NYC-WTC_000179322

NYC 9/11 Public Portal Document

ATC ASSOCIATES INC. page I OF 1 AIR SAMPLING - CHAIN OF CUSTODY 10-) EAST 25TH STREET, lOTh FLOOR NE>V VnilK, NEW YORK 10(110 PHONE: 212-353-8280 FAN: 212-979-8447

Client: Project Address:Stuyvesant HS (M477) Type: LEAD Date: NYC-BOE 345 Chambers Street, New York, NY 10007 A:Q Pre/Baseline C:D Post Ambient Io/t-c /cj Project No: Field Technician: Project Manager: B:[Z1 Durings OSHA F:a Other Turnaround Time: 19125-0246 j-i • AthlTo/niY/V^ Andreas C, Andreou Cassette Lot No: [Rotameter No:

ATC Time Time Total Flow Rate (L/Min) Total Air Detection Results Sample ID Number Pump # Sample Locations Type Start End Minutes Start End Avg. Volume (Liters) Limit pg/m3

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NYC-WTC_OO0179322