Indoor air quality field report, P.S. 150M, April 2002

NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC. Page 3 of “I riMEH^ INDOOR AIR QUALITY FIELD REPORT

LOCATION PSI5Q M DATE S/,| PROJECT NO. 191 as-

Occuii., Temperature Relative; Carbon Dioxide Carbori Monoxide. . ,. - Respirable . TVOCs; Location < ■; ("L) /, ' Humidity (%), ? / ;tppni)- (PP»i) Particulates QigZnP) ; XPP*nr

„H,> 11 V . ■6tL;|, S „ )e IlJL 35 C 7ic I C

Lvi g_ iZeM lid I c; I 73 5 3 0.5 75^; I I Ci

. K, kUvo 1 73 H •H- ( Pt-e I ■Jo

M . •, ■'1 Jc I 'i I. fe6 / / ■21 C

k‘^ t St-C .'--- 3j- ( .•2 3x c Hot, .3 5 7$ 2 96 o t t G c; H C H f Hn H ) 1-^ 3 3 3 (J J2l O

^5 1 46=7 1 O

-Jk.|J_hy 5JLLoiCjJ__ ( c__ o Guideline levels 68 -75"F/winter 30-60% Outdoor level + 9 ppm 6.5 ug/n? 1 ppiii 73 -79''F/siimmer 700 ppm 24-hour average H K asiirae/aiiia/epa I to. S' O ( oininents: o o Io The assessed l(»c:i(ioii(s) () Does ( ) Docs not meet established indoor air quality guidelines. o co Signature: Date: l3 co I co OS

NYC-WTC_000178732