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.

• DOH referral on airborne fiber analysis and building cleanup, April · Box DEP Box 03

  NYC-WTC_000139641

  · similarity 0.975 (not a probability)machine-extracted · confidence unavailable · Check page ↗

Selected filing

Air sample asbestos analysis, roof facade cleaning, Apr 2002

NYC-WTC_000147703

DOH and DEP staff review air sample analytical results and discuss asbestos fiber detection methodology and building cleaning protocols.

Environmental Protection, Dept. of · Volume NYC-WTC0006 · Box DEP Box 09

Open the record for the City’s folder metadata.

Comparison filing

DOH referral on airborne fiber analysis and building cleanup, April

NYC-WTC_000139641

DEP memo forwarding DOH referral regarding potentially anomalous air sample results and questions about building owner compliance with cleaning.

Environmental Protection, Dept. of · Volume NYC-WTC0006 · Box DEP Box 03

Open the record for the City’s folder metadata.