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Table 3.Hydrocarbon Concentrations and Field Parameter Results <br /> September 7,2018 <br /> SFPP, L.P.Holt Release Site,Holt,California <br /> Hydrocarbon Concentrations Field Parameter Results <br /> TPH(mg/L) BTEX(pg/L) Dissolved Electrical <br /> Sample Sample Extractable Purgeable Ethyl- Xylenes, Oxygen ORP pH Conductivity Temperature <br /> Well Date Method (DRO) (GRO) Benzene Toluene benzene Total (mg/L) (mV) (pH units) (IS) (°C) <br /> Upgradient <br /> M-1 9/7/18 HydraSleeve <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 7.55 61.8 5.39 719 22.0 <br /> Plume <br /> N-7 9/7/18 HydraSleeve 4.1 LC 3.4 840 14 240 58 3.53 -45.3 6.25 7,526 25.5 <br /> N-7(Dup) 9/7/18 HydraSleeve 5.1 LC 2.0 480 7.0 110 28 n/a n/a n/a n/a n/a <br /> N-8 9/7/18 HydraSleeve <0.50 0.93 1.4 <0.50 66 18 2.85 56.3 5.37 4,990 23.3 <br /> N-15 9/7/18 HydraSleeve <0.50 1.5 8.2 3.7 1.4 3.5 8.24 -52.6 5.73 7,468 26.3 <br /> N-16 9/7/18 HydraSleeve 0.54 K 1.2 <1.0 0 <1.0 0 <1.0 0 <1.0 0 2.89 -33.3 5.07 4,440 26.1 <br /> N-17 9/7/18 HydraSleeve 2.0 K 2.3 5.0 <1.0 0 8.3 <1.0 0 2.06 -25.4 4.75 4,998 26.0 <br /> M-10 9/7/18 Bailer' 3.8 CL <0.50 <0.50 <0.50 <0.50 <0.50 4.57 -43.3 5.79 3,095 25.4 <br /> 0-1 9/7/18 HydraSleeve <0.50 <0.50 1.4 <0.50 <0.50 <0.50 0.51 -35.4 5.95 5,349 21.5 <br /> RW-1 9/7/18 HydraSleeve 1.0 K 3.7 390 8.6 5.4 17 0.20 -55.3 6.09 2,172 25.2 <br /> Downgradient <br /> M-8 9/7/18 Bailer' <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 5.96 74.6 6.30 1,566 21.3 <br /> N-18 9/7/18 HydraSleeve <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 7.63 -44.0 6.37 1,652 20.1 <br /> N-19 9/7/18 HydraSleeve <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 5.86 -39.7 5.71 1,229 21.9 <br /> N-20 9/7/18 HydraSleeve <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 5.13 -42.4 5.82 1,019 21.2 <br /> Deeper <br /> N-24 9/7/18 HydraSleeve <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 3.22 37.7 5.89 1,759 20.4 <br /> Equipment and Trip Blanks <br /> EB-1 9/7/18 Equipment Blank <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 n/a n/a n/a n/a n/a <br /> TB-1 9/7/18 Trip Blank <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 n/a n/a n/a n/a n/a <br /> Notes: <br /> 'MW-8 and M-10 were sampled with a bailer because they did not have sufficient water to sample with a HydraSleeve. <br /> <=not detected(ND)at less than indicated value <br /> °C=degrees Celsius <br /> pg/L=micrograms per liter <br /> µS-microSiemens <br /> BTEX=benzene,toluene,ethylbenzene,and total xylenes <br /> DRO=diesel-range organics(C13-C22) <br /> GRO=gasoline-range organics(C4-C13) <br /> K=DRO concentration may include contributions from lighter-end hydrocarbons(for example,gasoline)that elute in the DRO range. <br /> 0=Reporting limits were increased due to sample foaming <br /> L=DRO concentration may include contributions from heavier-end hydrocarbons(e.g.motor oil)that elute in the DRO range <br /> C=Reported concentration includes additional compounds uncharacteristic of common fuels and lubricants <br /> mg/L=milligrams per liter <br /> mV=millivolts <br /> n/a=not analyzed <br /> NS=not sampled <br /> ORP=oxidation-reduction potential <br /> TPH=total petroleum hydrocarbons <br /> AX1015181035SCO Page 1 of 1 <br />