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SENT BY:EMCON 2-14-96 : 8:34AM : EMCON SACRAMENTO- 200 4683078:x# 2/ 7 <br /> i <br /> on <br /> 1433 Norm MCftt SOulevard•Sacramento.G 1943 a(916)928-=i Fax(916)928-3341 <br /> February 13, 1996 <br /> Project 20939-001.015 <br /> Gabriel Karam <br /> Department of Public Works <br /> Sart Joaquin County <br /> P.O.Box 1810 <br /> Stockton,California 95201 <br /> Re: Review and Co is Regarding the Tentative Waste Discharge Requirements for <br /> Harney Lane Landfill <br /> Dear Mr. Karam: <br /> Per your Mquest, EMCON has reviewed the Tentative Waste Discharge Rapumma <br /> (WDR) for Harney Lane Sanitary L-RdfIll issued bytheRegionalWater QWityControl <br /> Board.Central Vallev Region on January 27, 1996. Our comments are as follows: <br /> 1. Page 1,Item 1 <br /> The list of documents submitted by the discharger to the RWQCB does not <br /> include the'"Evaluation Monitoring Progrwn for Hamy Lane S <br /> (EMCON,October 1994). <br /> 2. Page 2,Site Description,Item 1 <br /> Sentences 5.6 and 7 are in error and should be revised, Beginning with"After <br /> resamPling for VOCs..:'ftough... "not the landfill."should be replaced with the <br /> following. <br /> The is of the fust quarter M4 sampling program.at the Harney Lane <br /> Sanitary Landfill showed that a voIatile organic compound,PCE,was detected <br /> in the groundwater ple-from well -2 at a con on of 0.8 <br /> microgram per liter(ugtI). For verification purposes,during the second <br /> quarter 1994,both a quarterly sample and a retest sample were collected from <br /> -2. The results of both sampiesverified tlee occurrence of PCE in well <br /> MW-2 at 0.5 and 0.7 ugtl respectively. An Evaluation Monitoring Pro <br /> gram <br /> (EMP)for Harney Lane Sanitary Landfdl was prepared and submitted as <br /> required by the California Code of Regulation,Title 23,Article 5,(Article 5) <br /> Section 3550.9 in November 1994 to the RW <br /> SAM*%WINW wma-I)OGMa L, <br />