Laserfiche WebLink
GeofogicalTechinics inc. Page 4 <br /> Phase IIA ESA Report <br /> Bank of Stockton(Airport Way) <br /> Project No. 827.2 <br /> November 15, 1999 <br /> 2.2 Groundwater Sample Collection <br /> Groundwater was not encountered, so groundwater samples were not collected. <br /> 2.3 Laboratory Analyses <br /> Six soil samples (1 from each boring) were submitted to Sherwood Laboratories of Hilmar <br /> (State Certified Laboratory#1400). They were analyzed for: <br /> • BTEX by EPA method 8020 <br /> • TPH-G by EPA method 8015(m) <br /> • Total Extractable Petroleum Hydrocarbons as diesel, kerosene, motor oil (TEPH-D, K, <br /> MO)by EPA method 3540/8015 (m) <br /> • Chlorinated Solvents by method 8010 (truck maintenance yard only) <br /> • LUFT Metals by method 6010 (truck maintenance yard only) <br /> The detection limits for these compounds are listed below in the summary tables and are <br /> given on the lab reports attached in Appendix A. A Chain of Custody was completed for all <br /> samples collected and tracked to ensure sample integrity. <br /> Table 1: Soil Sample Analytical Data -November 5, 1999 <br /> Benzene Toluene Ethyl Total <br /> benzene Xylenes Gasoline Diesel Motor Oil <br /> Boring/Depth µg/kg µg g lag/kg µg g mg g mg g mg g <br /> (198-03-031 <br /> < . <,, < . (<1.0) < . < , <br /> (198-03-041 <br /> 3_ <,. < < , < , < , < , < . <br /> UP 4-15 ft ND < < . <,. < . < , < , < <br /> ruc <br /> (198-03-04) <br /> —=non detect(detection limits in parentheses) <br /> Table 2: Soil Sample Analytical Data -November 5, 1999 <br /> Purgeable Cadmium Chromium Lead Nickelme <br /> Halocarbons <br /> method 8010 <br /> Boring/Depth µg g mg/kg mg/kg mg/kg mg g mg/kg <br /> Truck <br /> (198-03-04) <br /> UP 5-10 ft ND < , < , . <br /> 0 29 <br /> cip 6-10 it ND ;E <br /> < , < , 8.3 1.7 <br /> —=non detect(detection limits in parentheses) <br /> It should be noted that the OVM malfunctioned during field investigation work and was not <br /> used for screening process. <br />