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j� aw <br /> I � l�llVlr[1nlll�lllili <br /> i � . I Sci�ncc <br /> I'rlgincerilig,lrlc. <br /> May 23, 1091 <br /> Project No. 6-90-5030 MAY 2 9 199 1 <br /> ENVIk0i\,10E-1FIA1. H-_AL'Hi <br /> PEP'NI!T/SEF 0CFS <br /> Mr. Harlin Knoll <br /> San Joaquin County, Public Health Services <br /> Environmental Health Division <br /> P.O. Box 2009 <br /> Stockton, CA 95201 <br /> SUBJECT: Documentation of May, 1991 Sampling at AT&T Microwave Station, 110 <br /> West Turner Road, Lodi. California <br /> Dear Mr. Knoll: <br /> Enclosed is a report of the results of sampling the ground water from monitoring wells at <br /> the subject site on May 6, 1991. This represents the second quarter of sampling at the site. <br /> H^ ESE recommends that the former tank excavation material be left in place. AT&T will <br /> complete one year of 1/4 sampling by collecting two additional sets of ground-water <br /> samples to confirm the initial results of sampling as formerly requested. Sampling will <br /> occur near the dates of August 6 and November 6, 1991. If analytical results remain below <br /> State of California Action Levels, ESE will request that no further action be required and <br /> that written site closure be granted from San Joaquin County and the Central Valley <br /> Regional Water Quality Control Board in regard to the former underground diesel tank at <br /> the subject facility. <br /> Please contact Neil Garrett at (415) 685-4053 with any questions or comments. <br /> ENVIRONMENTAL SCIENCE & ENGINEERING, INC. <br /> Neil R. Garrett <br /> Geologist <br /> NRG:rm <br /> Enclosure: "Documentation of May, 1991 Ground-Water Sampling" <br /> pc: Mr. Ron Tamoush, -AT&T <br /> T&T Comunications, Pleasanton <br /> VLA)Nel,,ns Aveit114$vile J Ct,llctwd,C:1 1+.1520 l'hon,e(11;) <br /> LIN W 15) <br /> it <br />