Capital Properties FOIL Request Response, Feb 2002

NYC 9/11 Public Portal Document 02/22/2002 14:37 FAX 212 980 5669 CAPITAL PROPERTIES QJ 23,

Table Vib Volitile Organic Compounds Tentatively Identified Compounds

Tentatively Identified Estimated Sample Location Concentration ACGIH OSHA NIOSH Compounds v Fthane, 1,1-difluoro 0.0057 Isobutane 0.0055 800 Butane,2-methyl- 0.022 600 VOCI 111.19 Unknown C2H3N 0.016 Octane 0.072 300 500 75 Decant 0.063 Hcptane, 2 '+ 4 6 6- 0.0081 Dodecane 0.018 Edtanol 0.0052 1,000 Bu 2-meth 1- 0.017 600 1,000 120 One 0.08 300 500 75 VOC2 115-17 Nonane 3-tttedt i- 0.013 Decane 0.069 Decant, 2 -dimeth l- 0.0057 Dodecane 0.02 Norflurane 0.026 Ethane 1 t-difluoro- 0.03 Isobutane 0.011 800 Butane 2-methyl- 0.064 60() 1.000 120 VOC3 Ill -IL Unknown C213N 0.1 (ycIopentanc 0.016 600 600 Octane 0.0087 300 500 75 Decane 0.037 Dodecane 0.026 Norfiurene 0.0061 Dimeth l ether 0.014 Isobutane 0.0084 800 Butane 0.016 800 800 VOC4 Ethanol 0.0084 1,000 1000 100 111-17 Butane, 2-methyl- 0.03 600 1,000 120 Acetonitrile 0.018 40 40 20 Cyclopentane 0.0082 600 600 Decane 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 Dodacane 0.015 Isobutane 0.0088 800 Butane 2-methyl.. 0.055 600 1000 120 Unknown C2H3N 0.013 Butane 2 3-dimeth l- 0.021 500 100 VOCE 115-13 Pentane. 3-methyl- 0.0083 500 100 .vclppcntanc, methyl- 0.012 Octane 0.0099 300 500 75 Decane 0.012 Dodecane 0.0082 VOC7 113.15 No Votatiles Found 0.001 VOCE 115-13 Dodecane 0.01 VOC9 111-15 Norf:urane 0.0066 Methane chlorodifluoro- 0.0073 1,000 1,000 Methane, chlorodifluoro- 0.006 1.000 1,000 Decane 0.01 VOCIO 111-3 Uctan•d 0.0059 Dodecanc 0.0081 Page 110115

NYC-WTC 000132571