Laserfiche WebLink
13 May 1498 ' <br /> i AGE-NC-95-0144 <br /> Page 3 of 5 <br /> t accordance with EPA Method 5030/8015m <br /> ' volatile aromatics (benzene, toluene, ethylbenzene, and xylenes BTE&X) with methyl <br /> > ' tertiary-butyl ether (MTBE)In accordance with EPA Method 8020/602 <br /> • oxygenated compounds In accordance with EPA Method 8260 <br /> Laboratory reports, testing methods, laboratory quality assurance/quality control (QA/QC) reports, <br /> and sample chain-of-custody documentation will be presented In a report with the findings and <br /> recommendations <br /> J <br /> 40. PROCEDURES <br /> 41 DRILLING AND SAMPLING <br /> The following procedures will be performed for the installation of ground water monitoring wells <br /> 1 Notify the PHS-EHD at least 48 hours prior to commencement of any work <br /> . 2 Mark boring Iocattons at least 48 hours in�tdvan(e for an Underground Service Alert (USA) <br /> check of underground utilities or pipes <br /> , g pp s <br /> 3 Advance three soil borings utilizing a truck-mounted drill rig and 10-inch diameter nollow <br /> stem augers to total depths of 50 feet bsg Proposed boring locations are depicted on Figure > <br /> 2 Borings may be advanced to greater depth, if necessary to define the vertical extent of <br /> impacted soil and ground water <br /> f <br /> 4 Decontaminate all sampling equipment in an Alconox solution and rinse with water prior to <br /> each sampling nin Steam-clean auger flights before advancement of each boring <br /> ` 5 Collect soil samples at 5-foot intervals In each boring beginningata depth of 5 feet bsg In <br /> the boring at the former UST location and beginning at a depth of 15 feet bsg in the <br /> remaining borings Samples will be collected using a California split-spoon sampler loaded <br /> with three 2-Inch by 6-inch brass sleeves The sampler will be driven by dropping a 140- <br /> pound weight from a height of 30 Inches The,number of blow required to advance the <br /> sampler in 6-Inch increments will be recorded on the boring log <br /> 6 Preserve soil in the lead sleeve by covering both ends with Teflon sheets, capping, and <br /> sealing P with tape <br /> 7 Label and log samples on a chain-of-custody form <br /> 8 Store samples in a chilled container and transport to a state-certified laboratory for analysis <br /> Selected soil samples will be analyzed for total petroleum hydrocarbons quantified as <br /> Advanced GeaEmironmental,Inc <br /> , <br />