400 feet).
Note wind direction.
Then protect persons downwind:

during the DAY for: 1.2 kilometers (0.8 miles); or
during the NIGHT for: 3.8 kilometers (2.4 miles).

DOT ID No. 2191 - Sulphuryl fluoride

SMALL SPILLS

First isolate in all directions: 30 meters (100 feet).
Note wind direction.
Then protect persons downwind:

during the DAY for: 0.1 kilometers (0.1 miles); or
during the NIGHT for: 0.3 kilometers (0.2 miles).

LARGE SPILLS

First isolate in all directions: 120 meters (400 feet).
Note wind direction.
Then protect persons downwind:

during the DAY for: 1.2 kilometers (0.8 miles); or
during the NIGHT for: 3.8 kilometers (2.4 miles).

SPILL - PUBLIC SAFETY EVACUATION DISTANCES - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 123 (ERG, 2004)

Increase, in the downwind direction, as necessary, the isolation distance of at least 100 meters (330 feet) in all directions.

FIRE - PUBLIC SAFETY EVACUATION DISTANCES - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 123 (ERG, 2004)

If tank, rail car or tank truck is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions.

PUBLIC SAFETY MEASURES - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 123 (ERG, 2004)

CALL Emergency Response Telephone Number on Shipping Paper first. If Shipping Paper not available or no answer, refer to appropriate telephone number:

MEXICO:

SETIQ:

01-800-00-214-00 in the Mexican Republic;
For calls originating in Mexico City and the Metropolitan Area: 5559-1588;
For calls originating elsewhere, call: 011-52-555-559-1588.

CENACOM:

01-800-00-413-00 in the Mexican Republic;
For calls originating in Mexico City and the Metropolitan Area: 5550-1496, 5550-1552, 5550-1485, or 5550-4885;
For calls originating elsewhere, call: 011-52-555-550-1496, or 011-52-555-550-1552; 011-52-555-550-1485, or 011-52-555-550-4885.

ARGENTINA:

CIQUIME:

0-800-222-2933 in the Republic of Argentina;
For calls originating elsewhere, call: +54-11-4613-1100.

BRAZIL:

PRÓ-QUÍMICA:

0-800-118270 (Toll-free in Brazil);
For calls originating elsewhere, call: +55-11-232-1144 (Collect calls are accepted).

COLUMBIA:

CISPROQUIM:

01-800-091-6012 in Colombia;
For calls originating in Bogotá, Colombia, call: 288-6012;
For calls originating elsewhere, call: 011-57-1-288-6012.

CANADA:

CANUTEC:

613-996-6666 (Collect calls are accepted);
*666 cellular (in Canada only).

UNITED STATES:

CHEMTREC®:

1-800-424-9300 (Toll-free in the U.S., Canada, and the U.S. Virgin Islands);
703-527-3887 for calls originating elsewhere (Collect calls are accepted).

CHEM-TEL, INC.:

1-800-255-3924 (Toll-free in the U.S., Canada, and the U.S. Virgin Islands);
813-248-0585 for calls originating elsewhere (Collect calls are accepted).

INFOTRAC:

1-800-535-5053 (Toll-free in the U.S., Canada, and the U.S. Virgin Islands);
352-323-3500 for calls originating elsewhere (Collect calls are accepted).

3E COMPANY:

1-800-451-8346 (Toll-free in the U.S., Canada, and the U.S. Virgin Islands);
760-602-8703 for calls originating elsewhere (Collect calls are accepted).

NATIONAL RESPONSE CENTER (NRC):

1-800-424-8802 - (24 hours) (Toll-free in the U.S., Canada, and the U.S. Virgin Islands);
202-267-2675 for calls in the District of Columbia.

MILITARY SHIPMENTS:

703-697-0218 - Explosives/ammunition incidents (Collect calls are accepted);
1-800-851-8061 - All other dangerous goods incidents.

NATIONWIDE POISON CONTROL CENTER (United States only):

1-800-222-1222 (Toll-free in the U.S.).

