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i <br /> GoFtzI V ED <br /> NAY `J, $ Z018 <br /> CASTLE ANALYTICAL LABORATORY <br /> Environmental Testing Services 2333 Shuttle Drive, Atwater, CA 95301 I' 9) 384-2930 <br /> Certificate No. 2480 <br /> FIF l71 ) I7FpA.ff ijL 384-1507 <br /> Technicon Engineering Client Project ID: 180321 Received: 05-07-18 <br /> 4539 N. Brawley #108 Lab Reference Number: H80507041 WO# 1805035 Reported: 05-16-18 <br /> Fresno, CA 93722 Matrix: Soil <br /> Attn: Jim Vue Customer Number: 716 <br /> Polychlorinated Biphenyls (PCBs) as Aroclors <br /> Extracted by EPA method 3550 Analyzed by EPA method 8082 <br /> The following QC data applies to sample PH8050655 <br /> from Lab report # H8050704 <br /> Batch Preparation Date: 05-08-18 <br /> MATRIX SPIKES: <br /> SPIKED SAMPLE: PH8050055 MS, MSD, LCS spiked with Aroclor 1260 <br /> SAMPLE SPIKE <br /> RESULT ADDED RESULT PERCENT RECOVERY SURROGATE <br /> (mg/kg) (mg/kg) (mglkg) RECOVERY LIMITS RECOVERY <br /> MS 0.000 0.500 0.459 91 .8% 70% - 130% 95.8% <br /> MSD 0.000 0.500 0.457 91 .4% 70% - 130% 96.3% <br /> RPD: 0.4% <br /> RPD LIMIT: 20% `I <br /> CONTROL SPIKE (LCS): <br /> SPIKE <br /> ADDED RESULT PERCENT RECOVERY SURROGATE <br /> (mg/kg) (mglkg) RECOVERY LIMITS RECOVERY <br /> 0.500 0.466 93.2% 80% - 120% 96.8% <br /> BLANK: <br /> SURROGATE RECOVERY : 96.6% <br /> AROCLOR RESULT REPORTING LIMIT <br /> 1221 NO 0.050 mg/kg <br /> 1016 NO 0.050 mg/kg <br /> 1232 NO 0.050 mglkg <br /> 1242 NO 0.050 mg/kg <br /> 1248 NO 0.050 mg/kg <br /> 1254 NO 0.050 mg/kg <br /> 1260 NO 0.050 mg/kg <br /> 1268 ND 0.050 mg/kg <br /> NOTE: Surrogate compound is 2,4,5,6 Tetrachloro-M-Xylene <br /> APPROVED BY: <br /> James C. Phillips / La oratory Director or <br /> Clarl J. Cone / Labo toryManager <br />