28 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.967
machine-extracted · confidence unavailable · Check page ↗Document / 246 pages
VOC sampling locations table for Ground Zero area, Jan 2002
Machine-extracted title · confidence 100%Table listing volatile organic compound (VOC) sampling sites and dates outside of Ground Zero from September 2001 to January 2002.
NYC-WTC_000148952–000149197Folder label: “NO INFO”
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OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Table 1 (cont’d).
Agency Screening Benchmark EPA Air Quality Index The AQI provides reference points by which (a) to judge (AQI) increasing levels of concern for potential health effects associated with acute exposures to air pollutants (e.g., particulate matter [PM]) for which short-term National Ambient Air Quality Standards (NAAQS) have been set and (b) to help guide the public and local government officials on actions to minimize unhealthy exposures. EPA National Ambient Air National air standards set by EPA (under the Clean Air Quality Standard Act) to protect against effects on public health and (NAAQS) welfare of major urban air pollutants, e.g., PM. Short term (24-hr) NAAQS for PM are more relevant here than are long-term (annual average) PM NAAQS. II. Long-Term Exposures EPA Reference An estimate of a daily exposure to the human population Concentration (RFC) (including sensitive subgroups) that is likely to be without an appreciable risk of harmful effects during a lifetime. EPA Cancer Slope Factor An upper-bound 95% confidence limit on the increased (SF) cancer risk from a lifetime exposure to an agent. The SF is used in conjunction with a dose term, such as the amount of a chemical inhaled, to conservatively estimate the potential for incurring cancer within a lifetime as a result of that exposure. EPA Unit Risk (UR) The UR factor is used to estimate the upper-bound 95% confidence limit on the increased cancer risk from a lifetime of inhalation to a contaminant. It is derived starting with the SF for a contaminant and then assuming a lifetime of exposure (24 hr/day, 70 yrs). When using the UR, a concentration corresponding to a lifetime average concentration should be used. EPA Maximum The MCL is the highest level of a contaminant that is Contaminant Level allowed in drinking water. It is an enforceable standard (MCL) that is set considering health effects and assuming the best available treatment technology, while taking cost into consideration.
DRAFT-DO NOT QUOTE OR CITE 18 October 2002
NYC-WTC_000149099
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000149099Source: NYC Law Department, mirrored locally
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42 shared non-person entities · Same agency, volume and box · similarity 0.964
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39 shared non-person entities · 1 shared topics · similarity 0.966
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19 shared non-person entities · 1 shared topics · similarity 0.961
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Internal tracking document for managing reports, comments, and actions related to environmental compliance cases.
16 shared non-person entities · 1 shared topics · similarity 0.961
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000164732
Draft spreadsheet of asbestos sampling results from residential locations collected November-December 2001, circulated for review.
25 shared non-person entities · 1 shared topics · similarity 0.960
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000155264
Letter from EPA official to a Congressional representative criticizing the adequacy of the 114 Liberty Street cleanup.
23 shared non-person entities · 1 shared topics · similarity 0.960
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139656
Forwarded spreadsheet compiling residential asbestos sampling results collected in November-December 2001, including Building 11 reoccupancy assessment.
24 shared non-person entities · 1 shared topics · similarity 0.960
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- 100 Trinity Place · 1 pages · confidence 0.85 · verify page 24
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- 200 Broadway · 1 pages · confidence 0.00 · verify page 51
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- 250 South End Avenue · 1 pages · confidence 0.15 · verify page 85
- 290 Broadway · 19 pages · confidence 0.70 · verify page 4
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