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FAX cover letter regarding DEP correspondence, Feb 2002

Machine-extracted title · confidence 92%

Cover sheet accompanying a response to a Department of Environmental Protection inquiry with referenced documents.

NYC-WTC_000117288–000117296

Folder label: “33 RECTOR ST 1000792, 17/27

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NYC 9/11 Public Portal Document 02/28/02 10:30 FAX ROCKROSE 10003

GC1 655 Third Avenue New York, NY 10017 (212) 986-9460 Fax: (212)986.9464

September 28, 2001 Mr. Frank Vesta Rockrose Development Corp. 309 East 45t" Street New York, NY 10017 Re: 333 Rector Street, NYC - Gym Dear Mr. Vasts, SCI Environmental Advisory, Inc. has collected ambient air samples with: n the above referenced apartment as well as the apartments and common areas of the above referenced building during September 24 - 26, 2001. Air sampling was conducted within the apartment utilizing 0.8 u, MCE sampling cassettes employing high volume air sampling pumps during "normal" building activities.. A minimum of Nine Hundred (900) liters of air was collected to provide a detection limit below 0.01 f/cc (fibers per cubic centimeter). All samples were pre- and post-calibrated by means of a precision rotometer that had been calibrated with a primary standard. Sampling blanks were collected and submitted with each group of samples analyzed. Air sample analysis was according to NIOSH Analytical Method 7400 with results reported as fibers per cubic centimeter (f/cc). Laboratory Analysis performed by an ELAP approved and NIOSH PAT proficient laboratory. Laboratory analysis indicated airborne levels below the current recommended "Clearance Air Criteria" of 0.01 fibers per cubic centimeter (f/cc) of air according to Phase Contrast Microscopy (PCM). Should you have any questions or need additional information, please contact me at (212) 986-9460.

GCI ronmental Advisory, Inc.

JFG/gj

acf ENVIRONMENTAL ADVISORY. INC. PROJECT 2001 N01-84087.333APT.PCM

NYC-WTC 000117291

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NYC-WTC_000117291Source: NYC Law Department, mirrored locally

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