Industrial hygiene analytical report cover sheet, Dec 2001

NYC 9/11 Public Portal Document I Dec 20 01 05;ASp PSC Anaiytical Services 6109219667 p. 3

page 2 of 4 2ODECC1_1715_I3_N1261_RFR ■ ■■Ml INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING . EPA/NVLAP 101262-0 - NY DOH/NELAC 10903 • NJ DEP 77020 . AIHA ACCREDITATION NO. 10O43S . PA DEP 06-353 . CT DPH PH-0238 -.L..- — " • . • .:.r ■-..•■zs • NC DENR 599 ANALYTICAL SERVICES Client: ATC Associates Project: 209039 RESULT UNITS CONCENTRATION UNITS METHOD

ATC-t215-89IVI-VOC2 Air Volume: 18.15 L Lab Sample: 1474770 (S.+'f+<•!/!«- TO-l/TO-2 (TO-l 7) TOXIC ORGANICS IN AIR TO -T TO-2 Acrylonitrile < 0.03 ug/sampie <0.8 ppb Allyl chloride < 0.03 ug/sample < 0.5 ppb Benzene 0.11 ug/sample 1.9 ppb ■ Bromobenzene < 0.03 ug/sample < 0.3' ppb Carbon tetrachloride < 0.03 ug/sample <0.3 ppb Chlorobenzene < 0.03 ug/sample < 0.4 ppb Chloroform < 0.03 ug/sample < 0.3 ppb Cumene < 0.03 ug/sample < 0.3 ppb 1,2-Dichloroethane < 0.03 ug/sample < 0.4 ppb 1,2-bichloropropanG < 0.03 ug/sample < 0.4 ppb 1,3-Dichloropropane < 0.0 3 ug/sample < 0.4 ppb "'Ethylbenzene 0.18 ug/sample 2 .3 ppb Ethylene dibromide < 0.03 ug/sample < 0.2 ppb ''Heptane 0.07 ug/sample 0.9 ppb 1-Heptene <0.03 ug/sample < 0.4 ppb Methylene chloride < 0.03 ug/sample <0.5 ppb Tetrachloroethene (PCE) < 0.03 ug/sample <0.2 ppb 'Toluene 0.71E ug/sample 10.4 ppb 1,1,1 -Trichtoroethane < 0.0 3 ug/sample < 0.3 ppb Irichloroethene (TCE) < 0.03 ug/sample <0.3 ppb Vinylidene chloride < 0.03 ug/sample < 0.4 ppb Vinyl chloride < 0.03 ug/sample <0.6 ppb , -Xylenes (total) 0.94 ug/sample 12 ppb-'

F9Q6: “E" qualifier: compound concentration exceeds the calibration range.

ATC-1215-89M-VOC3 Air Volume: 15.90L Lab Sample: 1474771 '2-0' 1O-1/TO-2 (TO-17) TOXIC ORGANICS IN AIR T0-1/T0-2 Acrylonitrile <0.03 ug/sample <0.9 ppb Allyl chloride <0.03 ug/sample. <0.6 PPb Benzene <0.03 ug/sample < 0.6 ppb Bromobenzene < 0,03 ug/sample <0.3 ppb Carbon tetrachloride <0.03 ug/sample <0.3 ppb Chlorobenzene < 0.03 ug/sample < 0.4 ppb Chloroform < 0.03 ug/sample <0.4 ppb Cumene <0.03 ug/sample < 0.4 ppb 1.2-Dichloroethane < 0.03 ug/sample < 0,5 ppb t ,2-Dichloropropane < 0.03 ug/sample < 0.4 ppb 1,3-Dichloropropane < 0.03 ug/sempls < 0.4 ppb

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