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� i t <br />NATIO-NAL ADVERTISING COMPANY— ADDITIONAL SUBSURFACE INVESTIGATION - HEALTH AND SAFETYPLAN <br />prickling, tingling, or creeping on the skin that has no objective cause. Exposure 'to higher concentrations <br />' may cause headache, nausea, dizziness, dilated pupils, and euphoria. In severe cases, exposure to toluene <br />may cause unconsciousness and death. The liquid is irritating to the eyes and the's-kin. Contact with the <br />eyes may cause transient corneal damage, conjunctival irritation, and bunts if not promptly removed. <br />Repeated and/or prolonged contact with the skin -may cause drying .and cracking. Toluene may be <br />absorbed through the skin in toxic amounts. Ingestion causes irritation of the gastrointestinal tract and <br />may cause effects resembling those from inhalation of the vapor. Chronic overexposure to toluene may <br />cause irreversible liver and kidney injury. Both the OSHA PEL and the ACGIH TLV .are 50 ppm. <br />Ethyl Benzene <br />Ethyl benzene vapor is severely irritating to the eyes and to the mucous membranes of the respiratory <br />system. Sustained inhalation of excessive levels can cause depression of the CNS characterized! by <br />dizziness, headache, narcosis, and coma. Skin contact with liquid ethyl benzene causes irritation; <br />dermatitis and defatting can also develop. The acute oral toxicity of ethyl benzene is low; however, <br />ingestion of it poses a serious aspiration hazard. Aspirating even a small amount into the lungs can result <br />in extensive edema (lungs filled with fluid) and hemorrhaging of the lung tissue. No systemic effects are <br />suspected at the levels that produce pronounced, unignorable, disagreeable .skin and eye irritation. The <br />established PEL is set well below this intolerable level. The OSHA PEL and the ACGIH TLV are both <br />I00 ppm. <br />Xylene <br />Liquid xylene is a skin:irritant that causes itching, dryness, and defatting. Prolonged contact may cause <br />blistering. Inhaling xylenes. can depress the CNS; ingesting xylenes can result in gastrointestinal <br />disturbance and possibly hematemesis (vomiting blood). Effects on the eyes, kidneys, liver, lungs, -and <br />the CNS are also reported. Both the OSHA PEL and the ACGIH TLV are 100 ppm; <br />hslprojsuplcominachasp.doc 5-5 02/09/98 <br />