Fax cover sheet for environmental data, 92 Warren Street, Mar

NYC 9/11 Public Portal Document

03/,26/2002 13:45 2126737215 DONOHOE ENVIRONMENTA PAGE 03

DONOHOE -ENVIRONMENTAL, INC. 39 Bowery #684 New York, New York 10002

■ Phone : 212 260-9818 Fax:212 673-7225

March 20, 2002

Ms. Diana Madden Buchbinder and Warren, L.LC. One Union Square West New York, New York 10003

Re: Hazardous gas n►ouitoring at 92 — 94 Warren Street, in New York City, on March 19, 2002.

Dear Ms. Madden:

Hazardous gas detection was performed in all areas at the above location. All monitoring was performed according to the following guidelines:

• The Occupational Safety and Health Administration (OSHA) Standards and Regulations contained in Title 29, Code of Federal Regulations, Parts 1910 and 1920 (29 CFR 1910 and 1920); • Subsequent additions and/or modifications, the New York State Labor Law Section 876 (Right-To-Know Law); • The Interim Standard Operating Safety Guidelines by the United States Environmental Protection Agency and the Office of Emergency and Remedial Response; • National Institute for Occupational Safety and Health (N)OSH) pocket guide • The American Conference of Governmental Industrial Hygienists (ACGIH) handbook.

Hazardous gas detection was performed using an AIM 3000 4 Gas detector. We checked specifically for Oxygen, H2S, CO, Toxic, and Lower Explosion Level. No hazardous'gasses were detected. Monitoring was performed by Donohoe Environmental. Inc. Feel free to call if you have any additional questions.

Very truly yours,

Timothy J. Donohoe Donohoe Environmental, Inc.

NYC-WTC 000096405