Laserfiche WebLink
Iperiodic parameter readings were recorded on the field data sheets included in Appendix A More details <br /> • of groundwater purging procedures are presented in Appendix B <br /> The purged groundwater contained in the on-site 1,000-gallon polyethylene tank is pending waste <br /> Iprofiling and disposal/treatment Disposal/treatment of the contained water will be discussed under <br /> separate cover <br /> 2 r 200 <br /> Following purging, groundwater samples were collected from the on-site groundwater wells using a new <br /> polyethylene disposable bailer Prior to sample collection, the depth to groundwater was measured to <br /> Iconfirm that the groundwater level had recovered to within 90% of its original level The water level <br /> measurements, sample name, time, and sample containers were recorded on a sample data sheet included <br /> in Appendix A In addition to the groundwater samples collected from the on-site monitor wells, a <br /> duplicate sample (MW-9D) was collected from monitor well MW-913 and an equipment blank sample <br /> was collected from the final rinse water used to decontaminate monitoring and sampling equipment <br /> Details of the groundwater sampling procedures are included in Appendix B <br /> Groundwater samples collected from the site were contained in appropriate sample bottles supplied by <br /> Del Mar Analytical Following collection, the groundwater samples were placed in an iced cooler and <br /> transported,under proper chain-of-custody record,to Del Mar for analysis <br /> 3.1.2.2 Grouadwajer SU1U121eJ11aLUm—December 200 <br /> The groundwater samples collected in the December 2000 groundwater monitoring event were analyzed <br /> for total petroleum hydrocarbons as diesel (TPHd) and total petroleum hydrocarbons as gasoline (TPHg) <br /> using EPA Method 8015B, and benzene, toluene, ethylbenzene, total xylenes (BTEX), methyl tent-butyl <br /> ether (MTBE), tert-Butyl Alcohol (TBA), Diisopropyl Ether (DIPE), Ethyl tert-Butyl Ether (ETBE), and <br /> tert-Amyl Methyl Ether(TAME)according to EPA Method 8260B Groundwater samples collected from <br /> monitor wells MW-2 and MW-2B were also analyzed for volatile hydrocarbons using EPA Method 8260 <br /> • o7/toro1 <br /> Slaes Project#002-70950-02 9 blm C 113LAESIU-Hau1170950170950r101 doc <br /> i <br /> I <br />