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Document / 26 pages

Air quality monitoring records, 111 and 115 Broadway, Feb 2002

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Additional air quality monitoring documentation and test results for multiple Broadway commercial locations.

NYC-WTC_000132602–000132627
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NYC 9/11 Public Portal Document

Table Vib Volatile Organic Compounds Tentatively Identified Compounds ted Tentatively Identified ACGIH OSHA NIOSH Sample Location Conceneratton Compounds my m Ethane, 11-difluoro 0.0057 Isobutane 0.0055 800 Bu 2-methyl- 0.022 600 Unknown C2H3N 0.016 VOCI 111-19 Octane 0.072 300 500 75 Decane 0.063 Hptane, 2,2,4,6,6-pentam 0.0081 Dodecane 0.018 Ethanol 0.0052 1,000 BWane, 2-methyl- 0.017 600 1,000 120 Octane 0.08 300 500 75 VOC2 115-17 Nonane, 3-methyl- 0.013` Deanne 0.069 1- 0.0057 Dodecane 0.02 Norflurane 0.026 11-difluoro- 0.03 Isobutane 0.011 800 Bu 2- 0.064 600 1,000 120 VOC3 -I Ill 1 Unknown C2H3N 0.1 Cyclopentane 0.016 600 600 Octane 0.0087 300 500 75 Deane 0.037 Dodecane 0.026 Norflurane 0.0061 Dimethyl ether 0.014 Isobutane 0.0084 800 Butane 0.016 800 800 VOC4 111-17 Ethanol 0.0084 1,000 1,000 100 Butane, 2-methyl- 0.03 600 1,000 120 Acetonitrile 0.018 40 40 20 Cyclopentane 0.0082 600 600 Deane 0.016 Dodecane 0.015 Butane 2-methyl- 0.0082 600 1,000 120 Unknown C2H3N 0.0058 VOCE 115-3 Pentane, 2-methyl- 0.0073 500 100 Decane 0.018 Dodecane 0.015 Isobutane 0.0088 800 Butane, 2-methyl- 0.055 600 1,000 120 Unknown C2H3N 0.013 Butane, 3 1- 0.021 500 100 VOCE 115-13 Pen 3-methyl- 0.0083 500 100 Cyclopentane, methyl- 0.012 Octane 0.0099 300 500 75 Deane 0.012 Dodecane 0.0082 VOC7 115-15 No Volatiles Found 0.001 VOCS 115-13 Dodecane 0.01 Nortlurane 0.0066 VOC9 111-15 Methane, chlorodifluoro- 0.0073 1,000 1,000 Methane, chlorodifluoro- 0.006 1,000 1,000 Decane 0.01 VOCIO 111-3 Octanal 0.0059 Dodecane 0.0081 Page 11 of 15

NYC-WTC 000132623

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NYC-WTC_000132623Source: NYC Law Department, mirrored locally

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