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Capital Properties FOIL Request Response, Feb 2002

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A letter from Capital Properties submitting additional air quality monitoring results for Broadway and Trinity Place buildings to the DEP.

NYC-WTC_000132576–000132601
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NYC 9/11 Public Portal Document

Table Vib Volitile Organic Compounds Tentatively Identified Compounds

Tentatively Identified ACGIH OSHA NIOSH Sample Location Concentration Compounds v Ethane, 11-difluoro 0.0057 Isobutane 0.0055 800 Bu 2-methyl- 0.022 600 VOCI Unknown C2H3N 0.016 111-19 Octane 0.072 300 500 75 Decant 0.063 Heptane, 2,2,4,6,6-peutam 0.0081 Dodecane 0.018 Ethanol 0.0052 1,000 Butan 2-methyl- 0.017 600 1,000 120 Octane 0.08 300 500 75 VOC2 115-17 No 3-methyl- 0.013' Decane 0.069 -dimeth l- 0.0057 Dodecane 0.02 Norflurane 0.026 Ethane, 11-difluro- 0.03 Isobutane 0.011 800 Butane, 2-methyl- 0.064 600 1,000 120 VOC3 111-11 Unknown C2H3N 0.1 Cyclopentane 0.016 600 600 Octane 0.0087 300 500 75 Decant 0.037 Dodecane 0.026 Norflurane 0.0061 Dimeth l ether 0.014 Isobutane 0.0084 800 Butane 0.016 800 800 111-17 Ethanol 0.0084 1,000 1,000 100 VOC4 Bu 2-methyl- 0.03 600 1,000 120 Acetonitrile 0.018 40 40 20 Cyclopentane 0.0082 600 600 Decant 0.016 Dodecane 0.015 Butane, 2-meth 0.0082 600 1,000 120 Unknown C2H3N 0.0058 VOCS 115-3 Pen 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 Butan 2,3-dimeth l- 0.021 500 100 VOC6 115-13 Pentane, 3-methyl- 0.0083 500 100 Cyclopentane, methyl- 0.012 Octane 0.0099 300 500 75 Decane 0.012 Dodecane 0.0082 VOC7 115-15 No Volatiles Found 0.001 VOC8 115-13 Dodecane 0.01 Norflurane 0.0066 VOC9 111-15 Methane, chlorodifluoro- 0.0073 1,000 1,000 Methane, chlorodifluoro- 0.006 1,000 1,000 Decane 0.01 VOCl0 111-3 Octanal 0.0059 Dodecane 0.0081 Page 11 of 15

NYC-WTC 000132597

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NYC-WTC_000132597Source: NYC Law Department, mirrored locally

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