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E-Flux,LLC ANALYSIS REPORT <br /> Confidential Information <br /> Project:Tracy,CA. Round 1 Sampling. <br /> Customer:Arcadis Report Date: <br /> Customer Contac: Scott Hackman,Steve Gaito 3/26/13 <br /> Basis for Analysis: <br /> This report is based on E-Flux proprietary technology and equipment to measure soil gas efflux. <br /> Chemical analysis is based on methods ASTM 4373-02(Rapid Determination for Carbonate Content in Soils). <br /> and ASTM D6686-12(Determining the Biobased Content in Solids,Liquids and Gases Using Radiocarbon Analysis). <br /> Sample Deployment Dates Raw Results(not blank corrected) Blank Corrected Results 14C Anal sis fossil fuel <br /> g f.f.CO2 <br /> Eq.LNAPL Modem C, Std.Dev. (blank fossil fuel Eq.f.f.NAPL <br /> Carbon Content CO2 Flux loss as reorted Modem f.f.C% correct'd) flux loss rate <br /> moisture, dry sorbent avg% microM/ gallons/ microM/m gallons/acre. <br /> deployed retrieved days dry basis mass, g CO2 CV%CO2 %CO2 g CO2 m^2.sec acre yr %Mod % %ft Cot ft ^2.sec r <br /> ARCTRA-CO2-01 2/12/139:40 2/26/1310:18 14.03 7.8% 46.518 5.27% 3.65% 4.32% 2.01 4.650598 2919.2631 1 56.6% 0.16% 50.8% 1.089 2.520 1,582 <br /> ARCTRA-CO2-02 2/12/13 9:48 2/26/13 10:25 14.03 8.2% 47.57 6.17% 1.12% 5.22% 2.48 5.745734 3606.7001 88.0% 0.23%- 23.5% 0.529 1.225 769 <br /> ARCTRA-CO2-03 2/12/13948 2/26/13 10:25 14.03 8.2% 46.211 1.59% 0.02% 0.64% 0.30 0.684145 429.44983 71.6% 0.23% 37.7% 0.122 0.283 177 <br /> ARCTRA-CO2-04 2/12/13 9:48 2/26/13 10:25 14.03 7.2% 44.654 1.70% 0.12% 0.74% 0.33 0.769047 482.74463 75.19/7-T0.27% 34.7% 0.113 0.260 164 <br /> ARCTRA-CO2-TB NA NA NA 8.8% 45.693 0.95% 0.04% 0.00% 0.00 NA NA 74.4% 0.25% 35.3% 0.000 1 NA NA <br /> Assumptions and General Notes: <br /> Results are travel blank corrected but not background location corrected. <br /> If trap carbon content is not larger than travel blank,results are reported as ND. <br /> Carbon analysis was conduced in duplicate. <br /> C.V.is coefficient of variation,equal to the ratio of the standard deviation over the average. <br /> The flux equivalence is 1 microMole/(m^2.S)equals 627 gallons/(acre.yr). This assumes a hydrocarbon density of 0.75 g/mL and a formula of C81-118. <br /> Trap cros ssectional area is 8.11 e-03 m12 <br /> NA:Not Applicable <br /> Quality Assurance/Quallty Control Notes: <br /> Travel blank(TB)bottom element concentration was 1.0%. Typical travel blank concentrations are<2%. <br /> Trap tops were not saturated. Max.measured top concentration was 8.2%. Sorbent saturation is 30%. <br /> Moisture levels were less than 8.8%,within typical values. <br /> For any comments or questions,please contact <br /> Julio Zimbron,Ph.D. <br /> E-Flux,LLC <br /> 2260 Eastwood Dr. <br /> Fort Collins CO 80525 <br /> Phone 970 491 0626 <br /> jzimbron@rams.colostate.edu <br />