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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_000148952–000149197

Folder label: “NO INFO

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NYC 9/11 Public Portal Document

6. EPA - HEH (noncarcinogen) > Hazard Quotient (HQ) = 10

7. National Ambient Air Quality Standard (NAAQS) - Lead is a 3 month average - PM2 5 is a 24 hour average - Sulfiir Dioxide is a 24 hour average primary standard

8. Air Quality Index (AQI)

9. Non cancer effects based on CAL-EPA toxicity studies

10. American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV)

11. Agency for Toxic Substances and Disease Registry (ATSDR) Inhalation minimum risk level (MRL) X 10

12. ATSDR acute MRL

13. Lower Explosive Limit (2-11%)

14. National Institute of Occupational Safety and Health (NIOSH)

15. Proposed Reference Concentration (RfC) - HEH (noncancer) > Hazard Quotient (HQ) = 10

16. Based on Benzo(a)pyrene toxicity equivalency factor toxicity equivalency factor (TEE)

17. EPA National Center for Environmental Assessment (NCEA) provisional inhalation Slope Factor (3.1 E 00 mg/kg/day'‘)

DRAFT-DO NOT QUOTE OR CITE A-6 October 2002

NYC-WTC_000148990

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NYC-WTC_000148990Source: NYC Law Department, mirrored locally

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NYC-WTC_000149798

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