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← Document results/DEP Box 02/104 TRINITY PLACE Block: 52 Lot: 15
Document / 26 pages

Cover letter enclosing air quality reports, Trinity Place, Jan 2002

Machine-extracted title · confidence 95%

Letter from American Stock Exchange enclosing air and bulk sampling reports for Trinity Place properties dated late 2001.

NYC-WTC_000095084–000095109

Folder label: “104 TRINITY PLACE Block: 52 Lot: 15

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Scanned page image, NYC-WTC_000095088
OCR text

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NYC 9/11 Public Portal Document

09,`28/2e61 10:14 6315883195 EMVIROSCIEtsICECNSLTAN PAGE 05

American Stook EXoltange,28 September 2001

Main Trading Floor upper level 580 < 5.0 <0% <0% <0% SecE 15th floor 1506 480 90 <99% <1% <0% 12th floor central 460 84 <99% <1% <0° o

10th floor central 540 < 5.0 <1% <0% <0% 7a.floor 718 480 64 <99% <1% <0% Harry's Trading floor Post 600 < 5.0 <1% <0'/% <0% 25/C21

22 Thames Street & 65 Broadway Respfrale Dust in Air Results Location Air Volume Results 1-5um. 6-10pm > i Ohara Liters ;.giro' Red room post 21 MF8. 22 500 < 5.0 <1% <0% <0% Thames 10" floor Center, 22 Thames 660 225 96% 4% <0% 91' Floor Center, 22 Thames 716 190 95% 5% <0% T`' Floor Center, 22 Thames 836 194 95% .5% <0% 1711, F1oor Center, 65 Broadway 600 384 91% 8% <1% 16I Floor Center, 65 Broadway * 580 337 90% 9% <1%

The respirable dust mass results indicate that some indoor environments are very dusty. The particle size distribution indicates that where the particulates are found they are very small and the occupants will have dry scratchy throats and coughing. The trading ar ts and other areas have below detectable limits of resprable dust. The dust was created by the catastrophe and came in openings in the building created by the catastrophe and open doors and open windows.

The cleaning process on the floors and the .leaning of the HVAC system currently progress will significantly reduce the dust levels on the floor.

Polychlorinatedbiphenyis (PCBs) are produced through combustion of fuels and plastics and are found in electrical insulation material and tlectricat ballasts in lights. The PCB in air samples were collected from areas considered representative of the building. Two samples were collected from the trading floors and one sample was collected from the 9 ' and i.0"' floor of22 Thames Street to characterize the building and accelerate the building screening process. The PCB in air results are presented in the table below. Page 4 of 9

NYC-WTC 000095088

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NYC-WTC_000095088Source: NYC Law Department, mirrored locally

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