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FORWARD <br />A DELTA CONTAIIIIR COMPANI <br />February 26, 1993 <br />Steve Rosenbaum <br />Engineering Geologist <br />California Regional Water Quality Control Board <br />Central Valley Region <br />3443 Routier Rd. <br />Sacramento, Ca <br />RECIIVED <br />MAR 3 1993 P.O. Box 63.36 <br />ENVIRONMEWAL <br />L t ckton, California 95206 <br />(209) 466-5192 <br />FAX (209) 465-0631 — <br />Re: Discharge of Leachate to the 'City ,of Stockton, Regional Wastewater.Cotdrol Facility <br />Dear Steve: <br />z <br />Early in January 1993 Forward's on site evaporation pond was nearing capacity (2° offxboard), so <br />Forward took action to secure an alternative disposal option. A proposal was madetothe, City of Stockton <br />Regional Wastewaster Control Facility (RWCF) to receive approximately 300,000 gallons of leachate. <br />RWCF responded by providing Forward with it's acceptance requirements. <br />Discrete and composite leachate samples were taken and submitted under chain of custody to Geo <br />Analytical Services of Modesto, Ca. Samples were analyzed for the following parameters: <br />TPH oil and grease EPA Method 608 TDS` %3 <br />1, <br />96 Hour Fish Bioassay EPA Method 624, TSS '� <br />TCLP for CAM 17 Metals . EPA Method 625 <br />Reactivity Corrosively Igigtability <br />�y< <br />Results from the analysis listed above were submitted to RWCF for review'. -Ba sed on the results RWCF <br />granted Forward permission to dispose of 300,000 gallons of leachate at it's facility. <br />Delivery of the 300,000 coupled with a limited amount of evaporation has reduced the liquid level in the <br />evaporation pond such that 4' feet of freeboard now exists. <br />If the wet weather persists Forward will reapply to RWCF for additional delivery capacity. <br />If you have any questions please telephone me at (209) 4664482. <br />Sincerely, <br />t-- L'.�""'�r <br />Eric D. Horton <br />Solid Waste Coordinator <br />Attachments <br />cc: Greg Oliveira <br />San Jaoquin County Public Health Services <br />Environmental Health Division <br />4" <br />Jrecycled paper <br />