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i <br /> NO%/ 19 '90 14:40 TELSTr,P D A_. I f it 805—D'27-3283 <br /> P. <br /> 2. <br /> NEXCO CORPORATION <br /> Environmental Exploration Company <br /> f <br /> 1 yf <br /> P <br /> November 19, 1990 <br /> ADDENDUM TO WORKPLAN: h <br /> i <br /> i, Frank C. Alegre Trucking, Inc. <br /> 802 Cluff Avenue <br /> Lodz, CA 95240 <br /> I <br /> ITEM 1: DATA ACQUISITION AND INVESTIGAT.T6N <br /> } The purpose of the data acquisition and. investigation phase is to <br /> retrieve soil samples by hollow-stem auger/'split-spoon sampler for l <br /> ` laboratory analysis. A total of three wells will be. drilled by <br /> ENEXCO on a radial pattern, to sample the four tank facility <br /> ,. . location for site assessment. These wells will be augered to A <br /> depth of approximately 50 feet, 35 feet below tank bottom, with <br /> sample retrievals at 5 foot intervals. A P.I.D. will be used to <br /> screen field samples at 5 foot intervals. k bottom sample shall be <br /> taken just above water table, at approximately the 45 foot level. <br /> A total of three samples will be taken from the bottom of each j <br /> well, and each sample '.gill be submitted to a' licensed laboratory in <br /> the State of California. <br /> i <br /> ITEM II: PFASE TWO, SITE ASSESSMENT REPORT <br /> The scope of this s stud and report will be focused on analyzing the f <br /> date collected in, relationship to the hydrogeologic environment; <br /> x historical water quality, wester use, actual and potential <br /> contamination and risk assessment our interpretation will be <br /> presented in detail to include discussions !(of the alternatives of <br /> both no action and remedial. action to lessen, alleviate, abate; <br /> correct, or clean-up the affect of hazardous materials released. ' <br /> bb/lp <br /> alegze <br /> I <br /> P.Q. So;<790, Rancho Cordova, CA 95741 a 978-852-7901 <br /> 5000 3:ifornia Ave,Suite 207, Bakersfield, CA 93309 ® 805-321-9400 <br /> I; Consulting. o Engineering Geotechnical', • Ground VVater <br />