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4 • r t 12 ADDITIONAL HEALTII DATA ADDITIONAL.ILEALIII DATA COMMS NJ This product contains benzene The OSHA Benzene Standard (29 CFR 1910 1028) contains detailed requirements for training exposure monitorm& respiratory protection and medical surveillance triggered by the exposure level Refer to the OSHA Standard before using this product Repeated or prolonged breathing of benzene vapors has been associated with the development of chromosomal damage in experimental animals and various blood diseases in humans ranging from aplastic anemia to leukemia(a form of cancer) All of these diseases can be fatal No birth defects have been shown to occur in pregnant laboratory animals exposed to doses not toxic to the mother However, some evidence of fetal toxicity such as delayed physical development has been seen at such levels The available information on the effects of benzene on human pregnancies is inadequate but it has been cstablNhcd that bLn7f-nc can cross the human placenta This product contains n-hexane Prolonged or repeatcd skin contact or breathing of vapors may cause nerve damage characterized by progressive weakness and numbness in the arms and legs Recovery ranges from no recovery to oomplete recovery depending upon the severity of the nerve darnage This product contains toluene Toluene has been reported to decrease immunological responses in test animals It has also been reported that when young rats were exposed to 1000 ppm toluene for 14 hours daily,for two weeks, irreversible hearing loss was detected The same daily exposure to 700 ppm for as long as 16 weeks was without effect Since the level necessary to produce hearing loss is greater than 7 times the 1987-88 ACGIH TLV for toluene, worker exposures at or below 100 ppm is not expected to cause any adverse effect There are also reports that chronic abusers(glue sniffers, solvent huffers)of solvents containing toluene have sufferEd liver kidney and brain damage Scientific studies on toluene { have failed to demonstrate birth detected in rats and mice However toluene has been shown to cause delayed growth and extra ribs in the offspring of rats and mice at inhaled doses(266 399 ppm)that were non-toxic to the mother Toluene has not conclusively been shown to cause adverse reproductive effLcts in humans . This product contains xylene a chemical that has been reported to cause developmental toxicity in rats and mice exposed by inhalation during pregnancy 'Me effects notal consisted of delayed development and minor skeletal variations additionally when pregnant mice werL exposed by ingestion to a icvcl that killed nearly on-third of the test group,lethality (resorptions) and malformations (primarily cleft palate) occurred Malformations have not been reported following inhalation exposure Because of the very high levels of exposure used in these studies,we do not believe that their results imply an increased risk of reproductive toxicity to workers exposed to xylene Ievels at or below the exposure standard Xylene has given negative results in several mutagen testing assays including the Ames assay in a cancer study sponsored by the National Toxicology Program(NTP) technical grade xylene gave no evidence of carcinogenicity In rats or mice dosed daily for two years Whole gasoline exhaust was reviewed by the International Agency for research on Cancer (IARC) in their Monograph Volume 46(1989) Evidence for causing cancer was considered inadequate in animals and inadequate in humans IARC placed this material in Category 2B, considering it possibly carcinogenic to humans 00014000001600000640600610001tMMri/000Ma+01t401N•0 tt Vt4.4 ....4010006001••64600••t4/•6/4.666.001tt♦6666.66.61664600♦titN6666tit• The above tnforrivWon Ls ted an the data of vA ch we are aware and is believed to be correct as of the date hereof Since the information contained herein may be applied under conditions beyond our control and with which we may be unfamiliar and since data made available subsequent to the date hereof may suggest modification of the information we do not assume any responsibility for the results of its use This information is furnished upon condition that the person receiving it shall make his own determination of the suitability of the material for his particular purpose Material Safety Data Sheet - Chevron Unleaded Ca%olinc Page 7