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C A M B R I A <br /> to 370,000 ppb These data are summarized on Table 1 and shown on the chemical <br /> concentration map (Plate 2) <br /> • Separate phase product was not present in Well RW-1A this quarter <br /> • Ground water samples collected from deep monitoring Wells MW-12 through MW-14 did <br /> not contain detectable levels of TPPH, benzene, MTBE or other fuel oxygenates <br /> • Ground water samples collected from the Caltrans irrigation well and the 5 domestic wells <br /> did not contain detectable levels of TPPH, benzene, MTBE or other fuel oxygenates, <br /> with the exception of the Warman Well located at 2468 Country Club Boulevard (CCB) <br /> Ground water samples from this well contained 450 ppb TPPH These data are <br /> summarized on Table 2 <br /> Quarterly Sampling <br /> Ground water samples were analyzed for Total Purgeable Petroleum Hydrocarbons quantitated <br /> as gasoline (TPPH) according to EPA Method 8015 (Modified), benzene, toluene, <br /> ethylbenzene, and xylenes (BTEX), and methyl-tertiary-butyl-ether (MTBE) according to <br /> EPA Method 8020, and oxygenate compounds according to EPA Method 8260 and EPA <br /> 8015 (Modified) Additionally, a duplicate sample and an equipment blank were prepared and <br /> analyzed for quality control purposes <br /> Field monitoring data and chemical analytical data are summarized in Tables 1 and 2 <br /> Blaine's ground water monitoring report is presented in Appendix A <br /> Conclusions <br /> The petroleum hydrocarbon and MTBE concentrations in ground water samples collected <br /> from the shallow wells this quarter are within the historical norm for this site Petroleum <br /> hydrocarbons and fuel oxygenates were not detected in the deep monitoring wells this quarter <br /> Ground water samples from the Caltrans irrigation well and the private water wells did not <br /> contain petroleum hydrocarbons and fuel oxygenates, except for the 2468 CCB well which <br /> contained TPPH <br /> Recommendations <br /> Cambria recommends that ground water monitoring, sampling, and reporting continue on the <br /> • established schedule for the next quarter, with the following analytical reductions Cambria <br /> 240-0783 2 <br />