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. 3,000 gallons in volume No surface expression of these tanks was observed <br /> during the site reconnaissance One of the tanks is reportedly located outside <br /> of the production area, immediately west of the plant building The other <br /> tank is reportedly located in the tomato flume area These tanks were <br /> reportedly taken out of service in the 1960s and were subsequently filled with <br /> sand <br /> 4. Hazards of Known or Expected Chemicals of Concern <br /> Based on previous data collected from soil investigations at the site associated <br /> with UST removals, and the contents of the USTs and ASTs which will be <br /> investigated for this workplan, the suspected chemical hazards of concern at <br /> the Heinz Tracy site include unidentified VOCs, and gasoline These <br /> materials may exist in the surface soil and/or as chemicals of concern in <br /> subsurface soil and water <br /> Volatile Organic Compounds Most VOCs, except those known to be <br /> carcinogenic, exhibit similar hazard effects in humans Effects on the <br /> central nervous and upper respiratory systems as well as skin irritation <br /> predominate Therefore, although a summary of the hazards of the <br /> identified VOCs are listed separately below, additive effects of the mixture <br /> will be taken into consideration when determining established action <br /> levels <br /> 12-dichloroethene 12-DCE . This compound, due to its chemical <br /> similarity to 1,1,-DCE, is a suspect human carcinogen In high <br /> concentrations, it has produced liver and kidney injury in experimental <br /> animals The current OSHA PEL is listed as 200 ppm <br /> Trichloroethylene (TCE). TCE is a mildly toxic VOC that is also an <br /> experimental carcinogen, tumorigen and teratogen It can cause eye <br /> effects, hallucinations and distorted perceptions when inhaled TCE is an <br /> eye and severe skin irritant Inhalation can cause narcosis, headache and <br /> drowsiness Chronic exposure can cause Iiver and other organ damage <br /> The current OSHA PEL is listed as 25 ppm as an eight hour TWA <br /> Acetone. Acetone is a skin and severe eye irritant By inhalation, nasal <br /> effects, eye irritation, respiratory system effects, nausea and vomiting, and <br /> muscle weakness have been reported However, in industry, no injurious <br /> effects have been reported other than skin irritation resulting from its <br /> defatting action The current OSHA PEL is listed as 750 ppm <br /> 2 <br />