NYC 9/11 Public Portal Document
ATC ASSOCIATES, INC
104 E 25th Street, 10th Floor
New York, NY 10010
Tel. 212-353-8280
Fax 212-353-8306
PCM ANALYSIS
Enclosed you will find the results of our analysis of air samples collected by you and Submitted
to this laboratory.
These air samples were analyzed by the National Institute of Occupational Safety and Health
(NIOSH) Method #7400 (Revision #3,1994) for determination of fiber concentrations. Total fiber
counts should be used when assessing overall air quality according to the appropriate OSHA, EPA,
State and City Regulatory Standards. ATC Associates is accredited by New York’s Department of
Health (ELAT ID 10879) for the analysis of air-borne fibers and also by AIHA (Lab Ip 7054).
ATC Associates and its personnel shall not be liable for secondary or consequential damages
arising from use of information contained in this report. Liability shall extend to providing duplicate
analyses only. ATC is not responsible for sample collection or pump calibration.
The results reflect actual fiber concentration or the limit of quantitation whichever is higher.
ATC shall not be liable for results that are calculated in actual concentration instead of LOD or
LOQ when requested by clients;
We will retain these samples for a period of three months for your future reference;
-^Sincerely,
Milena Lowd Analyst:
Laboratory Director
CITY_21MC100_002989894
NYC-WTC_000205523
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