NYC 9/11 Public Portal Document
•ALIG-14-2002 17:45 FROM LB EF'A REGION 2 ORC TO 917185954544 P.84/06
DRAFT
WTC Indoor AirZEnvironment Cleanup Pilot Study Sampling Matrix
Silica,
Asbestos/ Total #
Indoor Air Samples Lead Dioxins PAHs Calcite. Total Dust
MMVF Samples
Gypsurn
Monitoring for worker 1
1 1 0 0 0 3
exposure
NOTES MMVF - Man Made Vitreous Fibers
This table does not include the 10% Qua'ity Control samples.
Air samples will be collected during the c ean up to monitor worker
exposure.
NYC-WTC_000155802
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000155802Source: NYC Law Department, mirrored locally