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← Document results/DEP Box 33/1 NORTH END AVENUE Block: 16 Lot: 225 BIN: 1085502 4 River Terrace, 60 Vesey Street
Document / 10 pages

Indoor environmental quality survey report, Nov 16, 2001

Machine-extracted title · confidence 100%

Letter from Ambient Group dated November 16, 2001 summarizing an indoor environmental quality survey.

NYC-WTC_000097713–000097722

Folder label: “1 NORTH END AVENUE Block: 16 Lot: 225 BIN: 1085502 4 River Terrace, 60 Vesey Street

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Scanned page image, NYC-WTC_000097718
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NYC 9/11 Public Portal Document

- NUV-1b-U1 I'Kl Ub:bb rn

HI1tf1r.Nt 1ilUUY IN1: I'HX NU. L1'L (tits 1b4U I, U I

AMBIENT GROUP,INC. 10 MORRIS AVENUE 0 GLEN COVE, NY 11542 ELAP # 10865

METALS IN AIR LABORATORY DATA REPORT PROJECT ID: 211338 COLLECTED: 11/8/01 CLIENT: MERCANTILE EXCHANGE DATE RECD: 11/8101 PROJECT ADDRESS: I NORTH END AVENUE ANALYZED; 11/12/01 DESCRIPTION: 7TH FLOOR: ADJACENT TO STAIR 'C'

LABORATORY ID FIELD ID ANALYTE VOLUME (L) ug/m'

39705 5001-04 CADMIUM 1012 0.15

CHROMIUM 1012 0.40

COPPER 1012 1.24

IRON 1012 10.03

LEAD 1012 1.14

MANGANESE 1012 0.35

NICKEL 1012 0.25

SILICA 1012 13.93

ZINC 1012 1.19

Standard/Guideline: OSHA PEL for Cadmium: 5ug/m3; OSHA PEL for Chromium: 1000ugim3; OSHA PEL for Copper: 1000ug/m3; OSHA PEL for Iron: 10000uglm3; OSHA PEL for Lead: 50ug/m3; OSHA PEL for Manganese: 1000ug/m3: OSHA PEL for Nickel: 1000ug/m3; OSHA PEL for Zinc: 5000ug/m3; OSHA PEL for Silica: 50ug/m3

11/16/01 FRI 17:58 [TI/RI NO 8525]

NYC-WTC 000097718

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NYC-WTC_000097718Source: NYC Law Department, mirrored locally

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Chronology of clean-up precautions and air sampling results for buildings at North End Avenue and 60 Vesey Street following the September 11 attacks.

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