Laboratory report documenting polarized light microscopy fiber analysis results for ambient air samples submitted to the NYC Law Department.
NYC-WTC_000174327
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document Scil^ob#: 202013518 p 1 of 1 Cliei^fame: TRC Environmental Corporation Phase Contrast Microscopy (PCM) Fiber Results 35053-0000-00004; NYC Law Department; 100 Church Street, New York, NY/ AMBIENT Flow Air Fiber Fibers SciLab Client Rate Duration Filtered Density Cone. Fields Fibers TWA Sample # Sample # / Location Collected (Hters/min.) (min.) (liters) (Fibers/mm^ ) (Fibers/cc)
01 GS-7 1/29/02 5 300 1500 100 8 10.19 0.003 IWA, 5th Floor Northea.st
02 GS-8 1/29/02 5 300 1500 100 12 15.29 0.004 IWA, 5th Floor Northwest 03 GS-9 1/29/02 5 300 1500 100 6 7.64 0.002 IWA, 3rd Floor Southeast 04 GS-10 1/29/02 5 300 1500 100 2 2.55 < 0.002 IWA, 3rd Floor Southwest 05 GS-11 1/29/02 5 300 1500 100 6 7.64 0.002 IWA, Sth Floor Northeast 06 GS-12 1/29/02 5' 300 1500 100 1 1.27 < 0.002 IWA, 5th Floor Northwest 07 GS-13 1/29/02 5 300 1500 100 2 2.55 < 0.002 IWA, 3rd Floor Southeast 08 GS-14 1/29/02 5 300 1500 100 2 2.55 < 0.002 IWA, 3rd Floor Southwest 09 GS-15 1/29/02 0 0 0 100 0.5 0.64 Blank Footnotes: I 10 GS-16 1/29/02 0 0 0 100 0.5 0.64 Blank Footnotes: I Reporting Notes: (1) Fibers/cc cannot ^calculated f<w samples (or blanks) with no air volume. Analyzed by: Devin Ahvee&UflAJM^ ; Date Analyzed: 1/30/02 Samples analyzed by NIOSH 7400(A) Method, Issue #2. 8/15/94'. Limit of Detection= 5.5 fibers per 100 fields or 7 fibersimml: This report relates ONLY to the sample analysis expressed as fibers/sq mm of filter area: ND=No fibers observed: NA= Not Analyzed; Walton-Beckett graticle field area = 0.00785 mni2: TWA = 8 Hr TWA calculation assumes zero exposure for remainder of 8 hr period not sampled: Upper 95% Confidence limit (Employers Compliance Test)- Calculated as a one sided UCL to O determine 95% certainty of compliance with the 0.01 fiber/cc standard: Estimated relative standard deviation: Intralab Sr=0.405, Interlab Sr=0.45, New York samples (NYSDOH ELAP Lab# 11480): National Institute of Standards and Technology Accreditation requirements mandate tliat this report must not be reproduced except in full without the approval of the laboratory. AIHA # 102843.
L S O
o 1 o to cn cn to
NYC-WTC_000174327
OCR can misread numbers and units. Confirm readings against the page image before using them.
Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000174333
Laboratory report documenting polarized light microscopy fiber analysis results for ambient air samples submitted to the NYC Law Department.
4 shared non-person entities · 1 shared topics · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174341
Laboratory report documenting polarized light microscopy fiber analysis results for ambient air samples submitted to the NYC Law Department.
6 shared non-person entities · 1 shared topics · similarity 0.986
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174329
Laboratory report documenting polarized light microscopy fiber analysis results for ambient air samples submitted to the NYC Law Department.
5 shared non-person entities · 1 shared topics · similarity 0.985
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174339
Laboratory report documenting polarized light microscopy fiber analysis results for ambient air samples submitted to the NYC Law Department.
6 shared non-person entities · 1 shared topics · similarity 0.985
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174398
Laboratory report detailing PCM fiber counts from OSHA air monitoring at 100 Church Street on January 28, 2002.
5 shared non-person entities · 1 shared topics · similarity 0.984
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174384
Laboratory report documenting PCM fiber counts from ambient air monitoring at 100 Church Street on February 20, 2002.
6 shared non-person entities · 1 shared topics · similarity 0.983
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174389
Laboratory report recording PCM fiber analysis data for air samples collected at 100 Church Street on March 12, 2002.
6 shared non-person entities · 1 shared topics · similarity 0.982
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174386
Laboratory report presenting PCM fiber analysis data for ambient air samples collected at 100 Church Street on February 21, 2002.
6 shared non-person entities · 1 shared topics · similarity 0.982
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174383
TRC Environmental Corporation lab report detailing PCM microscopy fiber analysis for ambient air samples at 100 Church Street.
5 shared non-person entities · 1 shared topics · similarity 0.981
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174335
Laboratory report documenting polarized light microscopy fiber analysis results for ambient air samples submitted to the NYC Law Department.
6 shared non-person entities · 1 shared topics · similarity 0.981
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174430
OSHA-compliant laboratory report detailing microscopic fiber counts from air monitoring samples at the Law Department.
6 shared non-person entities · 1 shared topics · similarity 0.981
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174369
Laboratory report documenting polarized light microscopy fiber analysis results for OSHA compliance air samples collected on March 6, 2002.
6 shared non-person entities · 1 shared topics · similarity 0.981
machine-extracted · confidence unavailable · Check page ↗No available related records indexed in this group.
Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000174333
Laboratory report documenting polarized light microscopy fiber analysis results for ambient air samples submitted to the NYC Law Department.
Similarity score 0.994 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174341
Laboratory report documenting polarized light microscopy fiber analysis results for ambient air samples submitted to the NYC Law Department.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174329
Laboratory report documenting polarized light microscopy fiber analysis results for ambient air samples submitted to the NYC Law Department.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174339
Laboratory report documenting polarized light microscopy fiber analysis results for ambient air samples submitted to the NYC Law Department.
Similarity score 0.992 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174398
Laboratory report detailing PCM fiber counts from OSHA air monitoring at 100 Church Street on January 28, 2002.
Similarity score 0.992 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174384
Laboratory report documenting PCM fiber counts from ambient air monitoring at 100 Church Street on February 20, 2002.
Similarity score 0.991 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Machine-extracted building matches; verify each source. Buildings, never households.
Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.
NYC-WTC_000174333
Laboratory report documenting polarized light microscopy fiber analysis results for ambient air samples submitted to the NYC Law Department.
Similar indexed content
NYC-WTC_000174341
Laboratory report documenting polarized light microscopy fiber analysis results for ambient air samples submitted to the NYC Law Department.
Similar indexed content
NYC-WTC_000174329
Laboratory report documenting polarized light microscopy fiber analysis results for ambient air samples submitted to the NYC Law Department.
Similar indexed content
NYC-WTC_000174339
Laboratory report documenting polarized light microscopy fiber analysis results for ambient air samples submitted to the NYC Law Department.
Similar indexed content
NYC-WTC_000174398
Laboratory report detailing PCM fiber counts from OSHA air monitoring at 100 Church Street on January 28, 2002.
Similar indexed content