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Lindane																				Related Pages
										May 1994
Immediately Dangerous to Life or Health Concentrations (IDLH)
**CAS number:** 58–89–9
**NIOSH REL:** 0.5 mg/m3 TWA [skin]
**Current OSHA PEL:** 0.5 mg/m3 TWA [skin]
**1989 OSHA PEL:** Same as current PEL
**1993-1994 ACGIH TLV:** 0.5 mg/m3 TWA [skin]
**Description of substance:** White to yellow, crystalline powder with a slight, musty odor.
**LEL**:. Noncombustible Solid
**Original (SCP) IDLH:** 1,000 mg/m3
**Basis for original (SCP) IDLH:** No useful data on acute inhalation toxicity are available on which to base the IDLH for lindane. The chosen IDLH, therefore, has been based on the child oral TDLO of 180 mg/kg [CDC 1956 cited by NIOSH 1976] and the statement by Negherbon [1959] that the dangerous acute dose for man has been reported as 7 to 15 grams [CDC 1956].
**Short-term exposure guidelines:** None developed
**ACUTE TOXICITY DATA:**
**Lethal dose data:**

**Species**
    **Reference**
    **Route**
    **LD50** (mg/kg)
    **LDLo** (mg/kg)
    **Adjusted LD**
    **Derived value**Rabbit
    Desi et al. 1978
    oral
    60
    -----
    420 mg/m3
    42 mg/m3Rat
    Kenaga & Morgan 1978
    oral
    76
    -----
    532 mg/m3
    53 mg/m3Mouse
    Sun 1972
    oral
    44
    -----
    308 mg/m3
    31 mg/m3Hamster
    Truhaut et al. 1974
    oral
    360
    -----
    2,520 mg/m3
    252 mg/m3G. pig
    Woodard & Hagan 1947
    oral
    127
    -----
    889 mg/m3
    89 mg/m3**Human data:** An oral dose of 150 mg/kg has been associated with grandmal seizures [Starr and Clifford 1972]. [Note: An oral dose of 150 mg/kg is equivalent to a 70-kg worker being exposed to 7,000 mg/m3 for 30 minutes, assuming a breathing rate of 50 liters per minute and 100% absorption.] It has also been stated that 7 to 15 grams is the dangerous acute dose [CDC 1956]. [Note: An oral dose of 7 to 15 grams is equivalent to a worker being exposed to 4,667 to 10,000 mg/m3 for 30 minutes, assuming a breathing rate of 50 liters per minute and 100% absorption.]
 
 **Revised IDLH:** 50 mg/m3**Basis for revised IDLH:** No inhalation toxicity data are available on which to base an IDLH for lindane. Therefore, the revised IDLH for lindane is 50 mg/m3 based on acute oral toxicity data in humans [Starr and Clifford 1972] and animals [Desi et al. 1978; Kenaga and Morgan 1978; Sun 1972; Woodard and Hagan 1947]. This may be a conservative value due to the lack of relevant acute inhalation toxicity data for workers.**REFERENCES:**
1. CDC [1956]. Clinical memoranda on economic poisons. Atlanta, GA: Communicable Disease Center, Bureau of State Services, Public Health Service, U.S. Department of Health, Education, and Welfare, Public Health Service Publication No. 476, pp. 29-33.
2. Desi I, Varga L, Farkas I [1978]. Studies on the immunosuppressive effect of organochlorine and organophosphoric pesticides in subacute experiments. J Hyg Epi Microb Immunol *22*(1):115-122.
3. Kenaga EE, Morgan RW [1978]. Commercial and experimental organic insecticides (1978 revision). Entomological Society of America Special Publication *78*-1:1-11.
4. Negherbon WO [1959]. Handbook of toxicology. Vol. III. Insecticides, a compendium. Wright-Patterson Air Force Base, OH: U.S. Air Force, Air Research and Development Command, Wright Air Development Center, Aero Medical Laboratory, WADC Technical Report 55-16, p. 437.
5. NIOSH [1976]. GV49000. Cyclohexane, 1,2,3,4,5,6-hexachloro-, gamma-isomer. In: Registry of toxic effects of chemical substances, 1976 ed. Cincinnati, OH: U.S. Department of Health, Education, and Welfare, Public Health Service, Center for Disease Control, National Institute for Occupational Safety and Health, DHEW (NIOSH) Publication No. 76-191, p. 369.
6. Starr HG Jr, Clifford NJ [1972]. Acute lindane intoxication. Arch Environ Health *25*:374-375
7. Sun Y-P [1972]. Correlation of toxicity of insecticides to the house fly and to the mouse. J Econ Entomol *65*:632-635.
8. Truhaut R, Gak J-C, Graillot C [1974]. Recherches sur les modalités et les mécanismes d’action toxique des insecticides organochlorés. I. Étude comparative des effets de toxicité aiguë chez le hamster et chez le rat. J Eur Toxicol *7*(3):159-166 (in French).
9. Woodard G, Hagan EC [1947]. Toxicological studies on the isomers and mixtures of isomers of benzene hexachloride. Fed Proc *6*:386-388.

			
							
								Page last reviewed:  December 4, 2014						Content
							source: 	National Institute for Occupational Safety and Health NIOSH Publications & Products
Immediately Dangerous To Life or Health (IDLH) Values
Table of IDLH Values
Criteria for Determining IDLH Values
Historical Documentation
Original (SCP) Values
Abbreviations for IDLH Documentation
Abbreviations for Journal Titles Follow NIOSH Facebook
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