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HomeMy WebLinkAboutPermit File 2617 Oakes Avenue FRIEDMAN & BRUYA, INC. ENVIRONMENTAL CHEMISTS James E.Bruya,Ph.D. 3012 16th Avenue West Yelena Aravkina,M.S. Seattle,WA 98119-2029 Michael Erdahl,B.S. (206)285-8282 Arina Podnozova,B.S. fbi@isomedia.com Eric Young,B.S. www.friedmanandbruya.com November 26, 2018 Victoria J. Bloom, Project Manager Cascade West Tank Services 18527 28th Ave NE Lake Forest Park, WA 98155 Dear Ms Bloom: Included are the results from the testing of material submitted on November 20, 2018 from the2617OaksAve, F&BI 811338 project. Thereare3 pages included in this report. Any samples that may remain are currently scheduled for disposal in 30 days. If you would like us to return your samples or arrange for longterm storage at our offices, please contact us as soon as possible. We appreciate this opportunity to be of service to you and hope you will call if you should have any questions. Sincerely, FRIEDMAN & BRUYA, INC. Matthew Langston Project Manager Enclosures CWT1126R.DOC FRIEDMAN & BRUYA, INC. ENVIRONMENTAL CHEMISTS Date of Report: 11/26/18 Date Received: 11/20/18 Project: 2617 Oaks Ave, F&BI 811338 Date Extracted: 11/20/18 Date Analyzed: 11/20/18 RESULTS FROM THE ANALYSIS OF SOIL SAMPLES FOR TOTAL PETROLEUM HYDROCARBONS AS DIESEL USING METHOD NWTPH-Dx Extended to Include Motor Oil Range Compounds Results Reported on a Dry Weight Basis Results Reported as mg/kg (ppm) Surrogate Sample ID Diesel Extended % Recovery) Laboratory ID (Cio-C36) (Limit 48-168) 2617 Oaks Ave 10,000 x ip 811338-01 Method Blank <50 97 08-2641 M B2 1 FRIEDMAN & BRUYA, INC. ENVIRONMENTAL CHEMISTS Date of Report: 11/26/18 Date Received: 11/20/18 Project: 2617 Oaks Ave, F&BI 811338 QUALITY ASSURANCE RESULTS FROM THE ANALYSIS OF SOIL SAMPLES FOR TOTAL PETROLEUM HYDROCARBONS AS DIESEL EXTENDED USING METHOD NWTPH-Dx Laboratory Code: 811323-03 (Matrix Spike) Sample Percent Percent Reporting Spike Result Recovery Recovery Acceptance RPD Analyte Units Level (Wet Wt) MS MSD Criteria (Limit 20) Diesel Extended mg/kg (ppm) 5,000 110 96 92 64-133 4 Laboratory Code: Laboratory Control Sample Per cen t Reporting Spike Recovery Acceptance Analyte Units Level LCS Criteria Diesel Extended mg/kg (ppm) 5,000 94 58-147 2 FRIEDMAN & BRUYA, INC. ENVIRONMENTAL CHEMISTS Data Qualifiers & Definitions a -The analyte was detected at a level less than five times the reporting limit. The RPD results may not provide reliable information on the variability of the analysis. b -The analyte was spiked at a level that was less than five times that present in the sample. Matrix spike recoveries may not be meaningful. ca -The calibration results for the analyte were outside of acceptance criteria. The value reported is an estimate. c-The presence of the analyte may be due to carryover from previous sample injections. cf -The sample was centrifuged prior to analysis. d -The sample was diluted. Detection limits were raised and surrogate recoveries may not be meaningful. dv - Insufficient sample volume was available to achieve normal reporting limits. f-The sample was laboratory filtered prior to analysis. fb -The analyte was detected in the method blank. fc-The compound is a common laboratory and field contaminant. hr -The sample and duplicate were reextracted and reanalyzed. RPD results were still outside of control limits. Variability is attributed to sample inhomogeneity. hs- Headspace was present in the container used for analysis. ht —The analysis was performed outside the method or client-specified holding time requirement. ip - Recovery fell outside of control limits. Compounds in the sample matrix interfered with the quantitation of the analyte. j -The analyte concentration is reported below the lowest calibration standard. The value reported is an estimate. J -The internal standard associated with the analyte is out of control limits. The reported concentration is an estimate. jl -The laboratory control sample(s) percent recovery and/or RPD were out of control limits. The reported concentration should be considered an estimate. js-The surrogate associated with the analyte is out of control limits. The reported concentration should be considered an estimate. lc-The presence of the analyte is likely due to laboratory contamination. L -The reported concentration was generated from a library search. nm -The analyte was not detected in one or more of the duplicate analyses. Therefore, calculation of the RPD is not applicable. pc-The sample was received with incorrect preservation or in a container not approved by the method. The value reported should be considered an estimate. ve-The analyte response exceeded the valid instrument calibration range. 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