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This product contains benzene. The OSHA Benzene Standard (29 CFR 1-91111, 1.13211Y carlta ins dotal I ed-requlrem x"Eur--e— monitoring, 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 leukenla---(_a__fnrm_ 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 established that benzene can cross the human placenta_ This product contains n--hexane. Prolonged or repeated skin contact or breathing of vapors may cause nerve damage characterized by progressive weakness and numbness in the arms and Iegs. Recovery ranges from no recovery to complete recoverg depending upon the severity of the nerve damage . . Revision Number: 16 Revision Date: 02/02/93 MSDS Number: 808372 NDA - No Data Available NA - Not Applicable CHEVRON Unleaded Gasoline Page to of i 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 1886 ppm toluene for 14 hours daily. for two creeks, irreversible hearing loss was detected_ The same daily exposure to 780 ppm for as long as 16 weeks was without effect. Since the level necessary to produce hearing loss is greater than 7 times the ACGIH TLV-TWA for toluene , worker exposures at or below 166 ppm is not expected to cause any adverse effects. There are also reports that chronic solvent abusers (glue sniffers, solvent huffers) who deliberately inhale high concentrations (several thousand ppm) of toluene for prolonged periods Cup to ten hours/day) have suffered liver, kidney and brain damage_ Toluene may also cause mental and/or growth retardation in the children of fewale solvent abusers who directly Inhale toluene when they are pregstast. ;LL Toluene caused growth retardation in rats when administered at dissias that were toxic to the Mothers C1580 ppm) . Concentrations of up to 50138 ppm did not cause birth defects. There were no effects in the offspring at doses that did not intoxicate the pregnant rats. The exposure level at which no effects were seen (No Observed Effect Level , NOEL) is 750 ppm- We recommend that the precautions outlined in this MSDS be followed to keep toluene concentrations below the recommended exposure standards. This product contains xylene, a chemical that has been reports& to- cause developmental toxicity in rats and mice exposed by inhalation during pregnancy. The effects noted consisted of delayed development and minor skeletal variations; additionally, when pregnant mice were exposed bg Ingestion to a level that killed nearly one-third of the test 0,tUp, lethality (resorption=) and nalforwations (primarily cleft palatal occurred. Malformations have not been reported following inhalation exposure. Because of the veru high levels of exposure used in. tbeste h ✓ Wil} 1 '-' t ` 'Tk'<•r' _ .r M'�,�Y y� ''r .:.e`_.�•+s-��- A +► KiL 4] i.1F A'?! �`...e. `]ham fs. _ ,� .,�a�r Edi••�� f� ��