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NYC-WTC_000164840

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000164840–000164855
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NYC 9/11 Public Portal Document

Polycyclic Aromatic Hydrocarbons (PAHs)

Tier Action PAHs (settled dust) PAHs (indoor air) Screening Basis Screening Basis Value Value I Aggressiye >9 mg/m2 Risk-based >6 ug/m3 Risk-based cleaning. If leyels screening leyel screening leyel persist, take for residential for residential additional action to setting (E-04 x 1 setting (E-04 x reduce exposure. yr) 1 yr) II Maintain 0.3 mg/m2 to 9 0.3 mg/m2 is 0.2 ug/m3 (or 0.2 ug/m3 is recommended mg/m2 Risk- based background)to Risk- based cleaning methods. screening leyel 6 ug/m3 screening leyel Consider additional for residential for residential monitoring setting (E-04 x setting (E-04 x 30 yr) 30 yr)

III No further action <0.3 mg/m2 (or Determination <0.2 ug/m3 (or Determination background) of local background) of local background background

PAHs are a large group of compounds that are eyaluated as benzo(a)pyrene-equiyalents.

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NYC-WTC_000164847

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NYC-WTC_000164847Source: NYC Law Department, mirrored locally

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