Laserfiche WebLink
C A M B R I A <br /> variance to the southeast The hydraulic gradient was calculated to range from 0 008 <br /> to 0 015 <br /> o Ground water analytical results for Wells MW-1 through MW-5, RW-1, RW-2, and <br /> VEW-1 through VEW-4 indicated MTBE concentrations ranged from 3 22 to 1,750 <br /> ppb TPPH and benzene were not detected in any of the collected ground water <br /> samples except VEW-1 that contained 88 4 ppb TPPH A chemical concentration <br /> map is presented on Plate 2 <br /> Quarterly Sampling <br /> Wells MW-1 through MW-5, RW-1, RW-2, and VEW-1 through VEW-4 were sampled and <br /> analyzed for Total Purgeable Petroleum Hydrocarbons quantitated as gasoline (TPPH) <br /> according to EPA Method 8015 (Modified), benzene, toluene, ethylbenzene, xylenes <br /> (BTEX), and methyl-tertiary-butyl-ether (MTBE) according to EPA Method 8020 Well <br /> VEW-3 was also sampled and analyzed for halogenated volatile organics by EPA Method <br /> 8010B <br /> ® Field monitoring data and chemical analytical data are presented in a summary table in <br /> Blaine's ground water monitoring report (Appendix A) <br /> Quarterly samplmg and monitoring will continue on the established schedule <br /> If you have any questions regarding the contents of this document, please call Joe Neely at <br /> (707) 935-4854 <br /> Sincerely, <br /> Cambria Environmental Technology, Inc <br /> C„f � r E;SSlpv� <br /> Mike Murphy aw °�Z� I-t11yL,pG <br /> Project cie t <br /> No C46725 <br /> CIV <br /> Diane M Lundquist, P E q OP CAS-�����P <br /> Principal Engineer <br /> C46725 <br /> 240-0821 2 <br />