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I <br /> I� <br /> I <br /> samples will be labeled with a unique sample number, date; time of collection, initials of <br /> collector, Terranext project number and any other pertinentl:�Jnfonhation, Each soil sample <br /> will then be placed in an insulated chest containing ice and delivered (along with chain-of- <br /> custody documentation) to Quanterra Environmental Services in West Sacramento, <br /> f California, for analysis on a standard three week turnaround basis. It is anticipated that a <br /> I <br /> maximum of two soil samples will be analyzed from each of the soil borings. The selection <br /> of samples for analysis will be based on field observations. <br /> The remaining soil borings will be drilled using a truck-mounted Grill rig equipped with fl- <br /> inch outside diameter hollow-stem augers. The soil borings,l will be drilled to the top of the <br /> ;� <br /> water-bearing zone, which is anticipated to be approximately 20 feet bgs. To assess Site <br /> ,{ <br /> conditions, continuous soil cores will be collected from soil'borehbles. Soil samples for <br /> laboratory analysis will be collected from each of the borings at approximate 5-foot intervals, <br /> beginning at the surface (beneath asphalt/concrete) and continuing'to the top of the water- + <br /> bearing zone. Soil samples selected for potential laboratory1analysis will be immediately <br /> withdrawn from the sampler and placed in 8-ounce glass jars and �sealed with TeflonO-lined <br /> plastic lids. This will be done in the same manner as the ones collected with the push core <br /> system. <br /> I <br /> The cores and soil cuttings from all boreholes will be examined by an on-site geologist or <br /> engineer and logged in accordance with the procedures of tlie American Society for Testing <br /> Materials D 2488. A portion of the sample from each 5-foot interval will also be screened in <br /> k� <br /> the field using a PID. Approximately 50 grams of soil willlbe placed in a plastic bag and <br /> allowed to sit, preferably in the sun, for at least 15 minutes; The plastic bag will then be <br /> opened just enough to place the probe of the PID into the headspac a and a measurement <br /> made. PID readings will be recorded on the boring logs. <br /> � I <br /> E I I <br /> 808-001.wkp103-14-97lulkeydatalworkplan 9 j w <br /> i <br /> I <br /> � d <br />