Copies and versions

Copies are not independent tests. A high similarity score can also match a reused form; it does not establish which copy came first or whether their findings agree.

• Lead indoor air screening levels and actions, undated · Box DEP Box 05

  NYC-WTC_000140647

  · similarity 0.994 (not a probability)machine-extracted · confidence unavailable · Check page ↗

Selected filing

Lead indoor air screening tiers and recommended actions, April 2002

NYC-WTC_000140819

Table defining Tier I, II, and III lead air concentration thresholds with actions ranging from aggressive cleaning to no further action.

Environmental Protection, Dept. of · Volume NYC-WTC0006 · Box DEP Box 05

Open the record for the City’s folder metadata.

Comparison filing

Lead indoor air screening levels and actions, undated

NYC-WTC_000140647

Table defining action thresholds for lead in indoor air using NAAQS and background values to determine required cleaning measures.

Environmental Protection, Dept. of · Volume NYC-WTC0006 · Box DEP Box 05

Open the record for the City’s folder metadata.