For additional details see the section entitled "WHO TO CALL FOR ASSISTANCE" under the ERG Instructions.
As an immediate precautionary measure, isolate spill or leak area for at least 100 meters (330 feet) in all directions.
Keep unauthorized personnel away.
Stay upwind.
Many gases are heavier than air and will spread along ground and collect in low or confined areas (sewers, basements, tanks).
Keep out of low areas.
Ventilate closed spaces before entering.

AIHA ERPG Values for CAS2699-79-8 (AIHA, 2006):

Not Listed

DOE TEEL Values for CAS2699-79-8 (U.S. Department of Energy, Office of Emergency Management, 2010):

Listed as Sulfuryl fluoride
TEEL-0 (units = ppm): 5
TEEL-1 (units = ppm): 10
TEEL-2 (units = ppm): 21
TEEL-3 (units = ppm): 64
Definitions:

TEEL-0: The threshold concentration below which most people will experience no adverse health effects.
TEEL-1: The airborne concentration (expressed as ppm [parts per million] or mg/m(3) [milligrams per cubic meter]) of a substance above which it is predicted that the general population, including susceptible individuals, could experience notable discomfort, irritation, or certain asymptomatic, nonsensory effects. However, these effects are not disabling and are transient and reversible upon cessation of exposure.
TEEL-2: The airborne concentration (expressed as ppm or mg/m(3)) of a substance above which it is predicted that the general population, including susceptible individuals, could experience irreversible or other serious, long-lasting, adverse health effects or an impaired ability to escape.
TEEL-3: The airborne concentration (expressed as ppm or mg/m(3)) of a substance above which it is predicted that the general population, including susceptible individuals, could experience life-threatening adverse health effects or death.

AEGL Values for CAS2699-79-8 (National Research Council, 2010; National Research Council, 2009; National Research Council, 2008; National Research Council, 2007; NRC, 2001; NRC, 2002; NRC, 2003; NRC, 2004; NRC, 2004; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; United States Environmental Protection Agency Office of Pollution Prevention and Toxics, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; 62 FR 58840, 1997; 65 FR 14186, 2000; 65 FR 39264, 2000; 65 FR 77866, 2000; 66 FR 21940, 2001; 67 FR 7164, 2002; 68 FR 42710, 2003; 69 FR 54144, 2004):

Listed as: Sulfuryl fluoride
Proposed Value:

AEGL-1

10 min exposure:

ppm: Not recommended due to insufficient data
mg/m3:

30 min exposure:

ppm: Not recommended due to insufficient data
mg/m3:

1 hr exposure:

ppm: Not recommended due to insufficient data
mg/m3:

4 hr exposure:

ppm: Not recommended due to insufficient data
mg/m3:

8 hr exposure:

ppm: Not recommended due to insufficient data
mg/m3:

Definitions:

AEGL-1 is the airborne concentration of a substance above which it is predicted that the general population, including susceptible individuals, could experience notable discomfort, irritation, or certain asymptomatic non-sensory effects. However, the effects are not disabling, are transient, and are reversible upon cessation of exposure.

Listed as: Sulfuryl fluoride
Proposed Value:

AEGL-2

10 min exposure:

ppm: 27 ppm
mg/m3: 110 mg/m(3)

30 min exposure:

ppm: 27 ppm
mg/m3: 110 mg/m(3)

1 hr exposure:

ppm: 21 ppm
mg/m3: 88 mg/m(3)

4 hr exposure:

ppm: 13 ppm
mg/m3: 54 mg/m(3)

8 hr exposure:

ppm: 6.7 ppm
mg/m3: 28 mg/m(3)

Definitions:

AEGL-2 is the airborne concentration of a substance above which it is predicted that the general population, including susceptible individuals, could experience irreversible or other serious, long-lasting adverse health effects or an impaired ability to escape.

