Laserfiche WebLink
1 <br />6.0 SURFACE/GROUNDWATER ANALYSIS <br />' 6.1 Laboratory Analysis <br />A groundwater sample was collected from a pit excavated with a backhoe on-site. Two surface <br />' water samples were collected from the Eagle River: one upstream and the other downstream of the <br />Montgomery Pit facility. <br />1 <br /> <br />l~ <br />1 <br /> <br />LJ <br />1 <br />Water samples were analyzed for TPH (Total Petroletun Hydrocazbons, C8 to C30), 2,4-D (2,4- <br />Dichlorophenoxyacetic Acid), Dicamba and Bromacil. TPH, 2,4D and Dicamba analysis were <br />performed by ACZ Laboratories. Bromacil analysis were performed by Pacific Agricultural <br />Laboratory. Results of water samples aze shown in the Table 2. <br />Table 2 <br />Chemical Analyses of Groundwater and Surface Samples <br />Location Sample ID Sample Analysis <br /> TPH <br />mg/I 2, 4-D <br />ug/I Dicamba <br />ug/I Bromacil <br />mg/I <br />Eagle River SW-Upgradient U U U U <br />Eagle River SW-Downgradient U U U U <br />Backhoe Pit GW-Well U U U U <br />Notes: <br />' -TPH analysis :range (C8 to C30) <br />- TPH, 2,4-D and Dicamba analyses performed by ACZ Laboratories, Inc. <br />- Bromacil analyses performed by Pacific Agricultural Laboratory <br />- U = analyze was analyzed for but not detected at the MDL. <br />Analytical Methods (water samples): <br />TPH :EPA M8015 <br />' 2,4-D and Dicamba :EPA M8150 <br />Bromacil : Soxhlet extraction, HPLC-UV <br />' 6.2 Results <br />' All TPH, 2,4-D, Dicamba and Bromacil were undetected in water samples. No evidence of water <br />contamination could be identified even in the locations that would most likely be impacted. <br />Environmental She Investlgutlon Momgomery Pil <br />' TechLink Environmental, Inc. I I B&B Excavating <br />