Cover letter enclosing air and bulk sampling results for 86 Trinity Place, 22 Thames, and 65 Broadway.
NYC-WTC_000105069–000105153Folder label: “125 GREENWICH STREET Block: 51 Lot: 14 BIN: 1001034 18-22 Thomas Street, 129 Greenwich St”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
09,28120@'? i6i:14 6315803195 EhVtROSr_.IENCEc I-TAN PAGE 04
American Stock Exchange, 28 September 2001
86 Trinity Place Lead in Air Results Location Air Volume Liters Results µghn' Post 2 Sec A Main Trading 1,200 < 5.0 Floor Post 8 Sec G Main Trading 1,200 < 5.0 Floor 15t° floor north side 1,200 39; 12°' floor central 1,200 445 10`" floor central 1,200 < 5.0 7°i floor central 1,200 < 5.0 Harry's Trading floor 1,200 < 5.0
22 Thames Street Lead in Air Results Location Air Volume Liters Results tg/m' Red room post 21 MF8 1,200 < 5.0 10' floor north side 2,450 <t.0 Y' floor central 1,580 9.0 7th floor central 2,020 11.0
Except for the 15s' floor and the 12e floor these values are all less than the OSHA lead PEL of SO w.g/m'. Before and during the time of air sampling the fire escape doors to these floors were left open all day and all night to cool the floor. It is believed that the lead in these samples blew in through the open fire escape doors and deposited on the filter media of the samples. We believe that the lead levels in these spaces were temporary and that they settled to the floor. Tne. 15' floor and 1? floor were re- sampled on September 29t1, 2001, to more fully characterize the lead in air values.
The respirable dust (breathable) in air samples were collected from areas considered representative of the building. Respirable dust samples were collected to show particle dust mass and the disµibuticn of particle size. Only one sample was collected from each area to speed up the building screening process. The respirable dust in air results are presented in, the tables below.
86 Trini • Place Respirable Dust in Air Results Location Air Volume Results 1-5pm 6-10mr. >10 am Liters izgim' Post 2 Sec G Main Trading 600 < 5.0 <l%, <0'le <0% Floe:
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NYC-WTC 000105072
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