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machine-extracted · confidence unavailable · Check page ↗Document / 1 page
Industrial hygiene analytical results for M520, Dec 2002
Machine-extracted title · confidence 85%Analytical results page from PSC Analytical Services regarding industrial hygiene testing for school M520 in December 2002.
NYC-WTC_000175325Page image
OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
oep 13 uc: U3:*tt>p riiu gio-921-9667 P-4
INDUSTRIAL HYGIENE ENVIRONMENTAL TESTING PSC • EP/WIAP101262-0 • NY DOHNEtAC 10903 •NJ D£P PAD20 • AIHA ACCREDITATION NO. 100439 > PA DEP 06-353 • CTOPH PH-O23S •NCOEMRS99 Analytical Results for ATC Associates WorkOrder: R02090391 Client Reference: M520
Analyte Concentration Limit of Test Date Analyzed Detection Method /Analyst (ng) : (mg/m’) ; (ppm) (ug) Client ID: ATC-0911-M520-S1 Lab ID: -01A Date Sampled: 9/11/02 Matrix: Air VoI.(L): 1020 Respirable Particulate Matter <50.0 <0,0490 50 N0600 09/17/2002 ADM
Silica (Quartz Total) <5.00 <0.00490 5 AIRBORNE SILICA 09/17/2002 ADM
Client ID: ATC-0911-M520-S2 Lab ID: -02A Date Sampled: 9/11/02 Matrix: AirVol.(L): 1020 Respirable Particulate Matter <50.0 <0.0490 50 N0600 09/17/2002 ADM
Silica (Quartz Total) <5.00 <0.00490 5 AIRBORNE SILICA 09/17/2002 ADM
Client ID: ATC-0911-M520-S3 Lab ID; -OSA Date Sampled: 9/1 1/02 Matrix: AirVol-CL): 1020 Respirable Particulate Matter <50.0 <0.0490 50 N0600 09/17/2002 ADM
Silica (Quartz Total) <5.00 <0.00490 5 AIRBORNE SILICA 09/17/2002 ADM
Client ID; ATC-09i i-MS20-S4 Lab ID; -04.A Date Samplcd:9/11/02 Matrix: Air Vol.(L): NA Respirable Particulate Matter <50.0 50 N06O0 09/17/2002 ADM
Silica (Quartz Total) <5.00 5 AIRBORNE SILICA 09/17/2002 ADM
(a) Analysis indicates possible breakthrough; back section result is greater than % of the front section result.
General Notes: <: Less than the indicated limit of detection (LOD). Information not available or not applicable. Back sections were checked and showed no significant breakthrough.
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CONFIDENTIAL, CITY_21MC100_0 03422176
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000175325
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NYC-WTC_000175325Source: NYC Law Department, mirrored locally
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