NYC-WTC_000208018

NYC 9/11 Public Portal Document ®0l)6 P,03/05 781 337 7G42 TO 12123538306

Customer: ATC Associates SC/LMB mu, sBiVicE Emnomugniu. uao/urmoEs WorkorderNo, 0201-00106

Sample: 003 M8334/14^P: STH FLOOR tOTCHEN (Continued)

Parameter Method Results Units PQL Analyse Analysis Date Qual pH 4500“>H.BSM18TH, 1 ToT S-U. 0 SMH 01/15/02 Conductivity 251OB SMI 8TH, 1992 121.8 umho/cm 0 SG 01/16/02 Free Residual Chlorine 40SD,SM16THBD ND mgZL 0.1 SMH 01/15/02

Sample; 004 M833-1/14-4P: STH FLOOR CAFETERIA Date: 1/14/02 Matrix; WATER Parameter Method Results Analyst Analysis Date Turbidity 2540DSM 18TH, 199 2.31 NTU SG 01/15/02 Color 2120C SMI STH, 1992 23 C« 5 SG 01/15/02 Odor 2Z50SM18TH, 1992 ND ton 1 SMH 01/15/02 pH 4500-H-.BSM18TH,l 7.16 S.U. 0 SMH 01/15/02 Conductivity 2510B SM 18TH, 1992 136.7 uraho/cra 0 SG 01/16/02 Free Residnal Chlorine 408D,SM16THED ND mg/L 0.1 SMH 01/15/02

Sample; 005 M833-1/14-5P: 6TH FLOOR HALLWAY Date: 1/14/02 Matrix: WATER Parameter Method Results POL Anabat Analysis Date Qua! Taibidity 25400 SM I STH, 199 NTU 1 SG 01/15/02 Cotor 2120C SMISTH, 1992 20 Cu 5 SG 01/15/02 Odor 2150SM1 STH, 1992 ND ton 1 SMH 01/15/0.2 pH 45OO.H’B SM 18TH, I 7.16 S.U. 0 SMH 01/15/02 Conductivity 2510B SM 18TH, 1992 124.5 umho/cm 0 SG 01/16/02 Free Residual Chlorine 4O8D,SM1€THED ND mg/L 0.1 SMH 01/15/02

Sample: 006 MS33-m4-6P: 3RD FLOOR hallway Date: 1/14/02 Matrix; WATER Parameter Method Results Unite Analyst Analysis Date Quat Turbldiiy 2540D SM 18TH, 199 2.84 Wu 1 SG 01/15/(52

Ceitifications; MAMAQ69 NY:10982 CT: PHO 119 RI:A45 CA:2O5O ME’MAOfiQ NJ; 59744 Page; 2 of 3 CITY_21MC1OO_OO3O18399

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