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• • Levine-Fricke-Recon ' Section: F1-1 ' Date Initiated: September 23, 1996 Revision No.: 1 Date Revised:August 21, 1998 Page 4 of 4 , The OSHA PEL is listed as 100 ppm. The Cal/OSHA PEL is listed as 25 ppm. ' The TLV is listed as 50 ppm. Xylene ' Xylene is a clear, colorless liquid. It exhibits the general chlorinated hydrocarbon , central nervous system effects, olfactory (smell) changes, eye irritation, and pulmonary changes. It is a severe skin irritant. There are three isomers, ortho, meta, and para. Exposure to high concentrations of xylene vapor may result in eye and skin irritation. ' Eye irritation may occur at concentrations of about 200 ppm. The IP is listed as 8.56 eV for o- and m-xylene, and 8.44 eV for p-xylene. The OSHA PEL is listed as 100 ppm. ' The Cal/OSHA PEL is listed as 100 ppm. The TLV is listed as 100 ppm. , Vinyl Chloride Vinyl chloride is a colorless gas with a sweet odor. It is a known human carcinogen , that causes liver and blood tumors. It is a poison by inhalation. It is also a severe skin and eye irritant and can cause skin burns by rapid evaporation and consequent freezing. ' Chronic exposure has also shown liver injury. Short-term exposure to vinyl chloride can cause dizziness, light-headedness, nausea, dullness of visual and auditory responses, drowsiness, and unconsciousness. Irritation of the skin and eyes can also , occur. Skin contact with the liquid can cause frostbite. Vinyl chloride is classified by the U.S. EPA as a Group A human carcinogen. The IP for vinyl chloride is listed as 9.99 eV. , The OSHA PEL is listed as 1 ppm. The Cal/OSHA PEL is listed as 1 ppm. , The TLV is listed as 5 ppm. Note: Published exposure limits designate a skin notation that indicates dermal contact , can contribute to overall exposure. Page F14 RIFSWP-AppF-AttFI-ReV1-0411 I:SRL ,