Industrial hygiene analytical report cover sheet, Dec 2001

NYC 9/11 Public Portal Document

Dec 20 01 05:49^ PSC Rnalytical Services 6109219667 p-

page 3 of 4 20DEC01_1715_l3_N1261_RFR

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING • EPA/NVLAP 101262-0 • NY DOH/NELAC 10903 • NJ DEP 77020 • AIHA ACCREDITATION NO. 100439 ■ PA DEP 06-353 ■ CT DPH PH-023B - NC DENR 599 ANALYTICAL SERVICES Client: ATC Associates Project; 209039 RESULT UNITS CONCENTRATION UNITS METHOD

ATC-12T5-e9M-VOC3 Lab Sample: 1474771 - continued

''"Ethylbenzene 0 .05 ug/'sample 0.7 ppb—-" Ethylene dibromide < 0.03 ug/sample < 0.2 ppb ' Heptane < 0.03 ug/sample < 0.5 ppb 1 - Heptene <0.03 ug/sample < 0.5 ppb Methylene chloride < 0.03 ug/sample < 0.5 ppb Tetrachloroethene (PCE) < 0.03 ug/sample < 0.3 PP*’ '''“Toluene 0 . OS ug/sample 1,3 ppb"^ 1,1,1-Trichloroethane < 0.03 ug/sample < 0.3 ppb Trichloroethene (TCE) < 0.03 ug/sample < 0.4 ppb Vinylidene chloride < 0.03 ug/sample < 0.5 ppb Vinyl chloride < 0.03 ug/sample < 0.7 ppb Xylenes (total) 0.23 ug/sample 3.3 ppb

ATC-1215-89M-VOC4 Air Volume; 17.25 L Lab Sa.mple: 1474772

TO-l/TO-2 (TO-17) TOXIC ORGANICS IN AIR T0-1/T0-2 Acrylonitrile < 0.03 ug/sample < o.e PPb Allyl chloride < 0.03 ug/sample < o.e PPb Benzene < 0.03 ug/sample < 0.5 ppb Bromobenzene < 0.03 ug/sample < 0.3 ppb Carbon tetrachloride <0.03 ug/sample < 0.3 ppb Chlorobenzene < 0.0 3 ug/sample < 0.4 PPb Chlorolorm < 0.03 ■ug/sampie < 0.4 ppb Cumene < 0.03 ug/sample < 0.4 ppb 1,2-Dichloroethane < 0.03 ug/sample < 0.4 ppb 1,2-Dichlotopropane < 0.03 ug/sample < 0.4 ppb 1,3-Dichloropropane < 0.0 3 ug/sample < 0.4 ppb Ethylbenzene < 0.0 3 ug/sample < 0.4 ppb Ethylene dtbromide < 0.03 ug/sample < 0.2 ppb Heptane < 0.03 ug/sample < 0.4 ppb , !-Heptene < 0.03 ug/sample <0.4 ppb ^Methylene chloride 0.15 ug/sample 2.7 PPb-^ Tetrachloroethene (PCE) < 0.03 ug/sample <0.3 ppb Toluene 0 . OS ug/sample 0.9 ppb^" 1,1,1-Trichloroethane < 0.03 ug/sample < 0.3 ppb Trichloroethene (TCE) < 0.03 ug/sample <0.3 ppb Vinylidene chloride < 0.03 ug/sample < 0.4 ppb Vinyl chloride < 0.03 ug/sample <0.7 ppb

4418 POTTSVILLE PIKE, READING, PENNSYLVANIA 19606 61D-821-BB33 FAX 610-921-9667

CONFIDENTIAL, SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT 2008 CITY_21 MC100_014660238

NYC-WTC_000174786