Document 91YK7ZNaV6zRz1eykdeKpMN4L

AR226-2527 REMOVING THE 1.4X FACTOR FROM EXPERIMENTAL STATION C-3 IN WATER RESULTS, HERE IS A COMPARISON OF THE MOST RECENT SAMPLES: C-8 SAMPLE EXP ST (PPB) CH2MHILL fPPB) CH2M C9(%) CH2M Cll(%) LAB BLANK --- < 0.1 82 74 TW-27 DUPLICATE 4.7 4.3 2.5 3.2 63 45 75 46 TW-M4 DUPLICATE 1.3 1.7 0.7 0.6 87 72 74 45 TW-331 DUPLICATE 1.0 1.4 0.6 76 49 0.6 85 61 TW-33 DUPLICATE 94 100 75 46 78 34 73 37 NOTE: C9 AND Cll ARE CH2MHILL SURROGATES WITH % RECOVERY SHOW4. MIKE RJZ007656 EID256137