Laserfiche WebLink
Summer Gell <br />Principal <br />Joe Mangine, <br />Project Manager <br />Work Plan for Phase II Subsurface Investigation <br />14800 West Schulte Road <br />Tracy, California 92612 <br />Partner Project Number 18-217440.1 <br />July 2, 2018 <br />Page I 4 <br />Construct a soil gas probe within the six shallow boring locations at five feet bgs. The final screening <br />depth at each borehole will be adjusted based on the encountered lithology. In general, probes will be <br />screened within coarser-grained materials and clayey intervals will be avoided, if possible; <br />Collect and prepare up to six soil gas samples for laboratory analysis using laboratory-provided, batch- <br />certified SUMMA canisters; <br />Analyze each soil gas sample for VOCs in accordance with EPA Method TO-15/8260 <br />Based on field-screening results, analyze one soil sample per boring (10 soil samples total) for carbon <br />chain total petroleum hydrocarbons (TPH-cc) in accordance with EPA Method 8015, for VOCs (including <br />fuel oxygenates) in accordance with EPA Method 8260, and for California Administrative Manual (CAM) <br />17 metals in accordance with EPA Method 6010B/7471A; <br />Samples will be transported under proper chain-of-custody protocol in an iced cooler to SunStar <br />Laboratories, Inc. (a state-certified laboratory [California Department of Public Health Environmental <br />Laboratory Accreditation Program Certificate Number 2250] in Lake Forest, California) for analysis; <br />Following sampling activities, each boring will be backfilled with neat cement grout and capped with <br />concrete or asphalt patch to match surrounding ground; and <br />Prepare a report detailing field activities, methods, and findings. <br />Signature of Environmental Professional <br />If you have any questions, please do not hesitate to contact Summer Gell at (214) 666-6800. <br />Sincerely, <br />PARTNER