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July 14, 1994 <br /> WALLACE • KUHL <br /> fir ASSOCIATES INC, <br /> Ms. Kim Ward <br /> State Water Resources Control Board <br /> Division of Clean Water Program <br /> 2014 T Street <br /> P.O. Box 944212 <br /> Sacramento, California 94244-2120 <br /> SECONDARY CONTAINTAENT CUMPLIANCE <br /> SUMIDEN WIRE PRODUCTS <br /> Stockton, California <br /> WKA No. 2714.01 <br /> Dear Ms. Ward, <br /> Thank you for speaking with me on Thursday, July 14, 1994 to discuss <br /> secondary containment requirements. Your advice and knowledge of the <br /> subject matter was extremely helpful. I would like to recapitulate the <br /> highlights of our telephone conversation, in order to draw conclusions <br /> concerning the need for secondary containment at Sumiden Wire Products <br /> Geotechnical Engineering Corporation in Stockton, California. <br /> [sngmccnng Gca[ngy <br /> • The structure may be categorized as a sump, due to the <br /> finvironmenr3iCeimulnne removable top, and therefore may not require secondary <br /> containment as stated under Chapter 6.7 of the Health and <br /> Renledtarlun Servlce9 <br /> Safety Code, Section 25281, subsection (x)(1). <br /> Construction Inspection <br /> • Additionally, the substance within the tank may not be a <br /> bt.uerlali 7rsring <br /> hazardous substance due its dilute nature. The substance is a <br /> mixture of sulfuric acid and water and has a pH of <br /> approximately 5.0_ Furthermore, Sumiden Wire Products <br /> 3050 Industrial B1,d. Corporation is permitted by the City of Stockton's, Municipal <br /> WcsrSacr.:menrc, Utilities Department Regional Wastewater Control Facility, to <br /> CA 95691 discharge wastewater to the city sewer with a pH between 5 and <br /> Fax 916.372.2565 10 <br /> 916.372.1434 <br />