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Indoor Air Quality Field Report, May 2002, 100 Trinity Place

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Field report containing indoor air quality data for 100 Trinity Place collected in May 2002.

NYC-WTC_000180049–000180060
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NYC 9/11 Public Portal Document SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008 CONFIDENTIAL, CITY_21MC100 003462607 NYC-WTC_000180050 ATC ASSOCIATES, INC. Page 1_ot_10 INDOOR AIR QUALITY FIELD REPORT Time: SAn LOCATION: 100 Trinity Place /1S for Economics And Finances DATE:51702PROJECTNO: 15-19125-0291 * Location Occupants Temperature (F) Relative Carbon Humidity, Dioxide Carbonce- Respirable ATVOCS Monoxides Partieulate (ppm)* (%) sina •-(ppm) (ppm)2 s (ug/m)2 OutDoors eXiT MAIN ENTFY 75.6 46.7 467 60 OuI DoOrs EXIT MAIN ENRY 759 46.7 492 SOUTH 60 Oul Door EXT MAIN EMTRY 75.1 467 NORTH 454 60 TOTH FLOOR HAIIWAY 18,5 44.6 491 15 LIBRARY 2 78,6 44.1 561 K- 1006 78.3 44,5 429 14 STAIRCASE A qTH FLOCR 773 447 501 16 15 9T FLOOR C 76.4 419 570 HAiLNAy 16 £-915 763 418 496 1 Rm-933 761 42.6 477 17 Guideline levels 68-75°F/winter 30-60% Outdoor level 9ppm 15 65 ug/m 1ppm ASHRAE/AIHA 73-79 "F/summer + 700 ppm Comments: NA Tie assessed location(s) () Does () Does not meet established indoor air quality guidelines. signatureskue Z bgch l Date: 517-02

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NYC-WTC_000180050Source: NYC Law Department, mirrored locally

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