Laserfiche WebLink
.a- s �a ; _ _. R_ -_. i. sm SrTrr. _ E <br /> a �W' r } RM <br /> _ I <br /> i <br /> Y� <br /> 9 December 1991 <br /> (GeoAudit CV 42F5-1.26) <br /> Page 5 of 7 <br /> 13) Obtain discret a soil samples <br /> atssat fiveloaded� with intervals <br /> prep <br /> --• boring, using pi <br /> cleaned brass tubes. <br /> 14) Decontaminate sampling equipment in a tri-sodium phosphate <br /> solution (TSP) and rinse twice with water prior to each <br /> sampling run. <br /> 15) preserve soil samples in the middle brass tube by covering <br /> capping, and sealing with taps. <br /> both ends with aluminum foil, <br /> 16) Label and log soil samples on a chain-o£-custody form- <br /> 17) Store samples under ice pending delivery to a state-certified <br /> laboratory. <br /> 18) Monitor auger returns and soil sample duplicate oni at he <br /> presence of volatile organics using a p <br /> detector (PTD) . <br /> 19) Log auger returns in accordance with the Unified Soil <br /> Classification System. <br /> 20) steam-clean auger flights prior to drilling the second and <br /> third borings to prevent cross contamination. <br /> 21) Convert the borings to 4--inch monitoringwells in accordance <br /> with the attached well design (Figure <br /> 22) Survey the top of the well casings to determine their relative <br /> elevations. <br /> 23) No sooner than 48 hours after installation, measure to the <br /> nearest 0.01 foot, the static water level in each well <br /> relative to the top of the well casing, <br /> 24) Surge and purge the wells using a bailer. obtain two water <br /> samples from each well after temperature, pH, and conductivity <br /> have stabilized- <br /> 25) Contain purged water in 55 gallon DOT drums and store on-site <br /> pending analytical results. <br /> 26) place water samples in two DPA-approved VOA vials and cap <br /> vials with teflon-faced silicone septum. <br /> r:1 <br /> r. <br /> 27) Label and log water samples on a chain-of-custody <br /> F � <br />