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Indoor Air Quality Field Report, May 8, 2002, 100 Trinity

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Field report containing indoor air quality data for 100 Trinity Place collected on May 8, 2002.

NYC-WTC_000180005–000180014
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NYC 9/11 Public Portal Document SUBJECT CONFIDENTIAL, 2008 CITY_21MC100_003462515 NYC-WTC_000180008 ATC ASSOCIATES, INC. Page 4 of _10_ INDOOR AIR QUALITY FIELD REPORT Time:/0:/2Am LOCATION: 100 Trinity Place /HS for Economics And Pinances DATE: 5/8/02 PROJECTNO: 15-19125-0291 aLocations AOccupants- Temperature Cae Relatiye LeAcorbon Crbon a Respirablę Humidtay Diosdo Monoxidoe arficulate ayOes (ppm (ppm) (ppm) s (ug/m) Room# 605 Room# 604 Hallway ouTsIOF Roant 664 Room # 509 RomA 507 tallotan atside room #5ou STAIR CASE 'À' TODEA F oup 23 22 25 12 3 Room # 410 Room # 409 Room I1 408 Guideline levels ASHRAE/AIHA 23 80.9 809 80'3 807 80.6 80.6 80.4 60.9 81.1 80:1 68-75°F/winter 73-79 °F/summer 44.1 41.6 40.9 42.1 40•5 39.8 39.2 39:9 407 39.2 30-60% 885 910 10 0 д 0•0 798 1221 ( 836 ( 10 17 P 00 00 0.0 710 158 10 0.0 00 691 816 0.0 0.0 Outdoor level + 700 ppm 9 ppm 9 65 ug/m 0.0 1 ppm Comments: The assessed location(s) () Does () Does not meet established indoor air quality guidelines. signature: t. Date: 518/02

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NYC-WTC_000180008Source: NYC Law Department, mirrored locally

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