Indoor air quality field report, March 2002

NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC. PageAol_^ TIME j f 3/ INDOOR AIR QUALITY FIELD REPORT

LOCATION DATE - J? O'O PROJECT NO. (7^?^/

- .XocatiqnT'J’W, CarSonDiokiiJe CarbonAlqnQxide ,« topii-alJle. , . TVOCs Humidity' (Vo), (PP"^S5. PartiGujotes(pg/gi^) (ppm) r=*.w;sr s .■w& ___ ci—— ^}(7e7&r- __ G to //CUzi I 3 7. « O. O G M O H 4^./ 4^ 3 / <9. O H O / G /■fc AbtTty <7 73 O H M /O Ui ■^' ■ o 70. 0 y/.j 3o 9 ao O O H O < M G H OJth'C T <9 Ss^.o 777 (0 0> O V a D H S H fl^l 0 70.^ ^70 1 o o M H V > f2 S o ' ,2/ 70. O 37. 7 ^77 9 <9 9

O 3 3^ c’ o CO M hj H 0 3J. I 3 77^ 9 O. O . g ^5-^ O 6> T/- 0 2. 9 o O CO Guideline levels 68 -75T/n inter 30-60% Outdoor level + 9 ppm 65 ug/n? 1 ppm o 73 -79”F/siinimer 700 ppm 24-hour average ASirRAE/AIIIA/EPA H KJ I ho Conmients: s O o o The assessed location(s) () Does () Does not meet established indoor air quality guidelines. I o o co Signature: Date: O CT CO

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NYC-WTC_000179444