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3.5.1 Diesel Fuel <br /> CHEMICAL NAME AND ROUTES OF PUBLISHED EXPOSURE LIMITS <br /> CASE# ENTRY CATEGORY I CONCENTRATION I SOURCE <br /> Diesel fuel Inhalation TLV-TWA 100 mg/m3 ACGIH <br /> 68476-31-3 Dermal 11 11 <br /> Hazard: Diesel fuel is a complex combination of petroleum hydrocarbons produced by the distillation <br /> of crude oil. It is a colorless to light amber colored liquid with a petroleum hydrocarbon-like odor <br /> detectable at low concentrations. Its vapors are heavier than air and it is insoluble in water. <br /> Because of its low volatility, harmful exposure to diesel fuel by inhalation is unlikely. Under <br /> conditions where exposure may occur, eye, nose, and throat irritation, headache, nausea, drowsiness, <br /> and dizziness are the only potential effects. This material is a skin irritant and repeated exposure to <br /> similarly refined and processed petroleum-bases materials has been shown to cause skin cancer in <br /> laboratory animals. There is no known evidence that this material causes cancer. <br /> Control (s): Extreme caution must be taken to prevent sources of ignition from coming into contact <br /> with diesel fuel vapors. A 50-foot no smoking and static/ignition-free zone (also referred to as an <br /> Exclusion Zone) must be maintained as further described herein. Employ dust suppression, as <br /> appropriate, and avoid contact with, and inhalation of,vapors and impacted soil/dust. <br /> 3.5.2 Title 22 Metals <br /> CHEMICAL NAME ROUTES OF PUBLISHED EXPOSURE LIMITS <br /> AND CASE# ENTRY CATEGORY CONCENTRATION SOURCE <br /> Title 22 Metals, Inhalation, ACGIH, <br /> Elemental, Inorganic Ingestion, Dermal TWA/PEL 0.0005 to 5 mg/m3 NIOSH, <br /> Compounds Contact OSHA, EPA <br /> Hazard: Title 22 Metals include elemental, organic and inorganic compound forms of antimony, <br /> arsenic, barium, beryllium, cadmium, chromium, cobalt, copper, lead, mercury, molybdenum, nickel, <br /> selenium, silver, thallium, vanadium and zinc. Hazardous levels of many of these metals and their <br /> numerous compounds can be found in many common contaminant sources including motor oil, <br /> manufacturing/processing wastes and mine tailings. In some areas they can be found in hazardous <br /> amounts in naturally geologic phenomena. <br /> Both the NIOSH and the ACGIH identify Title 22 metals and metallic compounds as potentially toxic <br /> to humans. If absorbed into your body at a certain dose, it is toxic. Acute exposures are usually <br /> through inhalation of dust into the lungs where it is absorbed into the blood, though some (like <br /> Project No.S8475-06-70 -13- April 25,2003 <br />