DRAFT
WTC Indoor Air/Environment Cleanup Pilot Study Sampling Matrix
Silica,
Asbestos/ Total #
Indoor Air Samples Lead Dioxins PAHs Calcite, Total Dust
MMVF Samples
Gypsum
Monitoring for worker
1 1 0 0 1 0 3
exposure
NOTES MMVF - Man Made Vitreous Fibers
This table does not include the 10% Quality Control samples.
Air samples will be collected during the clean up to monitor worker
exposure.
NYC-WTC_000140687
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000140687Source: NYC Law Department, mirrored locally
DEP memo clarifying that asbestos data table under consideration for release to AP requires prior interagency review and does not include fibrous glass information.
Internal DEP legal department notification requesting all bureaus to report and copy Law Department on any FOIL requests relating to September 11 events.
Introduction to a cross-agency group tasked with identifying contaminants of concern and establishing health-based screening levels for the indoor environment.