NYC-WTC_000228683

NYC 9/11 Public Portal Document

Customer: ATC Associates

FULL SERVICE ENVIRONMENTAL LABORATORIES Workorder No. 0201-00105

Sample: 007 M833-1/14-7M: STH FLOOR CAFETERIA 1ST DRAW (Continued)

Date: 1/14/02 Matrix: WATER Parameter Method Results UniU PQL Analyst Analysis Date Qual Lead, Furnace EPA 200.9 0.003 mg/L 0.003 TDJ 01/18/02 Copper 200.7, EPA 1987 0.3862 mg/L 0.005 TDJ 01/17/02 Iron 200.7, EPA 1987 0.2432 mg/L 0.100 TDJ 01/17/02 Zinc 200.7, EPA 1987 0.2777 mg/L 0.03 TDJ 01/17/02 Manganese 200.7, EPA 1987 0.0816 mg/L 0.007 TDJ 01/17/02

Sample: 008 M833-1/14-8M: STH FLOOR CAFETERIA 30 SEC FLUSH Date: 1/14/02 Matrix: WATER Parameter Method Results UniU PQL Analyst Analysis Date Qu^ Lead, Furnace EPA 200.9 ND mg/L 0.003 TDJ 01/18/02 Copper 200.7, EPA 1987 0.3109 mg/L 0.005 TDJ 01/17/02 Iron 200.7, EPA 1987 0.2152 mg/L 0.100 TDJ 01/17/02 Zinc 200.7, EPA 1987 0.1476 mg/L 0.03 TDJ 01/17/02 Manganese 200.7, EPA 1987 0.0826 mg/L 0.007 TDJ 01/17/02

Sample: 009 M833-1/14-9M: 6TH FLOOR HALLWAY 1ST DRAW Date: 1/14/02 Matrix: WATER Parameter Method Results Units PQL Analyst Analysis Date Qu^ Lead, Furnace EPA 200.9 ND mg/L 0.003 TDJ 01/18/02 Copper 200.7, EPA 1987 0.2865 mg/L 0.005 TDJ 01/17/02 Iron 200.7, EPA 1987 0.1401 mg/L 0.100 TDJ 01/17/02 Zinc 200.7, EPA 1987 0.2362 mg/L 0.03 TDJ 01/17/02 Manganese 200.7, EPA 1987 0.0813 mg/L 0.007 TDJ 01/17/02

Sample: 010 M833-1/14-10M: 6TH FLOOR HALLWAY 30 SEC FLUSH Date: 1/14/02 Matrix: WATER

Certifications; MA: MA069 NY:10982 CT; PHOl 19 RI;A45 CA;2050 ME:MA069 NJ: 59744 Page: 3 of 6

CITY_21MC100_002901326

NYC-WTC_000228685