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I <br /> I <br /> I <br /> i <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br />,I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> <br />Mr. Ramon Burton <br />July 12 1~85 <br />Page 5 <br /> <br />The concentrations found are not significant when compared to the MPCA <br />"Standards, Criteria, and Guidelines for Volatile Hydrocarbons, Phenolic <br />Compounds and Pesticides" August 15, 1983. Using a Threshold Effect <br />Level of 0.5 the concentrations of concern in a groundwater/drinking <br />water environment are: <br /> <br />Parameter <br /> <br />Shell Rinse Composite <br /> <br />TEL or lO-5 <br /> <br />I,letllylene Chloride, ug/1 <br />1,2-Dichloroethane, ug/1 <br />1,1,1-Trichloroethane, ug/1 <br />Toluene, ug/1 <br /> <br />3.9 1.9 <br />2.1 9.4 <br />l0 18,400 <br />4.2 14,300 <br /> <br />Tt~e Waltek, Inc. values reflect concentrations as the industrial <br />wastewater leaves the plant. These concentrations will be decreased as a <br />result of volatilization, dilution with domestic discharges, biological <br />degredation and absorbtion. <br /> <br />Taking into account the low volume of wastewater discharged by Waltek, <br />Inc. during the year, volatilation of the organics during transport from <br />the site to the drain field, the impact of dilution, absorption, and <br />bacterial degradation of these contaminants coming into contact with the <br />soil it does not appear that tills wastewater stream would have an adverse <br />impact on the soil or groundwater. <br /> <br />Now that all hazardous wastestreams at Waltek, Inc. nave beeD identified <br />PACE Laboratories, Inc. will initiate tile development of prepareness and <br />prevention plans, contingency plans, emergency procedures and personnel <br />training programs in order to comply witll the hazardous uaste regulations. <br /> <br />If you have any questions wi Lh regard to this report please feel free to <br />contact us at any time. <br /> <br />Yours tculy, <br /> <br />',~illiam A. O'Comlor, C.P.C. <br />Vice Presiden~ <br /> <br />~,~AO/mk <br /> <br /> <br />