Reference chart comparing asbestos air concentration standards, detection limits, and lifetime cancer risk levels for fibers per milliliter PCM equivalents.
NYC-WTC_000140082Folder label: “EPA Cate Jenkins”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Table B - ASBESTOS AIR CONCENTRATIONS AND RISKS Excess Cancer Air Level - Air standards levels actually found, detection limits, etc. Risks, Lifetime fibers per Exposure milliliter, PCM YOU MUST CONVERT STRUCTURES PER MILLILITER TO "PCM-EQUIVALENT" (70 years)'" equivalent FIBERS PER MILLILITER BEFORE USING THIS CHART. Unless you have actual f/mL (PCM) data, divide s/mL by around 2 to 4 to convert to "f/mL PCM"
1 per 100 0.04 EPA's Integrated Risk Information System (IMS) cancer risk level
0.0095 - 0.019 AHERA level of 70 structures per square millimeter, converted to PCM- equivalent fibers per milliliter. Over 2 cancers per 1000.
1 per 1,000 0.004 EPA's Integrated Risk Information System (IRIS) cancer risk level
0.0011 - 0.0043 Region 2's detection limits, converted to PCM equivalents (25 to 50% of fibers estimated to be PCM equivalent). THE LOWEST LEVEL THEY COULD AND. Up to 2 cancers per 1000.
0.0024 Libby Superfund site, average Inside homes resulting in Superfund designation. Approaching 1 cancer per 1000.
1 per 10,000 0.0004 EPA's Integrated Risk Information System (IRIS) cancer risk level"'
1 per 100,000 0.00004 EPA's Integrated Risk Information System (IRIS) cancer risk level
1 per 1,000,000 0.000004 EPA's Integrated Risk Information System (IRIS) cancer risk level.
0.000003 inside air. Agency for Toxic Substances and Disease Registry, peer reviewed overall value. Less than 1 cancer per 1 million.
0.000002 outside air. Agency for Toxic Substances and Disease Registry, peer reviewed overall value. Less than 1 cancer per 1 million.
0 cancers 0 AHERA safe level standard, 40 CFR §763, Appendix C - Asbestos Model Accreditation Plan
0 Asbestos School Hazard Detection and Control Act safe level
NYC-WTC_000140082
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000140170
EPA memorandum on wipe sampling methods for asbestos in Lower Manhattan buildings, resuspension projections, and cancer risk estimates from WTC dust exposure.
2 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.921
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140259
Memorandum detailing procedures for asbestos wipe sampling in Lower Manhattan and estimating associated cancer risks from dust exposure.
2 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.921
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140036
Administrative notice requiring preservation of World Trade Center-related documents as evidence for potential future legal actions against the City.
2 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.921
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140235
Memorandum comparing asbestos data in Manhattan to other sites and arguing for cleanup under the Superfund statute.
2 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.912
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140040
Technical memorandum from EPA discussing ultrasonication testing for asbestos in carpets and HEPA vacuuming effectiveness.
2 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.910
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140083
Forwarded EPA memorandum dated June 9, 2002, concerning the Asbestos Reservoir and carpet testing methods.
2 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.910
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000151635
EPA memorandum detailing plans for asbestos wipe sampling, projecting airborne dust levels, and estimating increased cancer risks from WTC dust exposure.
2 shared non-person entities · 1 shared topics · similarity 0.921
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000164830
DEP internal memo circulating draft EPA screening level standards for asbestos, fiberglass, and silica in indoor air and settled dust for agency comment.
2 shared non-person entities · 1 shared topics · similarity 0.920
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000154652
Internal tracking document for managing reports, comments, and actions related to environmental compliance cases.
2 shared non-person entities · 1 shared topics · similarity 0.917
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000163599
Draft screening levels for asbestos, fiberglass and silica in indoor air and settled dust.
1 shared non-person entities · 1 shared topics · similarity 0.916
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139416
Multi-agency discussion of benchmark reference levels for probable indoor contaminants of concern, including asbestos in air.
2 shared non-person entities · 1 shared topics · similarity 0.915
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000163606
Strawman benchmarks for probable indoor contaminants of concern related to WTC assessment.
2 shared non-person entities · 1 shared topics · similarity 0.911
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
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NYC-WTC_000140036
Administrative notice requiring preservation of World Trade Center-related documents as evidence for potential future legal actions against the City.
Filed in the same folder
NYC-WTC_000140038
Forwarded EPA memorandum dated June 9, 2002, concerning the Asbestos Reservoir and carpet testing methods.
Filed in the same folder
NYC-WTC_000140040
Technical memorandum from EPA discussing ultrasonication testing for asbestos in carpets and HEPA vacuuming effectiveness.
Filed in the same folder
NYC-WTC_000140080
Forwarded EPA memorandum dated June 9, 2002, concerning the Asbestos Reservoir and carpet testing methods.
Filed in the same folder
NYC-WTC_000140083
Forwarded EPA memorandum dated June 9, 2002, concerning the Asbestos Reservoir and carpet testing methods.
Filed in the same folder