NYC-WTC_000226865

NYC 9/11 Public Portal Document

PSC Analatical Services 6109219667 p. 9 Jan 21 02 09:503

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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-0238 • NC DENR 599

Project; 209291 RESULT UNITS CONCENTRATION UNITS METHOD

ATC-Oni-89M-VOC2 Air Volume; 22.5 L A Lab Sample; 1475965

TO-l/TO-2 aO-17) TOXIC ORGANICS IN AIR TO-l/TO-2 Acrylonitrile < 0.025 ug/sample <0.51 ppb Allyl chloride < 0.025 ug/sample <0.35 ppb Benzene-"^ 0.037 ug/sample 0.51 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-DichIoropropane < 0.025 ug/sample < 0.24 ppb 1,3-Dichloropropane < 0.025 ug/sample < 0.24 ppb Ethylbenzene < 0.025 ug/sample <0.26 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 0.176 ug/sample 2.25 ppb Tetra chloroethene (PCE) < 0.025 ug/sample < 0.16 ppb Toluene — 0,052 ug/sample 0.61 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) 0.025 ug/sample 0.26 ppb

ATC-om-89M-VOC3 Air Volume; 22.8 L Lab Sample: 1475966

TO-l/TO-2 (TO-17) TOXIC ORGANICS IN AIR T0-1/T0-2 Acrylonitrile < 0.025 ug/sample <0.51 PPb Allyl chloride < 0.025 ug/sample < 0.35 ppb Benzene-^ 0,036 ug/sample 0.49 PPb Bromobenzene < 0.025 ug/sample < 0.17 ppb Carbon tetrachloride < 0.025 ug/sample <0.17 ppb Chlorobenzene < 0.025 ug/sample < 0.24 ppb Chloroform < 0.025 ug/sample < 0.22 ppb Cumene < 0.025 ug/sample < 0.22 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 < 0.025 ug/sample < 0.25 ppb Ethylene dibromide < 0.025 ug/sample < 0.14 ppb Heptane < 0.025 ug/sample < 0.27 ppb

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