Laboratory report detailing PCM microscopy fiber analysis results for asbestos air samples from 100 Church Street.
NYC-WTC_000174409
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NYC 9/11 Public Portal Document
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Client Name; TRC Environmental Corporation Phase Contrast Microscopy (PCM) Fiber Results 35052-0000-00007; New York City Law Department; 100 Church Street, OSHA Flow Air Fiber Fibers SciLab Client Date Rate Duration Filtered Density Cone. Fields Fibers TWA Sample # Sample # / Location Collected (liters/min.) (min.) (liters) (Fibers/mm ) (Fibers/cc)
01 GS-21502-OSHA-0615 2/15/02 2 420 840 100 58 73.89 0.034 Mike Green Footnotes; 1 02 GS-21502-OSHA-0616 2/15/02 2 420 840 100 68 86.62 0.040 Marolo Alies Footnotes: 1 03 GS-21502-OSHA-0617 2/15/02 3 210 630 100 88 112.10 0.069 Mike Green Footnotes: J 04 GS-21502-OSHA-0618 2/15/02 3 210 630 100 60 76.43 0.047 Marolo Alies Footnotes: 1 05 GS-21502-OSHA-0619 2/15/02 0 0 0 100 0.5 0.64 Blank Footnotes: 2 06 GS-21502-OSHA-0620 2/15/02 0 0 0 100 0.5 0.64 Blank Footnotes: 2 Reporting Notes: (1) Moderate to heavy particulate matter is present on the filter which may obscure some fibers causing results with a low bias. (2) Fibers/cc cannot b&^cute^ for samfles (or blanks) with no air volume. Analyzed by; Marvin Brofters^ ftA : Date Analyzed: 2/18/02 Samples analyzed by NIOSH 7400(A) Method, Issue #2, 8/15/94: Limit of Detections 5.5 fibers per 100 fields or 7 fibers/mm2: 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 mm2; 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 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 that this report must not be reproduced except in full without the approval of the laboratory. AIHA # 102843.
NYC-WTC_000174409
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NYC-WTC_000174351
Laboratory report documenting polarized light microscopy fiber analysis results for OSHA compliance air samples submitted to the NYC Law Department.
7 shared non-person entities · 1 shared topics · similarity 0.986
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174419
Laboratory report detailing PCM microscopy fiber analysis data for asbestos air samples from the NYC Law Department project.
8 shared non-person entities · 1 shared topics · similarity 0.984
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Laboratory report containing PCM microscopy fiber analysis data for asbestos air samples from the NYC Law Department project.
7 shared non-person entities · 1 shared topics · similarity 0.979
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174424
Laboratory report presenting PCM microscopy fiber analysis data for asbestos air samples from February 6, 2002.
6 shared non-person entities · 1 shared topics · similarity 0.978
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Laboratory report presenting PCM microscopy fiber analysis data for asbestos air samples from March 12, 2002.
5 shared non-person entities · 1 shared topics · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174414
Laboratory report showing PCM fiber analysis results for asbestos air samples collected on February 27, 2002.
7 shared non-person entities · 1 shared topics · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174416
Laboratory report detailing PCM fiber analysis results for asbestos air samples collected at 100 Church Street in March 2002.
7 shared non-person entities · 1 shared topics · similarity 0.977
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174418
Laboratory report containing PCM fiber analysis results for asbestos air samples collected at 100 Church Street on March 13.
7 shared non-person entities · 1 shared topics · similarity 0.977
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174420
Laboratory report presenting PCM fiber analysis results for asbestos air samples collected at 100 Church Street in March 2002.
7 shared non-person entities · 1 shared topics · similarity 0.975
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174431
Laboratory analysis of air samples for asbestos fibers conducted by TRC Environmental Corporation for the Law Department.
5 shared non-person entities · 1 shared topics · similarity 0.975
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174411
Laboratory report presenting PCM fiber analysis data for asbestos air samples collected at 100 Church Street in February 2002.
7 shared non-person entities · 1 shared topics · similarity 0.973
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174352
Laboratory report documenting polarized light microscopy fiber analysis results for OSHA compliance air samples submitted to the NYC Law Department.
6 shared non-person entities · 1 shared topics · similarity 0.973
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NYC-WTC_000174351
Laboratory report documenting polarized light microscopy fiber analysis results for OSHA compliance air samples submitted to the NYC Law Department.
Similarity score 0.993 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174419
Laboratory report detailing PCM microscopy fiber analysis data for asbestos air samples from the NYC Law Department project.
Similarity score 0.992 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174412
Laboratory report containing PCM microscopy fiber analysis data for asbestos air samples from the NYC Law Department project.
Similarity score 0.990 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174424
Laboratory report presenting PCM microscopy fiber analysis data for asbestos air samples from February 6, 2002.
Similarity score 0.989 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174417
Laboratory report presenting PCM microscopy fiber analysis data for asbestos air samples from March 12, 2002.
Similarity score 0.989 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174414
Laboratory report showing PCM fiber analysis results for asbestos air samples collected on February 27, 2002.
Similarity score 0.989 (not a probability)
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