Laserfiche WebLink
01s _a <br /> �rrATERW0RK CORP. _ <br /> Environmental Solutions <br /> A RFSNA Company Through Applied Science, <br /> Engineering&Construction <br /> 1710 Main Street <br /> Escalon, CA 95320 <br /> Phone: (209) 838-3507 <br /> Fax: (209) 838-3509 <br /> April 2b, 149] LTH <br /> Mr. Harlan Knoll <br /> San Joaquin County Public Health Services <br /> Environmental Hyalth Division <br /> P.O. Box 2009 <br /> Stockton, CA 95201 <br /> Re: Knowles Property, 1140 West Hammer Lane, <br /> Stockton, CA 95207 <br /> Dear Mr. Knoll: the recent <br /> es <br /> Txisu letter trtherformer Knowles Gas Station.vitiThese(March <br /> activities <br /> updates <br /> (, g ) MW4, MW5, <br /> ,.. j included measuring depth to water in wells MW1, NiW2+ MW3, <br /> MWb, MW7, and MWB; and collecting groundwater samples for analysis <br /> from all monitoring wells on site. The work being done is part of <br /> an on-going subsurface investigation of hydrocarbon contamination. <br /> SITE HISTORY <br /> Groundwater Technology, Inc. {GTI} conducted the initial <br /> investigative work. GTI ring wells and eleven <br /> drilled seven monito <br /> soil borings between September 1987 and January 1989. <br /> s to <br /> soil b <br /> In October 1989, WaterWothee site stratigraphy drilled four additional and extent rof gs it <br /> more accurately assess th <br /> contamination. <br /> In January 1991, 3,000 cubic yards of contaminated soil was <br /> clean <br /> excavated, stockpiled on-site andtheno the San 1untl JoaquindeemedCounty <br /> by analytical analysis, under pe <br /> Air Pollution District. <br /> On January 25, 1991, n oto worX the installed <br /> contaminationdesource d and monitoring <br /> well Mw8 downgrade <br /> Pacific Avenue (Figure 2) . <br /> i <br /> �' KPLRD126.W? - - - - <br />