Listed as: Sulfuryl fluoride
Proposed Value:

AEGL-3

10 min exposure:

ppm: 81 ppm
mg/m3: 340 mg/m(3)

30 min exposure:

ppm: 81 ppm
mg/m3: 340 mg/m(3)

1 hr exposure:

ppm: 64 ppm
mg/m3: 270 mg/m(3)

4 hr exposure:

ppm: 40 ppm
mg/m3: 170 mg/m(3)

8 hr exposure:

ppm: 20 ppm
mg/m3: 83 mg/m(3)

Definitions:

AEGL-3 is the airborne concentration of a substance above which it is predicted that the general population, including susceptible individuals, could experience life-threatening health effects or death.

NIOSH IDLH Values for CAS2699-79-8 (National Institute for Occupational Safety and Health, 2007):

IDLH: 200 ppm
Note(s): Not Listed

CONTAINMENT/WASTE TREATMENT OPTIONS

SUMMARY

SPILL OR LEAK PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 123 (ERG, 2004)
- Fully encapsulating, vapor protective clothing should be worn for spills and leaks with no fire.
- Do not touch or walk through spilled material.
- Stop leak if you can do it without risk.
- If possible, turn leaking containers so that gas escapes rather than liquid.
- Prevent entry into waterways, sewers, basements or confined areas.
- Use water spray to reduce vapors or divert vapor cloud drift. Avoid allowing water runoff to conact spilled material.
- Do not direct water at spill or source of leak.
- Isolate area until gas has dispersed.
RECOMMENDED PROTECTIVE CLOTHING - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 123 (ERG, 2004)
- Wear positive pressure self-contained breathing apparatus (SCBA).
- Wear chemical protective clothing that is specifically recommended by the manufacturer. It may provide little or no thermal protection.
- Structural firefighters' protective clothing provides limited protection in fire situations ONLY; it is not effective in spill situations where direct contact with the substance is possible.

SMALL LEAK/SPILL

Small amounts of spilled material can be flowed into a mixed solution containing slaked lime and caustic soda and placed into a hood to evaporate (ITI, 1985).

LARGE LEAK/SPILL

A layer of a 1:1 mixture of slaked lime and soda ash can be sprayed onto the spilled material from behind a shield. After mixing these materials, spray on water slowly. Slowly transfer the resultant mixture into a large amount of water (ITI, 1985).
A suggested disposal method (Sittig, 1985) is to add a soda ash-slaked lime solution to produce the corresponding sodium and calcium salt solution.
- Precipitated calcium fluoride can be buried or added to a landfill (Sittig, 1985).
- Small amounts of sulfuryl fluoride gas can be released directly into the atmosphere without causing serious harm (Sittig, 1985).

-ENVIRONMENTAL HAZARD MANAGEMENT

POLLUTION HAZARD

Sulfuryl fluoride is an inorganic gas fumigant used in structures, vehicles, and wood products for control of drywood termites, wood-infesting beetles, and certain other insects and rodents. It is not registered for use on food or feed crops. It dissipates extremely rapidly after release into the environment (EXTOXNET, 1996).

Environmental effects from sulfuryl fluoride are expected to be negligible because this fumigant is applied only indoors or in sealed structures (EXTOXNET, 1996).

The small amounts of sulfuryl fluoride released during fumigation are calculated to have no impact on the global atmosphere. It is broken down mainly through hydrolysis to fluoride and sulfide ions. It does not interact with or contribute to local ozone formation, because it is fully oxidized. It contains does not contribute to stratospheric ozone depletion (EPA, 2003).

ABIOTIC DEGRADATION

No information found at the time of this review.

ENVIRONMENTAL TOXICITY

No criteria have been set for permissible concentrations of sulfuryl fluoride in water (Sittig, 1985).

-PHYSICAL/CHEMICAL PROPERTIES

MOLECULAR WEIGHT

102.06 (RTECS , 2002)

DESCRIPTION/PHYSICAL STATE

Sulfuryl fluoride is a colorless, odorless, nonflammable gas which is not very reactive and is not hydrolyzed by water (Budavari, 1996; ITI, 1995; ACGIH, 1991; Lewis, 2000).

