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Aniei scan Erzvrr-orzniewal Network <br /> PAGE 8 <br /> QUALITY CONTROL DATA <br /> METHOD EPA 625 <br /> AEN JOB NO 9703238 <br /> DATE EXTRACTED 03/20/97 <br /> INSTRUMENT 10 <br /> MATRIX WATER <br /> Surrogate Standard Recovery Summary <br /> Percent Recovery <br /> Date 2-Fluoro- Nitro- 2-Fluoro- 2,4,6-Tri- Terphenyl- <br /> Analyzed Client Id Lab Id phenol Phenol-d5 benzene-d5 biphenyl bromophenol did <br /> 03/25/97 CONVAULT 01 92 111 89 93 91 80 <br /> OC Limits 53-120 51-129 54-110 68-159 70-146 74-156 <br /> DATE EXTRACTED 03/20/97 <br /> DATE ANALYZED 04/03/97 <br /> SAMPLE SPIKED LCS <br /> INSTRUMENT 11 <br /> Laboratory Control Sample Recovery <br /> QC Limits <br /> Spike <br /> Added Percent Percent <br /> Analyte {ug/L) Recovery RPD Recovery RPD <br /> Phenol 196 66 <1 44-126 30 <br /> 2-Chlorophenol 199 76 5 50-145 30 <br /> 1 ,4-Dichlorobenzene 198 70 4 51-132 30 <br /> N-Nitrosodi -n-propy1amine 183 128 1 52-151 30 <br /> 1 ,2 4-Trichlorobenzene 220 70 4 51-128 30 <br /> A I'hl 7 4-L-1–L,..--1 1[]7 01 7 r_0 1 nn nn <br /> Y-411 I VI V-J-IIIc 411y I}lIIG11V I 1J/ Ul r- ,,J4 L,+V Ou <br /> Acenaphthene 186 107 10 58-139 30 <br /> 4-Nitrophenol 197 104 14 30-152 30 <br /> 2,4-Dinitrotoluene 254 81 10 60-128 30 <br /> Pentachlorophenol 185 75 7 30-160 30 <br /> Pyrene 238 86 24 40-130 30 <br /> Daily method blanks for all associated analytical runs showed no contamination <br /> at or above the reporting limit <br />