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NYC-WTC_000222474

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000222474–000222481
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NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC. Piige2_(>f^ TIME SCO INDOOR AIR QUALITY FIELD REPORT

LOCAI ION DATE PROJECT NO. mas- Locatibii Qpcup' yY TeinperatureScY /./S Relative/ . ■ Carhoifr Dioxide J3arboil MoIIoxide 7.^<ji;,R6'^pii;aBie:.- - /.. <:woqs' •1 ("O ■ . liiiinidit3/('^.). - (ppm)- - -■ (ppm) /Partieulates(iig/nr) (lipiny-

50 j ■2, 76.1 5 y S3o <3 IH o

5aa 5 IS So / fHA/i ) 75. I a. o 5o H Cmaii ) 'T-c-o 7^S ^3 a 7S-C/ GJZ.j a \8 o 5 iS Chfiii) 1-5 c T-(>H 5 J?3 O

So6 3o 26J gys 3G 0 5/0 77.0 57 O neo 3 36 o 5 Cuaii ) 75-6 53.7 Q ) o __ 4ql — •75.6 53.3 65^7 3>M O Giirtleliiie levels 68 -75“F/winter 30-60% Outdoor level + 9 ppm 65 ug/im 1 ppm ASHRAE/AIHA/EPA 73 -79"F/siiininer 700 ppm 24-lionr average n

ISJ (?()iiiineii(s: £n o The iissesscil locntioiifs) () Does () Does not meet established indoor air quality guidelines. o I o o Signature: Date: M f iS fol. o o

NYC-WTC_000222476

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NYC-WTC_000222476Source: NYC Law Department, mirrored locally

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