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Mr. Kenneth Earnest <br /> Tune 27, 1994 <br /> . Page 2 <br /> xylenes (BTEX) and total petroleum hydrocarbons as gasoline (TPHg). Analytical results for <br /> samples collected on May 16 and May 31, 1994, indicated concentrations of TPHg to be 770 <br /> and 250 micrograms per liter (ugli), respectively. The concentration of dissolved benzene <br /> ranged from 240 µg/l on May 16, 1994 to 26 µg/l on May 31, 1994. Copies of the laboratory <br /> analytical reports and chain-of-custody forms are included in Enclosure A. <br /> AMV recommends you forward a copy of the report to: <br /> City of Stockton <br /> Municipal Utilities Department <br /> Regional Wastewater Control Facility <br /> 2500 Navy Drive <br /> Stockton, California 95206 <br /> Your transmittal letter should include the following clause: <br /> "I certify under penalty of law that this document and all attachments were prepared under my <br /> direction and supervision in accordance with a system designed to assure that qualified personnel <br /> properly gather and evaluate the information submitted. Based on my inquiry of the persons <br /> directly responsible for gathering the information, the information submitted is, to the best of <br /> my knowledge and belief, true, accurate, and complete. I am aware that there are significant <br /> penalties for submitting false information, including the possibility of fine and imprisonment for <br /> knowing violations." <br /> Sincerely, <br /> ACTON • MICKEUSON • van DAM, INC. <br /> 11111Zz�� = <br /> William Rocha, Jr. AJ es C.TTwiford <br /> Staff Engineer Project Engineer <br /> WGR:JCT:mjd <br /> Enclosures <br /> cc/enc: Mr. Michael J. Infurna, San Joaquin County Public Health Services <br /> ACTON • <br /> MICKELSON• �tioa.mi <br /> van DAM,INC. <br /> Consulting Scientists, Engineers,and Geologists <br />