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Indoor Air Quality Field Report, P.S. 150M, Apr 2002

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Field report containing temperature, humidity, and gas readings from indoor air quality testing at P.S. 150M.

NYC-WTC_000177938–000177941
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NYC 9/11 Public Portal Document SUBJECT IO PROTECTIVE ORDER NO. CONFIDENTIAL, SEPT. 2008 CITY_21MC100_005759566 NYC-WTC_000177939 TINE1030 ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT lage 2014 LOCATION PS150 M DATE 4/15/02 PROJECTNO. 19125- 289 Location Occup: Temperature ("F) Relative Humidity (%) Carbon Dioxide (ppm) Carbon Monoxide (ppm) Respirable Particulates(ug/m) Main Lukty Mun Fuyer Hall bi Wiat stuire Mai Dek. Ed's Reimn 73.5 54.4 561 28 71.5 55 5. 528 24 70.6 565 553 50% 544 26 7 71.7 579 634 18 Main Oftice 3 721 513 20 Gu.dune Rm 5 Z1.E 57.7 Gr. 6 23 Hall by Girls Bms. Hall.by baps Rm Fust Sturs Hollbttalime levels ASHRAВАНA/EA 72.0 72.2 72.5 68-75T/winter 73-79"F/summer 5F.6 57.7 569 571 20 51.5 301-60% 57L Ontdoor level + 700 ppm 2 ppm 65 ug/m" 24-hour average Comments: The assessed location(s) ( ) Does ( ) Does not meet established indoor air quality guidelines. Signature: qricer Date: 4/15/0L TVOCS (Ppm) C 1 ppm

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NYC-WTC_000177939Source: NYC Law Department, mirrored locally

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NYC-WTC_000177962

Data sheet recording environmental parameters including carbon dioxide and particulate levels at P.S. 150M.

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