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Safety and Health Plan <br />Proposed Distribution Center Stockton, California <br />February 18, 2022 Terracon Project No. NA227001 <br />7 <br />Health Hazard Permissible Exposure <br />Limit <br />Description <br />5 ppm OSHA 15 min <br />STEL <br />0.5 ppm OSHA Action <br />Level <br />immunosuppression. A relationship has been discovered <br />between benzene exposure and leukemia. Benzene is <br />regulated as an occupational carcinogen. Acute exposure may <br />cause dizziness, excitation, weakness, headache, giddiness, <br />breathlessness and chest constriction. <br />Toluene 20 ppm ACGIH TLV <br />(Skin Absorbable) <br />Toluene is an eye, skin and mucous membrane irritant and a <br />central nervous system depressant. Poisoning may affect the <br />liver and kidneys. Prolonged exposure may affect the heart and <br />blood. The ingestion of alcoholic beverages may enhance the <br />toxic effects of toluene. Symptoms of exposure include <br />respiratory tract irritation, headache, dizziness and eye <br />irritation. Toluene may be absorbed to the bloodstream via skin <br />contact. <br />Ethylbenzene 20 ppm ACGIH TLV Ethyl benzene is a skin, eye and mucous membrane irritant. It <br />is moderately toxic by ingestion and slightly toxic by skin <br />absorption. Ethyl benzene is a central nervous system <br />depressant. Poisoning may affect the liver. Symptoms of <br />exposure may include a sense of chest constriction and <br />nervous disorders. Skin contact may result in first and second <br />degree burns. The odor can be detected at 140 ppm and <br />irritation occurs at ~200 ppm. <br />Xylene 100 ppm OSHA PEL Xylene is a mild eye and mucous membrane irritant, primary <br />skin irritant and a central nervous system depressant. Ingestion <br />causes severe gastrointestinal upset and creates an aspiration <br />hazard. Chronic inhalation results in symptoms that resemble <br />acute poisoning, but are more severe systemically. <br />Tetrachloroethylene <br />(PCE) <br />25 ppm ACGIH TLV PCE is irritating to the respiratory tract, eyes, and kidneys, and <br />can cause impaired cognitive and motor function performance. <br />Absorption of PCE can cause long term health effects including <br />cancer and reproductive abnormalities. <br />Trichlorethylene <br />(TCE) <br />10 ppm ACGIH TLV TCE is irritating to the respiratory tract, eyes, and kidneys, and <br />can cause impaired cognitive and motor function performance. <br />Absorption of TCE can cause long term health effects including <br />cancer and reproductive abnormalities. <br />DDT 0.5 mg/m3 NIOSH REL <br />1.0 mg/m3 OSHA PEL <br />Following exposure to high doses, human symptoms can <br />include vomiting, tremors or shakiness, and seizures. <br />Laboratory animal studies show DDT exposure can affect the <br />liver and reproduction. DDT is a possible human carcinogen. <br />Arsenic 0.010 mg/m3 OSHA PEL Arsenic can be harmful to the eyes, skin, liver, kidneys, lungs, <br />and lymphatic system. Exposure to arsenic can also cause <br />cancer. Workers may be harmed from exposure to arsenic. <br />Lead 0.05 mg/m³ OSHA PEL Lead poising can happen if a person is exposed to very high <br />levels of lead over a short period of time and cause abdominal <br />pain, constipated, tired, headache, irritable, loss of appetite, <br />memory loss, pain or tingling in the hands and/or feet, and <br />weakness.