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Indoor air quality field report, PS 234M, Jan 2002

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Field data sheet recording indoor air quality parameters including temperature, humidity, and gas levels at PS 234M on January 25, 2002.

NYC-WTC_000177855–000177857
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Scanned page image, NYC-WTC_000177857
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NYC 9/11 Public Portal Document SUBJECT IO PROTECTIVE ORDER NO. CONFIDENTIAL, SEPT. 2008 CITY_21MC100_003444706 NYC-WTC_000177857 TIME 13:40 ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT LOCATION PS234M DATE. 1/as/02 _ PROJECT NO.. *Location s Осcupа yTem peratuire., E(F) pr Relatives Humidity (%* CArbon Dipxides Carbon Monosile S4(pm) E(opm aar 722 - 63.1 30.7 583 220 (HAII) 220 64.0 31.0 585 64-4 31.4 630 216 64.9 31.5 583 227(HAIl) 66.5 31.1 554 223 67.1 29.5 219 a06(Assembly) 211 67.7 29.8 539 564 66.5 66.9 30.2 200 664 591 Stair # 2 Guideline levels ASHRAE/AIHA/EPA 666 68-75°F/winter 73-79"Fsummer 30.0 30-60% 626 Outdoor level + 700 ppm 9 ppm Comments: The assessed location(s) ( ) Does () Does not meet established indoor air quality guidelines. Signature: Air Che Date: 1/25/02 Page 2or 3 19125-279 2kespurable Particulates(ug/m ANOC 20 21 19 16 19 19 17 17 20 65 ug/m* 24-hour average 1 ppm

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NYC-WTC_000177857Source: NYC Law Department, mirrored locally

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