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..we .1 <br /> San Joaquin County <br /> Environmental Health Department DIRECTOR <br /> Donna Heran,REHS <br /> 600 East Main Street <br /> Q' "r PROGRAM COORDINATORS <br /> 0. 1 Stockton, California 95202-3029 Robert McClellon, REHS <br /> _ Jeff Carruesco,REHS,RDI <br /> ' Cq'�iFO.a�j�p • Website: www.sjgov.org/ehd Kasey Foley, REHS <br /> Phone: (209) 468-3420 <br /> Fax: (209)464-0138 <br /> March 2, 2010 <br /> Mr. Michael Karvelot Adachi Investment LLC Etal <br /> Quik Stop Markets Incorporated 1991 Sun Mor Avenue <br /> 4567 Enterprise Street Mountain View, California 94040 <br /> Fremont, California 94538 <br /> Subject: Quik Stop Market No. 132 <br /> 3555 West Hammer Lane <br /> Stockton, California 95209 <br /> Dear Mr. Karvelot: <br /> On January 19, 2010, monitoring well MW-11 was installed with a screen between <br /> approximately twenty and twenty-five feet below surface grade to delineate the vertical <br /> extent of petroleum hydrocarbon contamination down-gradient of the source area at the <br /> above-referenced site. Please develop this well and assure that all five feet of screen are <br /> free of silt; then monitor and collect groundwater samples from MW-11 during four <br /> consecutive quarters and analyze the samples for total petroleum hydrocarbons quantified <br /> as gasoline (TPH-g); benzene, toluene, ethyl benzene, and total xylenes (BTEX); methyl <br /> tertiary-butyl ether (MTBE), ethyl tertiary-butyl ether (ETBE), tertiary-amyl methyl ether <br /> (TAME), tertiary butyl alcohol (TBA) and di-isopropyl ether (DIPE). <br /> If you have any questions, please contact Vicki McCartney at (209) 468-9852 or by email at <br /> vmccartney@sjcehd.com. <br /> Sincerely, <br /> Victoria L. McCartney, REHS Nuel C. Henderson, Jr., PG <br /> Senior Registered Environmental Health Specialist Engineering Geologist <br /> c: Mr. David A. Evans, PG, ATC Associates Inc., 6602 Owens Drive, Suite 100, <br /> Pleasanton, California 94588 <br /> Mr. James L.L. Barton, PG, California Regional Water Quality Control Board Central <br /> Valley Region, 11020 Sun Center Drive, Suite 200, Rancho Cordova, California 95670 <br />