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' Detectable concentrations of TPHmo were reported in samples collected from SBS, SB14, SB24, and SB25 <br /> Reported detectable concentrations of TPHmo ranged from 390 EtgIQ in SB24 to 1,100 pgIQ in SB14, located <br /> in the northern portion of the 33-by 100-foot leach field to the west of the marina office and store <br />' Detectable concentrations of benzene were reported in the samples collected from SBI, SB2, and SB26 <br /> Reported concentrations of benzene ranged from 5$0 Ejg/Q in SBI to 3,400 j/-g/Q in the sample collected from <br /> SB26, located in the vicinity of the formerly hand augered hole SB10 (RESNA) 7 <br />' Detectable concentrations of methyl-tert-butyl ether (MTBE) and naphthalene were reported in the sample <br /> collected from SB26 at 130 and 2,600 Ecg/e respectively <br />' TPH and BTEX were not detected in samples collected from SB 15, SB21, SB22, S1323, and SB27 MTBE and <br /> Naphthalene were not detected in samples collected from S1321, SB22, SB23, SB24, SB25, and SB27 <br />' Holiday Harbor <br />' Groundwater samples collected from the Holiday Harbor facility contained no detectable concentrations of <br /> analyzed constituents <br />' The analytical results for the grab groundwater samples collected in January and February are presented m Table <br /> 2 Complete laboratory results and chain-of-custody records are included in Appendices B-G <br /> 3.4 DOMESTIC WELL WATER ANALYSIS RESULTS <br /> During the January sampling, detectable concentrations of unknown hydrocarbons were reported in samples <br /> collected from DW-1, DW-2, and DW-3 Reported detectable concentrations of the unknown hydrocarbon <br />' ranged from 490 jig/Q in DW-3 to 610 j.cg1Q in DW-1 According to Superior analytical, the concentrations <br /> appear on the gas chromatogram in the range of diesel but do not have the appearance of a diesel pattern In <br /> order to confirm the type and presence of hydrocarbons in the active domestic wells, the February samples <br />' were analyzed using mass spectrometer This second round of sampling conducted in February yielded non- <br /> detectable concentrations for any hydrocarbons within the C4 to C14 range as well as BTEX, MTBE andel <br /> naphthalene <br /> 1 <br /> 1 <br />' 50133-001-02 <br />