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INFORMATION SHEET <br /> THE MARLEY COOLING TOWER COMPANY <br /> STOCKTON, SAN JOAQUIN COUNTY <br /> The Marley Cooling Tower Company (MCTC) owns a wood treating facility for the <br /> purpose of fabricating cooling towers in the East Stockton area. The primary <br /> chemicals used in their wood treatment process are chromium, copper, and <br /> arsenic. <br /> Presently, all rainfall runoff is collected in a stormwater pond in the Northern <br /> portion of the site. Rainfall runoff which contacts treated wood stored on-site <br /> typically becomes contaminated and is comingled with "clean" runoff before being <br /> collected in the stormwater pond. MCTC proposes to segregate the contaminated <br /> runoff and remove any contaminants through the use of an ion exchange unit prior <br /> to discharging the stormwater to the Stockton diverting canal . The discharge <br /> limits for Arsonic, copper, and chromium are 0.05 mg/l , 0.05 mg/1 , and 0.05 mg/l <br /> respectively. <br /> Allowing MCTC to discharge their stormwater off-site will enable them to drain <br /> the water presently in the pond and initiate the cleanup of any contamination <br /> associated with the pond. <br /> REF:1j1 <br />