Laserfiche WebLink
1 <br /> 45 Laboratory Analyses <br /> All soil samples collected during this investigation were delivered for chemical analyses to <br />' Sequoia Analytical (Sequoia) of Concord, California, a State certified laboratory The samples <br /> were analyzed for the following compounds- <br /> Total purgeable petroleum hydrocarbons (TPH-G) by U S <br /> Environmental Protection Agency (USEPA) Method 503018015, <br />' Total lead by USEPA Method 7421, and <br />' Ethylene dibromide (EDB) by USEPA Method 8010 <br /> Table 1 summarizes the laboratory analytical data for the former UST cavity and the product line <br />' trench samples Laboratory analytical reports and Chain-of-Custody Documentation forms are <br />' presented in Appendix B <br /> 5.0 EXCAVATED SOIL STOCKPILING, SAMPLING AND DISPOSAL <br />' This section describes the following activities <br />' soil stockpiling and sampling, and <br /> • aeration and disposal of stockpiled soil <br />' 5 1 Soil Stockpiling and Sampling <br /> P g <br /> t The ravel sand fill material and native soil excavated from the UST vi <br /> P� gravel, cavity and from the <br />' piping trenches were stockpiled on-site. Composite samples were collected from the stockpiles <br /> to characterize the soil for disposal <br /> 1 � <br /> Roux collected four soil samples from each 50 cu yds. of stockpiled soil To prepare the soil <br /> for sampling, six to twelve inches of soil were scraped away from the surface of the stockpile <br /> Samples were collected from the prepared surface Stockpile samples were collected in stainless <br /> F4 UXASS=ATM 1NC. ® 5 Doc #A 158W01 17 <br />