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Indoor air quality field report, PS 89M, Jan 11 2002

Machine-extracted title · confidence 95%

Field report documenting indoor air quality measurements including temperature, humidity, and TVOCs at PS 89M on January 11, 2002.

NYC-WTC_000174714–000174721
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Scanned page image, NYC-WTC_000174719
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NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC. TIME INDOOR AIR QUALITY FIELD REPORT LOCATION PS^S^H date |/!/ Aoo3^ PROJECT NO. j 9 0X51- \louV-yCxTN Ml , leiiipeialiii-e Relalivc Carlmii Monoxide IVOC, I lliiiiiidilv (" ; III) (ppm) ‘' ______

ILLS A?.3 ^65 I a O TS 8z ^<7 ^2- e>-G ^538 3 O- O o m

- e! 3 0.32 o -o \ O --O co m O 10. f ^7.1 £ O 5O I Y O’. 5" ^3.$ \ o• o rn o

m a2:^%55J_ O ■ G O zn o m jj fi-o ^3.J Y<?3’ c? » 6 P P W m .^32. o - <!> 8 03 n lZ 43 'I J 3 o ^34 6^.4 4^ 6 / 0.O Guideline levels 68 -75’F/winter 30-60% Outdoor level + 9 ppm 65 ugTnia 1 ppm ASHRAE/AIHA/EPA 73 -79"F/sunnner 700 ppm 24-hour average

o Comments:

'53 The assessed location(s) () Does ( ) Docs not meet established indoor air quality guidelines. o o Date; / / i| ( d Signature:

8 8 ro

NYC-WTC_000174719

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NYC-WTC_000174719Source: NYC Law Department, mirrored locally

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