Laserfiche WebLink
E <br /> -r 6 <br /> e <br /> r. . <br /> QUARTERLY GROI WDIVATER MONITORING PROGRAM ?REPORT <br /> FOURTH QUARTER 1991 <br /> 1,41 INTRODUCTION <br /> On behalf of San Joaquin County MJsquito Abatement District (SJCMAD), and in <br /> -- response to requests outlined in the June 7, 1991 letter to SSCMAD, ROY F. WESTON, <br /> INC. (WESTON) is submitting this quarterly monitoring report for the fourth quarter <br /> 1991. <br /> 2.0 GROUNDWATER MONITORING SUMI "Y <br /> T On December 5, 1991, WESTON conducted a monitoring program of the three <br /> groundwate-' monitoring wells at the SJCMAD Lodi facility (Figure 1). The monitoring <br /> program was to consist of two aspects: <br /> I. Field measurement of groundwater elevation, temperature, ph, and electrical <br /> conductivity. <br /> 2. Collection of groundwater samples for analysis of Total Petroleum Hydrocarbons <br /> as Gasoline (TPH-G) by EPA Method 8015 modified) an,: '�enzene, Toluene, <br /> Ethylbenzene, and Xylene (BTEX) by EPA Method 8020. <br /> On this monitoring occasion, only MW-1 contained enough water to sample; MW-2 and <br /> MW-3 were dry. Table 1 presents the field physical parameter measurements and t!ie <br /> analytical results for MW-I are summarized in Table 2. Appendix A preserts a detailed <br /> description of WESTON's field activities and the complete Analytical Report is presented <br /> in Appendix B. <br />