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Site Specific Health, Safety and Environmental Plan <br /> 8 <br />3.3 Site Plan <br /> <br />4.0 Chemical Hazard Information <br />NOTE: For any chemicals brought on site by SLR or our Subcontractors be sure to gather Safety Data <br />Sheets (SDS) on the chemicals involved and have them either included in this HSE Plan or otherwise <br />available on site for personnel to reference. <br />4.1 Contaminants of Concern Information <br /> <br />Compound Physical/Chemical Characteristics <br />(Target Organs/ Route of Entry) <br />OEL <br />(STEL) <br />Odor <br />Threshold <br />LEL <br />(%) <br />IP <br />(eV) <br />Volatile Organic Compounds <br />Benzene (71-43-2) <br /> <br /> <br /> <br /> <br />1 ppm = 3.19 mg/m3 <br />Skin, eye, inhalation, and ingestion hazard. <br />Colorless liquid with an aromatic odor. Air <br />odor threshold 34-119 ppm. LEL: 1.2%, UEL: <br />7.8%. Prolonged skin contact with Benzene <br />or excessive inhalation of its vapor may <br />cause headache, weakness, loss of appetite, <br />and lassitude. A human carcinogen. <br />Extremely flammable, keep sources of <br />ignition away. Incompatible with fluorides, <br />0.5 ppm TWA; <br />(2.5 ppm) Skin <br /> <br />IDLH: 500 ppm <br />(CA) <br />61 ppm 1.2 9.25 <br />Formatted: Font color: Auto