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Former Brien Ford Property <br /> Everett, Washington Phase II Supplemental Site Investigation <br /> collected from GP-13 contained concentrations of DRPH and ORPH above the MTCA Method A <br /> cleanup levels. <br /> The ground water sample AESI collected and analyzed from exploration boring GP-16 contained <br /> concentrations of GRPH and DRPH exceeding MTCA Method A cleanup levels. Shallow water- <br /> bearing zones encountered in the borings are discontinuous beneath the Property, and <br /> petroleum-contaminated ground water appears to be limited based on data obtained to-date. <br /> CLOSURE <br /> We are pleased to have had this opportunity to work with you and are confident that this <br /> letter-report will aid in remedial design at the Property. Should you have any questions, please <br /> do not hesitate to call. <br /> Sincerely, <br /> ASSOCIATED EARTH SCIENCES, INC. <br /> Kirkland,Washington <br /> 7/4, obu <br /> '411111,411,416:ek• , (1111k\ <br /> � /Oil <br /> 52+ *' <br /> 1 <br /> ydropetloBtst f,, <br /> \ot. 1026 (.`' f <br /> 1.Sed Gea\o <br /> r-- . ', Quo.K. Paris <br /> Tr v•.r W. ouvie e, P.E. Otto K. Paris, L.G., L.Hg. <br /> Sen or P oject En:ineer Senior Associate Hydrogeologist <br /> Attachments: Table 1: Summary of Soil Analytical Results <br /> Table 2: Summary of Ground Water Analytical Results <br /> Figure 1: Vicinity Map <br /> Figure 2: Partial Site and Exploration Plan <br /> Figure 3: Geologic Cross-Section A-A' <br /> Figure 4: Geologic Cross-Section B-B' <br /> Figure 5: Geologic Cross-Section C-C' <br /> Exploration Logs <br /> Laboratory Report and Chain-of-Custody Forms <br /> March 31,2017 ASSOCIATED EARTH SCIENCES,INC. <br /> TWL/Id-20160594V002-2-Projects1201605941KV\WP Page 7 <br />