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← Document results/DEP Box 48/333 RECTOR PLACE Block: 16 Lot: 80 BIN: 1000055 213-215 South End Avenue, 327 Rector Place
Document / 36 pages

Environmental record cover sheet, 333 Rector Place

Machine-extracted title · confidence 90%

Cover sheet or index page for environmental records associated with 333 Rector Place in the DEP archive.

NYC-WTC_000120604–000120639

Folder label: “333 RECTOR PLACE Block: 16 Lot: 80 BIN: 1000055 213-215 South End Avenue, 327 Rector Place”

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NYC 9/11 Public Portal Document

SciLab Job #: 201092964 Page 3 of 3 Client Name: GCI Environmental Advisory, Inc. Phase Contrast Microscopy (PCM) Fiber Results N01-B4087; Rockrose Development Corp.; 333 Rector Place Flow Air Fiber Fibers SciLab Client Date Rate Duration Filtered Density 2 Conc. Fields Fibers TWA Sample # Sample # / Location Collected ( liters/min.) (min.) (liters) (Fibers/mm ) (Fibers/cc)

31 333-PH-9/24-31 9/24/01 15 60 900 100 13 16.56 0.007 Apt.! Kitchen (CAS) 32 PII 333-PH-9/24-32 9/24/01 15 60 900 100 7 8.92 0.004 Apt.; Kitchen (CAS) Reporting Notes: (1) fibers/cc cannot be ca iu ed I' same es ,( r blanks) with no air volume. Analyzed by: Anthony Hinton _{ •{_"~ __ Date Analyzed: 9/2 5/01

Samples analyzed by NIOSI17400(A) Method. Issue #2, 8115/94; Limit of Dectection= 5.5 fibers per 100 fields or 7 ftbers/n in2; This report relates ONLY to the sample analysis expressed as fibers/sq mm of filter area; ND= no fibers observed; NA = not analyzed; Walton-neckett gradicule field area 0.00785 mm2; TWA =8 l Ir TWA calculation assunx:s zero exposure for remainder of 8 hr period not sampled; Upper 95% Confidence limit (Employers Compliance Test)- Calculated as a one sided UCL to determine 95% certainty of compliance with die 0.01 fiber/cc standard; Estimated relative standard deviation: Intralab Sr=0.405, Interlab Sr=0.45, New York samples (NYSDOU ELAP Lab It 11480); National Institute cf Standards and Technology

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NYC-WTC 000120611

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NYC-WTC_000120611Source: NYC Law Department, mirrored locally

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