Laserfiche WebLink
Mr Chuck Carmel <br /> May 14 1993 <br /> Page 2 <br /> Soli samples will be collected from some of the boreholes tar lithoioQic identification and <br /> laboratory analysis Selected soil samples will be analyzed for total petroleum hydrocarbons <br /> (TPH) and benzene ethylbenzene, toluene, and xylenes (BETX) using US Environmental <br /> Protection Agency (EPA) Method 8015/8020 with extraction by EPA Method 5030 <br /> All work at the site will be done according to BCC's standard operating procedures, included <br /> as Appendix A Appendix A provides detailed descnpuons of the following <br /> I Borehole drilling <br /> ✓2 Soil sampling during drilling , <br /> V <br /> - 3 Vapor extraction well installation <br /> i <br /> 4 Air sparging well installation <br /> ---5 Groundwater sampling <br /> ,> ~--- 6 Quality assurance plan c <br /> 7 Sample handling <br /> BCC has prepared a Site Safety and Health Plan (SSHP) for tlus work, included as <br /> Appendix B <br /> A work plan (and a subsequent addendum to the work plan) were prepared for this site for <br /> the installation of one off-site groundwater monitoring well and one off-site soil borehole <br /> The work plan and addendum were submitted to the County on March 26, 1992 and <br /> January 19, 1993, respectively The off-site work will be done concurrently with the <br /> installation of the vapor extraction and air sparging wells if off-site permission is granted. <br /> If you have any questions or comments about the work plan, please contact me at <br /> (916) 444-0123. <br /> Sincerely, <br /> BROWN AND CALDWELL CONSULTANTS <br /> �* <br /> k <br /> isn Lawrence E Phillips <br /> anager Cahforrua Registered Geologist #3710 <br /> SM LEP jrb <br /> Enclosure <br /> cc. Ms Laurie Cotulla, San Joaquin County <br /> Ms Elizabeth Thayer, Regional Water Quality Control Board <br /> Brown and Caldwell <br /> �r �oarrswoRx rr�v <br /> Consu,pans <br />