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-a� <br /> BLAINE 985 TIMOTHY DRIVE <br /> SAN JOSE, CA 95133 <br /> (408) 995-5535 <br /> TECH SERVICES INC FAX (408) 293-8773 <br /> March 24, 1995 <br /> Brett Hunter <br /> 59ml ZO <br /> Chevron U S A Products Company <br /> P O Box 5004 APP <br /> San Ramon, CA 94583-0804 <br /> ENVIRONMENTAL EALTN <br /> PERMIT/SERVICES <br /> 1st Quarter 1995 Monitoring at 9-6465 <br /> z K „ ,- I <br /> First Qparter 1995 Groundwater Monitoring at <br /> Chevron Service Station Number 9-6465 <br /> 560$ North Pershing Avenue <br /> Stockton, to <br /> Monitoring Performed on March 8, 1995 <br /> Groundwater Sampling Report 950308-K-2 <br /> This report covers the routine quarterly monrtonng of groundwater wells at this Chevron facility <br /> Blaine Tech Services, Inc 's work at the site includes inspection, gauging, evacuation, <br /> purgewater containment, sample collection and sample handling in accordance with standard <br /> procedures that conform to Regional Water,Quality Control Board requirements. <br /> Routine field data collection includes depth to watee, total`v �&-reoll;lthitk4st of akn�,,sop=te <br /> immiscible layer, wpter column volume,cAlcdla�t Vbttitne of ia'ibli +q'it wgliiilrt�e purge, <br /> elapsed evacuat«Ion time, total volume rtf1r�v t t� o d; nd tad l liter pWftrdeter <br /> instrument readings, `48aimple mat�iialAi;,poli , ntained,`9tvre&and,ftww o d,to the „ <br /> laboratory in cottfortxtaiace �v�t � ,ltotat rls,Purgewateat i% 1ik0.wiz*; 1kd6d am, <br /> transported to ghpvrgr's Ricb1no*ftfineq, r disposal., <br /> Basic field rnformation'is presont�d alongside analytical value exdetpted fromth6; <br /> report in the cumpX4tive table of WELL I)A�'�& AND ANAL , TICAL,UMMU.- wfull 1W 'ly <br /> analytical report for the rest recent sttmples is located 1q the'Annlytit 0l tfi c, The table <br /> also contains new groundwater elevWon callcttMons taken from the computer ,� gradient <br /> map which ip�loca,ted in the Professional Ettgineerirtg Appendix. ' <br /> . x <br /> Blaine Tech Services,Inc Report No 950308-K-2 1 St Q-1995 Manikrut at€itt'9vm 9-6455 <br /> 4 <br />