ARCHIVED REPORTS_XR0012337 - Laserfiche WebLink

Home Browse Search

ENVIRONMENTAL INVESTIGATION REPORT Unocal Service Station No 5886 2701 West March Lane Stockton California Delta Pmlect No D095-066 Page 17 tFollowing receipt of the analytical results, the soil was profiled for disposal at Forward Landfill On October 31, 1995, Delta received approval from Forward for the disposal of the pea-gravel and soil The ' soil was hauled by Manley to Forward under Forward's approval number 4649 on November 1, 1995 A copy of Forward's acceptance is presented in Appendix D 4.8 Product Line Trenclnne and Stockpile Soil Sampling, Disposal, and Analytical Results ' New product and utility trenches were dug on-site between October 27 and November 3, 1995 A representative from Delta was on-site to observe the soil in the trenches and field screen soli for the i ' presence of hydrocarbons Soil samples were collected and screened approximately every three linear 4 feet of trench using the methods described in Appendix B No staining or positive field readings were i ' observed Soil generated during the excavation activities was stockpiled on-site and covered with plastic On November 3, 1995, six soil samples were collected from approximately 150 cubic yards of soil Six soil samples were collected from the soil and composited into three for chemical analyses by Sequoia Each sample was analyzed for TPH as gasoline, TPH as diesel, BTEX, and total lead using the previously described methods A summary of the analytical results are presented In Table 2 and copies of the ' laboratory analytical results and chain-of-custody documentation are presented in Appendix C ' The soil was profiled for disposal at Forward following receipt of the analytical results On November 8, 1995, Delta received approval from Forward for the disposal of the pea-gravel and soil ' The soil was transported by Manley to Forward under Forward's approval number 4674 on November 13, 1995 A copy of Forward's acceptance is presented in Appendix D ' RPT 160 SJS