*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : SE7546500
CHEMICAL NAME           : Petroleum hydrocarbon mixture: high naphthenic
                          solvent
SUBSTANCE DEFINITION :
   Contains 29% paraffins and 69.9% naphthenes and 1.1% aromatics
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-
LAST UPDATED            : 199506
DATA ITEMS CITED        : 3
SYNONYMS/TRADE NAMES :
   * High naphthenic solvent
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 960 ppm/4H
TOXIC EFFECTS :
   Sense Organs and Special Senses (Olfaction) - effect, not otherwise
   specified
   Behavioral - tremor
   Behavioral - convulsions or effect on seizure threshold
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   41,251,1977
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1000 ppm/6H/13W-I
TOXIC EFFECTS :
   Kidney, Ureter, Bladder - changes in tubules (including acute renal failure,
   acute tubular necrosis)
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - other oxidoreductases
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   41,251,1977

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
   NIOSH REL TO REFINED PETR SOLV-air:TWA 350 mg/m3;CL 1800 mg/m3/15M
REFERENCE :
   NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of
   Health, Education, and Welfare, Reports and Memoranda.
   Volume(issue)/page/year: DHHS #92-100,1992

 
                            *** END OF RECORD ***