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DELPTE GEa"fECHNI_CAL.. <br /> SUPPORT SERVICES <br /> 10624 OLIVE AVENUE, &Mib E; , "95 6.4 <br /> OFFICE#(209)847.87571 FAX 0 M9)847-1744 <br /> i <br /> CA CLASS"A" LIC.#657366 <br /> MEMO ■ JAN 2 9 1999 <br /> To: JEFF WONG From: �ON LIGHT / DEL-TECH <br /> SAN JOAQUIN PUBLIC HEALTH <br /> Fam '-(209)468-343.3 Pages: <br /> Phone: (209)468-=5 hate: 91119/99 <br /> Re: RESPONSE TO LEITER DATED Site: ED PETERS TRUCKING, MANTECA,CA- <br /> JAN.04, 1999 <br /> ❑ Urgent X For Review ❑Plemis Comment ❑ ease Reply ❑Please DESTROY <br /> s Comments: MR.WONG, <br /> IN RESPONSE TO YOUR LETTER DATED JAN.a 1999,1 HAV TALKED TO MY ASSOCIATE RAY KABLANOW <br /> AND WE HAVE THE FOLLOWING RESPONSE: <br /> 1. AS A CONTINGENCY,WHILE COMPLETING THE SOIL BORING TASKS OTHER IN THE VERTICAL <br /> MIGRATION AREA(WITHIN THE BOUNDARIES OF SHE PREVIOUS UST EXCAVATION)OR IN THE <br /> PROPOSED PERIMETER SOIL BORINGS. IF FIELD OBSERVATIONS INDICATE CONTAMINATION, <br /> THE ON SIGHT FIELD GEOLOGIST IN CHARGE OF THIS INVESTIGATION WILL DETERMINE IF IT <br /> 1S WARRANTED TO CONVERT THIS SOIL BORI TO A OBSERVATION MONITORING WELL. <br /> IF A MONITORING WELL IS NECESSARY YOU OR YOUR DEPARTMENT WILL BE NOTIFIED <br /> IMMEDIATELY WHILE ON SIGHT. THE WELL WIII.L BE INSTALLED ONLY AFTER RECEIVING <br /> APPROVAL FROM THE SAN JOAQUIN PUBLIC H�ALTH DEPARTMENT. THE INSTALLATION <br /> ENGINEERING SPECIFICATIONS FOR THE MONITORING WELL WOULD BE COMPLETED UNDER <br /> THE INDUSTRY STANDARDS FOR NEW MONITORING WELLS. THE EXACT SCREENED <br /> INTERVAL, ECT..WOULD BE DETERMINED IN TH E FIELD BY THE PROJECT GEOLOGIST. <br /> 2. ONCE AGAIN BASED ON FIELD OBSERVATIONS, AIL SOIL CUTTINGS GENERATED DURING THE <br /> DRILLING TASKS WILL BE MONITORED FOR INDICATIONS OF CONTAMINATION,VIA STAINING, <br /> ODOR OR VISUAL CONFIRMATION. CUTTINGS THAT APPEAR CLEAN WILL BE PLACED ON 6- <br /> Confidential Pagel 01/19(99 <br /> FAX-96'BEADVISM THEIlGURMATIINCCNrADIEDINTMFAGEIS ANDA)RCOr1 MeelALANDISPnENDEDPORTHEUSESOFTHE <br /> INDIVIDUAT.ORCCBeANYNAMMBELOWCNLY.IFYOUARENOTTEIEDifFNDEO YOUAREEMMYN=IEDTHATANYOMENM'IAn(24, <br /> DISTRIBiMON OR COPYING OF THIS CC% ALINICAMN IS STRICTLY PROF EMEI) LF YOU HAVE REC(ENM THIS FACE IN ERROR,OR IF ANY <br /> PRCBTFM HAS OCCURRID WITHTHE 1RAAN MACK PLEASE NOTIFY DEE TECH T 9-Y BYTETEPRONE OR FAX <br />