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• <br /> STATE OF CALIFORNIA—HEALTH AND WELFARE AGENCY <br /> GEORGE DEUKMEJIAN, G,v , <br /> DEPARTMENT OF HEALTH SERVICES <br /> TOXIC SUBSTANCES CONTROL DIVISION <br /> NORTHERN CALIFORNIA SECTION �•� <br /> 4250 POWER INN ROAD <br /> SACRAMENTO,CA 95826 January 16, 1985 <br /> (916) 739-3145 Certified #P 537 442 407 <br /> Mr. Wayne E. Struchtemeyer Z941jZft1, <br /> Vice President, Production //� <br /> Marley Cooling Tower Company Gf <br /> 5800 Foxridge Drive `14 <br /> Mission, Kansas 662022790` <br /> E9<T,yP���V <br /> Dear Mr. Struchtemeyer: <br /> SOIL AND GROUNDWATER ASSESSMENT PLANS AND OFF-SITE SAMPLING PLAN, DECEMBER 20, <br /> 1984 <br /> We have reviewed the Soil and Groundwater Assessment Plans and the Off-Site <br /> Sampling Plan for Marley Cooling Tower Company's Stockton facility. The <br /> comments and conditions discussed with you on January 11 , 1985 are included in <br /> this letter. <br /> We approve of these plans with the following comments and conditions: <br /> O The soil analysis criteria defined in the Soil Assessment Plan on <br /> page 10, the last sentence of the second paragraph, are not <br /> acceptable to the Department. The last sentence should read, "Five - <br /> foot depth samples will be sequentially analyzed until a result is <br /> obtained within one standard deviation of the mean value of <br /> background levels for the potential contaminants (chromium, copper, <br /> arsenic).II <br /> o Rinsewater from cleaning the boring and sampling equipment must be <br /> handled as hazardous waste, if boring sample results indicate the <br /> material is hazardous. <br /> o During drilling activities, the personnel should wear protective <br /> clothing and respirators, as necessary. Compliance with CAL-OSHAIs <br /> Inorganic Arsenic Regulations, Section 5214 of Title 89, California <br /> Administrative Code, is necessary. <br /> O The Groundwater Assessment Plan refers to a shallow and a deep <br /> aquifer. Data presented in the plans, including prior well drilling <br /> records do not support this conclusion. The groundwater assessment <br /> plan should determine whether multiple aquifers exist and whether <br /> significant aquicludes or aquitards are present which act as a <br /> barrier to contaminant migration. <br /> o All new and existing monitoring wells should be sounded on at least a <br /> quarterly basis to assess seasonal fluctuations in local groundwater <br /> flow gradients. Historical data on water table elevations in the <br /> area should be provided to the Department, if available. <br />