This material may be shipped as a liquefied gas under its own vapor pressure. The gas is heavier than air (AAR, 1998).

SPECIFIC GRAVITY

TEMPERATURE AND/OR PRESSURE NOT LISTED

LIQUID: 1.7 g/mL (ITI, 1995)

FREEZING/MELTING POINT

FREEZING POINT

-136.7 degrees C (Lewis, 2000)

MELTING POINT

-135.82 degrees C (ACGIH, 1991)

BOILING POINT

-55.4 degrees C (ITI, 1995; Lewis, 2000)

SOLUBILITY

IN WATER

Sulfuryl fluoride is slightly soluble in cold water (ITI, 1995).
This compound is slightly soluble in water (ACGIH, 1991).

IN ORGANIC SOLVENTS

Sulfuryl fluoride is slightly soluble in most organic solvents (ITI, 1995).
It is soluble in alcohol and carbon tetrachloride (ACGIH, 1991).

-REFERENCES

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National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Acrylonitrile (Proposed). United States Environmental Protection Agency. Washington, DC. 2007c. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=090000648028e6a3&disposition=attachment&contentType=pdf. As accessed 2010-08-12.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Adamsite (Proposed). United States Environmental Protection Agency. Washington, DC. 2007h. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=090000648020fd29&disposition=attachment&contentType=pdf. As accessed 2010-08-16.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Agent BZ (3-quinuclidinyl benzilate) (Proposed). United States Environmental Protection Agency. Washington, DC. 2007f. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=09000064803ad507&disposition=attachment&contentType=pdf. As accessed 2010-08-18.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Allyl Chloride (Proposed). United States Environmental Protection Agency. Washington, DC. 2008. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=090000648039d9ee&disposition=attachment&contentType=pdf. As accessed 2010-08-12.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Aluminum Phosphide (Proposed). United States Environmental Protection Agency. Washington, DC. 2005b. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=090000648020c5ed&disposition=attachment&contentType=pdf. As accessed 2010-08-16.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Arsenic Trioxide (Proposed). United States Environmental Protection Agency. Washington, DC. 2007m. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=0900006480220305&disposition=attachment&contentType=pdf. As accessed 2010-08-16.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Automotive Gasoline Unleaded (Proposed). United States Environmental Protection Agency. Washington, DC. 2009a. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=0900006480a7cc17&disposition=attachment&contentType=pdf. As accessed 2010-08-12.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Biphenyl (Proposed). United States Environmental Protection Agency. Washington, DC. 2005j. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=09000064801ea1b7&disposition=attachment&contentType=pdf. As accessed 2010-08-16.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Bis-Chloromethyl Ether (BCME) (Proposed). United States Environmental Protection Agency. Washington, DC. 2006n. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=090000648022db11&disposition=attachment&contentType=pdf. As accessed 2010-08-16.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Boron Tribromide (Proposed). United States Environmental Protection Agency. Washington, DC. 2008a. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=09000064803ae1d3&disposition=attachment&contentType=pdf. As accessed 2010-08-12.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Bromine Chloride (Proposed). United States Environmental Protection Agency. Washington, DC. 2007d. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=090000648039732a&disposition=attachment&contentType=pdf. As accessed 2010-08-12.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Bromoacetone (Proposed). United States Environmental Protection Agency. Washington, DC. 2008e. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=09000064809187bf&disposition=attachment&contentType=pdf. As accessed 2010-08-12.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Calcium Phosphide (Proposed). United States Environmental Protection Agency. Washington, DC. 2005d. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=090000648020c5ed&disposition=attachment&contentType=pdf. As accessed 2010-08-16.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Carbonyl Fluoride (Proposed). United States Environmental Protection Agency. Washington, DC. 2008b. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=09000064803ae328&disposition=attachment&contentType=pdf. As accessed 2010-08-12.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Carbonyl Sulfide (Proposed). United States Environmental Protection Agency. Washington, DC. 2007e. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=090000648037ff26&disposition=attachment&contentType=pdf. As accessed 2010-08-12.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Chlorobenzene (Proposed). United States Environmental Protection Agency. Washington, DC. 2008c. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=09000064803a52bb&disposition=attachment&contentType=pdf. As accessed 2010-08-12.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Cyanogen (Proposed). United States Environmental Protection Agency. Washington, DC. 2008f. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=09000064809187fe&disposition=attachment&contentType=pdf. As accessed 2010-08-15.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Dimethyl Phosphite (Proposed). United States Environmental Protection Agency. Washington, DC. 2009. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=0900006480a7cbf3&disposition=attachment&contentType=pdf. As accessed 2010-08-12.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Diphenylchloroarsine (Proposed). United States Environmental Protection Agency. Washington, DC. 2007l. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=090000648020fd29&disposition=attachment&contentType=pdf. As accessed 2010-08-16.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Ethyl Isocyanate (Proposed). United States Environmental Protection Agency. Washington, DC. 2008h. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=090000648091884e&disposition=attachment&contentType=pdf. As accessed 2010-08-15.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Ethyl Phosphorodichloridate (Proposed). United States Environmental Protection Agency. Washington, DC. 2008i. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=0900006480920347&disposition=attachment&contentType=pdf. As accessed 2010-08-15.

