TRC Environmental Corporation lab report detailing PCM microscopy fiber analysis for ambient air samples at 100 Church Street.
NYC-WTC_000174383
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document Scil^fob#: 202021516 P 1 of 1 Client Name: TRC Environmental Corporation Phase Contrast Microscopy (PCM) Fiber Results 35052-0000-00007; N.Y.C. Law Dept.; 100 Church Street, N.Y. (Ambient) Flow Air Fiber Fibers SciLab Client Rate Duration Filtered Density Cone. Fields Fibers TWA Sample # Sample # / Location Collected (Uters/min.) (min.) (liters) (Fibers/mm^ ) (Fibers/cc)
01 GS-Asb-0401 2/6/02 5 300 1500 too 4 5.10 < 0.002 4th Floor AtWS4-173E 02 GS-Asb-0402 2/6/02 5 300 1500 100 3 3.82 < 0.002 4th Floor At WS 4-176C 03 GS-Asb-0403 2/6/02 5 300 1500 100 8 10.19 0.003 4th Floor At WS 209A 04 GS-Asb-0404 2/6/02 5 300 1500 100 4 5.10 < 0.002 4th Floor At WS 213B 05 GS-Asb-0405 2/6/02 5 300 1500 100 3 3.82 < 0.002 4th Floor At WS 4-173E 06 GS-Asb-0406 2/6/02 5 300 1500 100 2 2.55 < 0.002 4tli Floor At WS 4-176C 07 GS-Asb-0407 2/6/02 5 300 1500 100 2 2.55 <0.002 4th Floor At WS 209A 08 GS-Asb-0408 2/6/02 5 300 1500 100 1 1.27 < 0,002 4th Floor At WS213B 09 GS-Asb-04FB#l 2/6/02 0 0 0 100 0.5 0.64 Blank Footnotes: 1 10 GS-Asb-04FB#2 2/6/02 0 0 0 100 0.5 0.64 Blank Footnotes: 1 Reporting Notes: (1) Fibers/cc cannot hgcalculated for samples (or blanks) with no air volume. Analyzed by; Devin Ahyeesa^il4>*i-nE!yjS2£«_______ ; Date Analyzed; 2/6/02 Samples analyzed by NIOSH 7400(A) Method. Issue #2, 8/15/94; Limit of Detection= 5.5 fibers per 100 fields or 7 tibers/rrmi2; 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 inm2; 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 determine 95% certainty of compliance with tlie 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 Accreditafion requirements mandate that tliis report must not be reproduced except in full without the approval of the laboratory. AIHA # 102843.
NYC-WTC_000174383
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.
3 shared non-person entities · 1 shared topics · similarity 0.985
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.
5 shared non-person entities · 1 shared topics · similarity 0.982
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 0.982
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.
5 shared non-person entities · 1 shared topics · similarity 0.982
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174327
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 0.981
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 0.981
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.
5 shared non-person entities · 1 shared topics · similarity 0.980
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.
5 shared non-person entities · 1 shared topics · similarity 0.980
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.
5 shared non-person entities · 1 shared topics · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174334
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 0.978
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.
5 shared non-person entities · 1 shared topics · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174401
Laboratory report documenting PCM fiber counts from air samples collected at 100 Church Street on January 31, 2002.
5 shared non-person entities · 1 shared topics · similarity 0.977
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 0.992 (not a probability)
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.
Similarity score 0.991 (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 0.991 (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 ↗NYC-WTC_000174327
Laboratory report documenting polarized light microscopy fiber analysis results for ambient air samples submitted to the NYC Law Department.
Similarity score 0.991 (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 0.991 (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_000174386
Laboratory report presenting PCM fiber analysis data for ambient air samples collected at 100 Church Street on February 21, 2002.
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_000174384
Laboratory report documenting PCM fiber counts from ambient air monitoring at 100 Church Street on February 20, 2002.
Similar indexed content
NYC-WTC_000174327
Laboratory report documenting polarized light microscopy fiber analysis results for ambient air samples submitted to the NYC Law Department.
Similar indexed content