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NYC-WTC_000205431

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NYC 9/11 Public Portal Document

WTC INDUSTRIAL HYGIENE NOTICE

Date: 03/03/2002

To: Ray Master

CC: fbPC- BobAdams—Z^ LMIG- John Rabovsky ATC- Mike Donovan LMIG- IH File

From: Mike Ramsey

RE: Post-Abatement Clearance Sample Results

Ray,

Attached are the results of the post abatement clearance sampling performed at WTC 6, B5, duct bank removal. These samples were collected on 2/27/02. These were all area samples.

All results were below the limit of 0.01 fibers per cubic centimeter (f/cc), which is the standard used for buildings having general occupancy.

You should maintain these records as required by state, local, and federal requirements.

Michael D. Ramsey, CSP, CIH Senior Industrial Hygienist

Enc. Post Abatement Clearance Sample Results (6 pages)

1

CITY_21MC100_010205214

NYC-WTC_000205431

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NYC-WTC_000205431Source: NYC Law Department, mirrored locally

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