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National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Ethyldichloroarsine (Proposed). United States Environmental Protection Agency. Washington, DC. 2007j. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=090000648020fd29&disposition=attachment&contentType=pdf. As accessed 2010-08-16.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Germane (Proposed). United States Environmental Protection Agency. Washington, DC. 2008j. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=0900006480963906&disposition=attachment&contentType=pdf. As accessed 2010-08-15.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Hexafluoropropylene (Proposed). United States Environmental Protection Agency. Washington, DC. 2006. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=09000064801ea1f5&disposition=attachment&contentType=pdf. As accessed 2010-08-15.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Ketene (Proposed). United States Environmental Protection Agency. Washington, DC. 2007. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=090000648020ee7c&disposition=attachment&contentType=pdf. As accessed 2010-08-15.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Magnesium Aluminum Phosphide (Proposed). United States Environmental Protection Agency. Washington, DC. 2005h. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=090000648020c5ed&disposition=attachment&contentType=pdf. As accessed 2010-08-16.

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National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Malathion (Proposed). United States Environmental Protection Agency. Washington, DC. 2009k. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=09000064809639df&disposition=attachment&contentType=pdf. As accessed 2010-08-15.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Mercury Vapor (Proposed). United States Environmental Protection Agency. Washington, DC. 2009b. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=0900006480a8a087&disposition=attachment&contentType=pdf. As accessed 2010-08-12.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Methyl Isothiocyanate (Proposed). United States Environmental Protection Agency. Washington, DC. 2008k. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=0900006480963a03&disposition=attachment&contentType=pdf. As accessed 2010-08-15.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Methyl Parathion (Proposed). United States Environmental Protection Agency. Washington, DC. 2008l. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=0900006480963a57&disposition=attachment&contentType=pdf. As accessed 2010-08-12.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Methyl tertiary-butyl ether (Proposed). United States Environmental Protection Agency. Washington, DC. 2007a. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=09000064802a4985&disposition=attachment&contentType=pdf. As accessed 2010-08-15.

National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Methylchlorosilane (Proposed). United States Environmental Protection Agency. Washington, DC. 2005. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=090000648020c5f4&disposition=attachment&contentType=pdf. As accessed 2010-08-15.

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National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances: Acute Exposure Guideline Levels (AEGLs) for Silane (Proposed). United States Environmental Protection Agency. Washington, DC. 2006g. Available from URL: http://www.regulations.gov/search/Regs/contentStreamer?objectId=090000648020d523&disposition=attachment&contentType=pdf. As accessed 2010-08-16.

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SULFURYL FLUORIDE

Classification | Information to evaluate chemical incidents

Information to evaluate chemical incidents

Information to evaluate chemical incidents

Information to evaluate chemical incidents