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screened in the field for the presence of organic vapors with a portable photoionization <br /> detector (PID. After collection of soil samples, each bore hole will be abandoned by filling <br /> with a cement/bentonite slurry. The surface will be patched as necessary to match the <br /> surrounding surface materials. Field work will be conducted in accordance with the <br /> sampling methods described in Attachment A. <br /> Task III: The 5 foot soil samples collected from the five borings located in the area of the <br /> hydraulic lifts will be submitted for laboratory analysis of total petroleum hydrocarbons as <br /> hydraulic fluid (TPHhh) using EPA Method 8015M. The 5 foot soil samples collected from the <br /> vicinity of the oil/water separator and floor drain will be analyzed for total petroleum <br /> hydrocarbons as gasoline (TPHg), diesel (TPHd), motor oil (TPHmo) using EPA Method <br /> 8015M, volatile organic compounds (VOCs) using EPA Method 8260B, and select metals <br /> cadmium, chromium, lead, nickel and zinc using EPA Method 6010. <br /> Task IV: Upon receipt of analytical results, site data will be compiled and evaluated and a <br /> draft report prepared and submitted to the client for review. The report will contain an <br /> assessment of sampled soil quality. ADR's conclusions and recommendations will be <br /> included in the report. <br /> If you have any questions, please contact the undersigned at (916) 921-0600. <br /> Sincerely, <br /> ADR ENVIRONMENTAL GROUP, INC. <br /> Larry A. Flora, California R.G.# 4759 <br /> Geologist <br /> Attachments <br /> Plate 1 Site Location Map <br /> Plate 2 Site Map W/Proposed Boring Locations <br /> SUBSURFACE INVESTIGATION RESULTS REPORT <br />