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a Y) � • <br /> Working To Restore Nature <br /> 1710 Main StreetMarch 3, 1993 <br /> Escalon, CA 95320 HUI: VEL) <br /> Phone (209) 838-3507 MAR 4 1993 <br /> FAX (209) 838-3509 ENVIRONMENTAL HEALTH <br /> Mr Harlin Knoll PERMIT/SERVICES <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> P O Box 2009 <br /> Stockton, CA 95201 <br /> RE BJJ Trucking, 2431 East Mariposa Rd , Stockton, CA <br /> Dear Mr Knoll <br /> RESNA Industries is writing to present the results of monitoring and sampling of monitoring well MW 1 <br /> at the above referenced site <br /> On January 28, 1993 RESNA Industries (RESNA), on behalf of our client, conducted groundwater <br /> monitoring of MW 1 During monitoring the depth to water and depth to bottom were measured Water <br /> levels have dropped 4 91 feet since last measured on January 24, 1991 (DTW 1/91 = 70 35, DTW 1193 <br /> . = 75 26) <br /> Subsequent to purging, a water sample was collected for analysis for benzene, toluene, ethylbenzene, <br /> xylenes (BTEX), and total petroleum hydrocarbons as gasoline (TPHG) by EPA methods 8020 and 8015 <br /> respectively Analysis was conducted by RESNA Environmental Laboratory, certificate #1211, in <br /> Fremont, CA Laboratory analysis reported 0 8 ppb (ogle) benzene, 7 6 ppb (,Uglf) toluene, 2 3 ppb <br /> (ogle) ethylbenzene, 12 pph (juglf) xylenes and 400 ppb (yg/f) total petroleum hydrocarbons as gasoline <br /> (TPHG) Analytical data is included in Table I <br /> If you have any questions or concerns please .all me at (209) 838-3507 <br /> Respectfully, <br /> RESNA Industries Inc <br /> c4zQ- c <br /> Lois Frantz <br /> Prod t Geologist <br /> Gregory P Stahl <br /> CA Registered Geologist No 5023 <br /> PC Nick Kosta, BJJ Company <br /> Beth Thayer, CRWQCB <br /> Attachments Monitoring Data, Laboratory Data Sheets, and Chain-of-Custody <br /> I TR21293 rNL <br />