ARCHIVED REPORTS_XR0012715 - Laserfiche WebLink

Home Browse Search

X, :,z: regardlans of carpling Sntarval, is required, patvoon oamplos the dovnhoia Oquipmont vi.11 be vached +pith a trinodiun Phoaphatc detergent and than rinond with tap writer and dintillcd water. All doll camplas will. 4a acraened for hydrocarbon content with an organic vapor analyzer taithcr Flo or PID?, After collection and acreaninq, the sar-.:gla kill b2 coalud with aluminvm foil and PVC caps and placed on ice, Selected cappled will be chipped to a California Department of Health Services certified analytical laboratory within 24 hours, The coil seseaplan collected from juat utxave the water table and :samples with pvA-detectable fuel can- tamination will be analysed for total petroleum hydrocarbons; (TPH) and dejected volatile gad:oline ccnestituantss (VOA), using} modified EPA 8015, 0010, $020, p240, and CC-FID methods as appro- priatc. Soil borings will be logged by a supervising gaologiet who will ovaryao all wall construction and carpling and described according to the Unified Soil Cladsifi_ation Syestem. All drill cuttings will ramain on the :site and handled as the other excavated :soils have been. After completion of Bach monitoring wall but not loads then 48 hours, the well will be: devaloped using wither aG submersible stainless :steal pump, PVC hand pump. or a pVC hand pump or bailer (depending on yield) until then vatar Ic fres of solids and turbidity. Ground-nater sampling will be done by a trained geologist or a trained einvirgnesantal scientist. Before sampling, each well ',ill be purge=d by the removal of tour or five casing volumoc of water with a procleanad bailer. Purged water will to filtered through activated carbon and put Into SS-gallon drums. h s&mplea of the filtered vater will be taten for total petroleum hydrocb$house -- — --a<nalyssiei. x+11--drum g_-vill_-tae storad on-site Or in Eel's wa until sat�la :ersulte: are racCive„d and than diupoae:d of -- appropriately.