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JohrW. Cummings & ASsoVates 4--e) <br /> Environmental Consultants <br /> Ph.(510)505-0722 ` P.O. Box 2847 <br /> Fax(510)7913306 ;' ''' <br /> mont, CA 94538.2847 <br /> File No June il,0 - <br /> 12.03 ° ' 1<, <br /> 1998 �1 23 <br /> Edward P. Smith, CFO <br /> PIEDMONT LUMBER <br /> 395 Taylor Blvd. , Suite 225 <br /> Pleasant Hill, CA 94523 <br /> t Quarterly Monitoring <br /> 7777 W rleve ttr-Street -- <br /> Tracy CA 94576 - <br /> Site Code 506243 <br /> Dear Mr. Smith: <br /> The next quarterly sampling event, as required by the San Joaquin <br /> County Public Health Services, Environmental Health Division <br /> (SJCEHD) , is due at the later part of this month. John P. <br /> Cummings and Associates (JPCA) is pleased to forward to you this <br /> proposed work for the 3rd quarterly well sampling for the real <br /> property at 7777 W. Eleventh Street, Tracy CA 94576. <br /> The proposed workplan, for this quarterly monitoring will require <br /> six tasks identified below. <br /> Task 1 <br /> JPCA will measure the groundwater depth in the four monitoring <br /> wells with an electronic probe prior to purging. <br /> Tas <br /> The four monitoring wells will be purged prior to the collection <br /> of groundwater samples and the collected purged groundwater will <br /> be put in 55-gallon drums labeled awaiting analysis. <br /> Task 3 <br /> Four groundwater samples, one from each well, will be collected <br /> by a clean dedicated bailer, placed in several 40 ml WAS with <br /> Teflon septa, labeled, held in a cooled (4 Degrees C) ice chest <br /> and transported to a State Certified Laboratory, under COC <br /> documentation, for analyses. <br /> 1 <br />