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HE55 <br /> MATERIAL SAFETY DATA SHEET <br /> Gasoline, All Grades MSDS No. 9950 <br /> B. EXPOSURE CONTROLS and PERSONAL PROTECTION <br /> EXPOSURE LIMITS <br /> Component(CAS No.) Exposure Limits <br /> Source TWA STEL Note <br /> (ppm) (ppm) <br /> ._Gasoline (86290-81-5)__ ___ ___ ___ _______ACGIH _ 300_____500___ _ A3 <br /> ________ _________ ________________ <br /> Benzene (71-43-2) OSHA 1 5 Carcinogen <br /> ACGIH 0.5 2.5 At,skin <br /> _n_Butane_(106.97.8)........ ACGIH 1000 — Aliphatic Hydrocarbon Gases_Alkane_(C1_C4) _ <br /> Ethyl Alcohol(ethanol) (64-17-5) OSHA 1000 — <br /> _ ACG- <br /> ---- ---- <br /> Ethyl benzene (100-41-4) OSHA 100 — <br /> ACGIH__ 100_____125_____A3 <br /> n-Hexane(110-54-3) OSHA 500 — <br /> ACGIH 50 Skin _ <br /> Methyl_tertiary butyl ether[MTBE] (1634044) ACGIH___ 50_____ ___ A3________ <br /> Tertiary_amyl methyl ether_[fAMEI (994 OS-8) ______ ____None established _._______ <br /> ___ _-------------- <br /> Toluene (108-88-3) OSHA 200 Ceiling: 300 ppm;Peak:500 ppm(10 min.) <br /> _ACGIH_ _ 20 __ A4 <br /> ._1,2,4-Tdmethylbenzene_(95-63.6)_...--_.____._ACGIH___ 25 ___ ________________________________________________._____ <br /> Xylene,mixed isomers (1330-20-7) OSHA 100 — <br /> ACGIH 100 150 A4 <br /> ENGINEERING CONTROLS <br /> Use adequate ventilation to keep vapor concentrations of this product below occupational exposure and <br /> flammability limits, particularly in confined spaces. <br /> EYE/FACE PROTECTION <br /> Safety glasses or goggles are recommended where there is a possibility of splashing or spraying. <br /> SKIN PROTECTION <br /> Gloves constructed of nitrile or neoprene are recommended. Chemical protective clothing such as that <br /> made of of E.I. DuPont Tychem®, products or equivalent is recommended based on degree of exposure. <br /> Note: The resistance of specific material may vary from product to product as well as with degree of <br /> exposure. Consult manufacturer specifications for further information. <br /> RESPIRATORY PROTECTION <br /> A NIOSH-approved air-purifying respirator with organic vapor cartridges or canister may be permissible <br /> under certain circumstances where airborne concentrations are or may be expected to exceed exposure <br /> limits or for odor or irritation. Protection provided by air-purifying respirators is limited. Refer to OSHA 29 <br /> CFR 1910.134, NIOSH Respirator Decision Logic, and the manufacturer for additional guidance on <br /> respiratory protection selection and limitations. <br /> Use a positive pressure, air-supplied respirator if there is a potential for uncontrolled release, exposure <br /> levels are not known, in oxygen-deficient atmospheres, or any other circumstance where an air-purifying <br /> respirator may not provide adequate protection. <br /> 9. PHYSICAL and CHEMICAL PROPERTIES <br /> APPEARANCE <br /> A translucent, straw-colored or light yellow liquid <br /> Revision Date: 09/25/2007 Page 5 of 9 <br />