NYC-WTC_000228683

NYC 9/11 Public Portal Document

Customer; ATC Associates SC/LAB FVLL SERVICE ENYIRONMENTAl lABORATORIES Workorder No. 0201-00105

Sample: 013 M833-1/14-13M: 2ND FLOOR HALLWAY 1ST DRAW (Continued)

Parameter Metl^ Results Units P2L Analyst Analysis Date Qual Copper 200.7, EPA 1987 0.3630 mg/L 0.005 TDJ 01/17/02 Iron 200.7, EPA 1987 ND mg/L 0.100 TDJ 01/17/02 Zinc 200.7, EPA 1987 0.4078 mg/L 0.03 TDJ 01/17/02 Manganese 200.7, EPA 1987 0.1052 mg/L 0.007 TDJ 01/17/02

Sample: 014 M833-1/14-14M: 2ND FLOOR HALLWAY 30 SEC FLUSH Date: 1/14/02 Matrix: WATER Parameter Med^ Results Units PQL Analyst Analysis Date Lead, Furnace EPA 200.9 ND mg/L 0.003 TDJ 01/18/02 Copper 200.7, EPA 1987 0.3590 mg/L 0.005 TDJ 01/17/02 Iron 200.7, EPA 1987 ND mg/L 0.100 TDJ 01/17/02 Zinc 200.7, EPA 1987 0.2952 mg/L 0.03 TDJ 01/17/02 Manganese 200.7, EPA 1987 0.1195 mg/L 0.007 TDJ 01/17/02

Sample: 015 xM833-l/14-15M: BLANK Date: 1/14/02 Matrix: WATER Parameter Method Results Units Analyst Analysis Date Qual Lead, Furnace EPA 200.9 ND mg/L 0.003 TDJ 01/18/02 Copper 200.7, EPA 1987 ND mg/L 0.005 TDJ 01/17/02 Iron 200.7, EPA 1987 ND mg/L 0.100 TDJ 01/17/02 Zinc 200.7, EPA 1987 0.0480 mg/L 0.03 TDJ 01/17/02 Manganese 200.7, EPA 1987 ND mg/L 0.007 TDJ 01/17/02

Certifications: MA; MA069 NY:10982 CT:PH0119 RI:A45 CA:2050 ME:MA069 NJ: 59744 Page: 5 of 6

CITY_21MC100_002901328

NYC-WTC_000228687