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Dust analysis results, PS 234M, Apr 2002

Machine-extracted title · confidence 92%

Analytical report presenting laboratory results for dust samples collected at the school building.

NYC-WTC_000177881
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NYC 9/11 Public Portal Document

James Jack 1 in 6103469573 P-a Apr 02 02 04;23p

INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING •CPANVLAP101282-0 • NY DOH/NtLAU 10803 ■ Nl DEP PAO20 ■ AIHA ACCREDITATION NO. 100499 • PA DEP 08-253 •CTDPHPM238 •NCDENR5S9 ANATYTTCAJ. SERVICES Analytical Results for ATC As-sociates WorkOrder: R02040014 Client Reference; 19125-0279

Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ug) ; (mg/m^) ; (ppm) (up.) Client ID; Dustl ATC-0327-234M Lab ID; -01A Date Sampled: 3/27/02 Matrix; Filter AirVoL(L): 144(1 Total Particulate Matter 120 □.00833 50 NQSOO 04/02/2002 BSB

(a) Analysis indicates possible breakthrough; back section result is greater than 0% of the front section result. General Notes: <: Less than the indicated limit of detection (LOO). Information not available or not applicable, liack. sections were checked and showed no significant breakthrough.

Page I of 1

CONFIDENTIAL, CITY_21MC100_0 03444783 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000177881

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NYC-WTC_000177881Source: NYC Law Department, mirrored locally

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