NYC-WTC_000226865

NYC 9/11 Public Portal Document

Jan 21 02 09:50a PSC Rnalatical Services Sia3219SG7 P- 8

page 1 of 3 21JAN02_0931_13_N 724 7_R FR

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING . EPA/NVLAP 101262-0 • NY DOH 10903 . NJ DEP 77678 . AIHA ACCREDITATION NO. 100439 . PA DER 06-353 • CT DPH PH-Q238 • NC DENR 599 ANALYTICAL SERVICES

ANALYTICAL REPORT

Client; ATC Associates Project; 209291 Received; 14-JAN-02 Report to: James Cohn Reported: 21-JAN-02 ATC Associates 104 East 25th Street 10th Floor New York NY 10010-2917

Project Description; 19125-0297: TO-17

Sampled: 11-JAN-02

RESULT units CONCEMTRATION UNITS METHOD

ATC-0111-89M-VOC1 Air Volume: 22.5 L Lab Sample: 1475964

TO-lZTO-2 (TO-17) TOXIC ORGANICS IN AIR T0-1/TQ-2 Acrylonitrile < 0.025 ug/sample <0.51 ppb Allyl chloride < 0.025 ug/sample < 0.35 Ppb Benzene-^ 0.068 ug/sample 0.95 PPb Bromobenzene < 0.025 ug/sample < 0.17 ppb Carbon tetrachloride < 0.025 ug/sample < 0.18 ppb Chlorobenzene < 0.025 ug/sample <0.24 ppb Chloroform < 0.025 ug/sample < 0.23 ppb Cumene < 0.025 ug/sample < 0.23 ppb 1,2-Dichloroethane < 0.025 ug/sample <0.27 ppb 1,2-Dichloropropane < 0.025 ug/sample < 0.24 ppb 1,3-Dichloropropane < 0,025 ug/sample <0.24 ppb Ethylbenzene""^ 0.029 ug/sample 0.30 ppb Ethylene dibromide < 0.025 ug/sample <0.14 ppb Heptane < 0.025 ug/sample <0.27 ppb 1-Heptene < 0.025 ug/sample < 0.28 ppb Methylene chloride < 0.025 ug/sample < 0.32 ppb Tetrachloroethene (PCE) < 0.025 ug/sample <0.16 ppb Toluene—"" 0.117 ug/sample 1.38 ppb 1,1,1 -Trichloroethane < 0.025 ug/sample <0.20 ppb Trichloroethene (TCE) < 0.025 ug/sample < 0.21 ppb Vinylidene chloride < 0.025 ug/sample < 0.28 ppb Vinyl chloride < 0.025 ug/sample < 0.43 ppb Xylenes (total) 0.088 ug/sample 0.90 ppb

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