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i� <br /> A S S O C I A T E S I N C <br /> additives utilizing EPA Method 8260B The analytical results of the soil samples are summarized <br /> in Table 1 Laboratory data sheets and chain-of-custody documentation are included in Appendix <br /> B <br /> 2_3 Groundwater Sample Collection and Analyses <br /> On March 25, 2004, a groundwater sample was collected from boring GPI at an approximate <br /> depth of 91 feet bgs The sample was collected by inserting a Teflon bailer into the boring and <br /> retrieving a discrete sample Sample containers were then labeled with sample identification, <br /> placed on ice, and shipped under chain-of-custody to Argon Laboratories <br />' A water sample was not collected from the GP2 boring due to refusal encountered at an <br /> • approximate depth of 60 feet bgs The boring was subsequently aborted on March 26, 2004, and <br />' grouted to the surface using neat cement <br /> On May 20, 2004, a groundwater sample was collected from boring GP3 at an approximate depth <br /> of 100 feet bgs The sample was collected by inserting a Teflon bailer into the boring and <br /> retrieving a discrete sample Sample containers were then labeled with sample identification, <br /> placed on ice, and shipped under chain-of-custody to Argon Laboratories <br /> On March 29, 2004, one groundwater sample was collected from the CPT1 hydropunch boring at <br /> an approximate depth of 90 feet bgs On April 2, 2004, one groundwater sample was collected <br />' from the CPT1 hydropunch boring at an approximate depth of 123 feet bgs Based on the <br /> stratigraphic profile indicated in the initial CPT sound boring, the Hydropuncho sampler was <br /> advanced to discrete depths of 90 and 123 feet bgs respectively, where the push rods were then <br /> I retracted exposing a stainless steel filter screen to the formation allowing for groundwater <br /> infiltration Groundwater samples were collected by lowering a stainless steel bailer inside the <br /> hollow push rods The groundwater collected inside the bailer was transferred to laboratory <br /> Isupplied containers that were then labeled with sample identification, placed on ice, and shipped <br /> under chain-of-custody to Argon Laboratories <br />' On April 2, 2004, two groundwater samples were collected from the CPT2 hydropunch boring at <br /> approximate depths of 94 and 132 feet bgs Based on the stratigraphic profile indicated in the <br />' initial CPT sound boring, the Hydropunch® sampler was advanced to discrete depths of 94 and <br /> 132 feet bgs respectively, where the push rods were then retracted exposing a stainless steel filter <br /> screen to the formation allowing for groundwater infiltration Groundwater samples were <br />' collected by lowering a stainless steel bailer inside the hollow push rods The groundwater <br /> collected inside the bailer was transferred to laboratory supplied containers that were then labeled <br /> with sample identification, placed on ice, and shipped under chain-of-custody to Argon <br /> 1 Laboratories <br /> The groundwater samples from borings GPI, GP3, CPTI, and CPT2 were analyzed by Argon <br /> Laboratories for TPHg, and BTEX by EPA Methods 8015B/8021B The groundwater samples <br /> were also analyzed for MTBE and oxygenate fuel additives by EPA Method 8260B <br /> w 11411IIIV porlslSum2004 dm 4 <br />