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Ronnel																				Related Pages
										May 1994
Immediately Dangerous to Life or Health Concentrations (IDLH)
**CAS number:** 299–84–3
**NIOSH REL:** 10 mg/m3 TWA
**Current OSHA PEL:** 15 mg/m3 TWA
**1989 OSHA PEL:** 10 mg/m3 TWA
**1993-1994 ACGIH TLV:** 10 mg/m3 TWA
**Description of substance:** White to light-tan, crystalline solid.
**LEL**:. . Noncombustible Solid
**Original (SCP) IDLH:** 5,000 mg/m3
**Basis for original (SCP) IDLH:** No useful data on acute inhalation toxicity are available on which to base the IDLH for ronnel. The chosen IDLH, therefore, has been estimated from the statement by ACGIH [1971] that the dog oral LD50 is greater than 500 mg/kg.
**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**Mouse RabbitG. pigDogRat
    AAPCO 1966 AAPCO 1966AAPCO 1966Klimmer 1971Gig Sanit 1990
    oral oraloraloraloral
    2,000 4201,400500625
    ----- --------------------
    7,000 mg/m32,940 mg/m39,800 mg/m33,500 mg/m34,375 mg/m3
    700 mg/m3294 mg/m3980 mg/m3350 mg/m3438 mg/m3**Human data:** None relevant for use in determining the revised IDLH.
 
 **Revised IDLH:** 300 mg/m3**Basis for revised IDLH:** No inhalation toxicity data are available on which to base an IDLH for ronnel. Therefore, the revised IDLH for ronnel is 300 mg/m3 based on acute oral toxicity in animals [AAPCO 1966; Klimmer 1971]. This may be a conservative value due to the lack of relevant acute toxicity data for workers.**REFERENCES:**
1. AAPCO [1966]. Pesticide chemicals official compendium. Topeka, KS: Association of American Pesticide Control Officials, Inc., p. 965.
2. ACGIH [1971]. Ronnel. In: Documentation of the threshold limit values for substances in workroom air. 3rd ed. Cincinnati, OH: American Conference of Governmental Industrial Hygienists, p. 222.
3. Klimmer OR [1971]. Pflanzenschutz-und schaedlingsbekaempfungsmittel: Abriss einer Toxikologie und Therapie von Vergiftungen. 2nd ed. Hattingen, Germany: Hundt-Verlag, p. 26.
4. Gig Sanit [1990]. Long-term effects from transformation products of pesticides and surfactants; *45*(6):14-17 (in Russian).

			
							
								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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