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Indoor air quality field report, PS 89M, Feb 6 2002
Machine-extracted title · confidence 95%Field data sheet recording temperature, humidity, and gas levels at PS 89M to assess compliance with air quality guidelines.
NYC-WTC_000185971–000185978Page image
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OCR status: ocr · source: ours
NYC 9/11 Public Portal Document CITY 21MC100 003109733 TIME 1200 ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT LOCATION PS89M DATE 2/6/02 PROJECT NO. Location Occup Temperature Relative Tümidity 0%) Carbon Dioxide Cppoyee Curbon Mouoxide Cpm)- North Playground south Playurond south Exit 43.9 29. 2 445 44.0 43.7 29.9 450 30.3 456 SE Corner: 43.5 30.3 45| NE _Corner 30.5 OUTDOORS 44.0 459 North En.t 43.7 29.9 463 NW Corner sw Corner Inside North Ex.t Itsite South Ex.t Guideline levels ASHRAE/AIHA/EPA 43.9 30.9 466 44'2 31.0 475 70.1 69.8 68-75°F/winter 73-79°Fsummer 18.8 18.5 30-60% 509 517 Outdoor level + 700 ppm 2 ppm Comments: The assessed location(s) () Does () Does not meet established indoor air quality guidelines. Signature: goi Chan Date: 2/6/02 NYC-WTC_000185975 Page 5 of 8 19125-297 Respirable frrthallntesrigms VTVOCS (ppm) 44 43 40 38 42 41 44 40 20 19 65 ug/m" 24-hour average 1 ppm
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NYC-WTC_000185975Source: NYC Law Department, mirrored locally
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