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A7aqua selene � <br /> A mr- r --7 - ff LznyjjjLwLwr5 <br /> MAR 2 9 2002 <br /> ENVIR0,%14E1VT HEALTH <br /> March 26, 2002 <br /> PER N]IT/SERVICES <br /> Ms Zoe Haworth <br /> 24550 S Blown Road <br /> Manteca, CA 95337 <br /> SUBJECT REPORT OF QUARTERLY OPERATION & MAINTENANCE <br /> OF REMEDIATION SYSTEM, HAWORTH PROPERTY <br /> 17950 AIRPORT WAY, MANTECA, CA <br /> In i efei ence to. <br /> Frank's One Stop <br /> 2072 NN est Yosemite Avenue <br /> Manteca California <br /> Dear Ms Haworth <br /> On Febi uai y 27 2002, Aqua Science Engineer s, Inc (ASE) arrived at the <br /> subject site to peifoim routine quarterly opeiation and maintenance <br /> (O&M) activities in relation to the domestic well remediation system <br /> opci ating at the site <br /> The domestic well remediation system consists of a residential ait sti ippei <br /> followed by two 250-pound granulated activated carbon (GAC) canisters <br /> plumbed in seises Groundwater is pumped from the well through the <br /> holding tank into the air stiippei for initial treatment, Then into the <br /> carbon canisteis foi a final polish prior to entry into the houses on the <br /> pi Opel ty <br /> On Febivaiy 27 2002 ASE collected foul v atei Samples as follows <br /> Sample Location Sample Id. <br /> Directly fiom the well pre-tieatinent 17950-IIF-02-27-02 <br /> Attei tieatment by the air strippei 17950-AS-02-27-02 <br /> Aftet tieatment by the 1st catbon canister 17950-GAC1 -02-27-02 <br /> After treatment by the 2nd carbon canister 17950-6 AC2-02-27-02 <br /> The samples were placed within an ice chest containing wet ice while <br /> . ti ansported to Kiff Analytical of Davis, California (FLAP# 2236) under <br /> chain of custody procedures The samples were anal} zed foi total <br /> petiolcum hydrocarbons as gasoline (TPH-G), benzene, toluene <br /> 208 VV F1 -- if=, Danville Coliform+n 94.52c C%5 820,9391 • Fax 92-- -374853 <br />