Laserfiche WebLink
CAMBRIA <br /> Groundwater Depths• During drilling activities, groundwater was observed in well <br /> borings MW-8 through MW-11 at depths ranging from <br /> 49 to 54 fbg Blaine Tech Services, Inc (Blaine) of San Jose, <br /> California measured groundwater in all of the site wells at <br /> depths ranging from 50 17 to 53 53 fbg on August 21, 2003 <br /> Blaine's well gauging data is included in Appendix C <br /> Soil Types: Soil types encountered during drilling consisted predominantly <br /> of silty sand (SM), sandy silt (ML), and sand (SP) at varying <br /> depths and thicknesses to the total explored depth of 100 fbg <br /> Soil types from the borings are recorded on the boring logs <br /> (Appendix B) <br /> Chemical Analyses- Selected soil samples from the well borings and groundwater <br /> samples collected from the wells were analyzed for TPHg, <br /> BTEX, and fuel oxygenates (MTBE, di-isopropyl ether, TAME, <br /> ETBE, and TBA) by EPA Method 8260B <br /> • Soil Disposal: Approximately 8 89 tons of soil were generated during field <br /> activities, stored onsite, and covered with plastic sheeting On <br /> July 22, 2003, Manley and Sons Trucking, Inc of Sacramento, <br /> California transported the soil to Allied Waste Industries' <br /> Forward Landfill in Manteca, California for disposal <br /> (Appendix D) <br /> Well Materials• Wells MW-8 through MW-10 were constructed using two-inch <br /> diameter Schedule 40 PVC casing and well MW-11 was <br /> constructed using four-inch diameter Schedule 80 PVC casing <br /> All wells were constructed with a screen slot size of 0 020-inch <br /> and#2/12 Monterey sand <br /> Screened Interval Wells MW-8 and MW-10 are screened from 45 to 60 fbg, and <br /> wells MW-9 and MW-II are screened from 48 to 63 fbg and 90 <br /> to 100 fbg, respectively Monitoring well construction details <br /> are presented on Table 1 and recorded on the exploratory boring <br /> logs (Appendix B) <br /> 0955 6 <br />