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Document / 10 pages

Chain of custody distribution list, May 2002

Machine-extracted title · confidence 90%

EPA staff distributed a chain of custody document to multiple federal and city agencies on May 15, 2002.

NYC-WTC_000162212–000162221

Folder label: “E-mails 2002 M. Gilsenan

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Scanned page image, NYC-WTC_000162219
OCR text

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z z o o Samples will be collected from 14 buildings, 3 units within each building (2 residences and 1 common i 1^ area). co

■D o 14 buildings x 3 units per building = 42 units c o CT o o' o> ■D ro o ro 32 samples/unit x 42 units = 1344 samples + 134 QC samples = 1478 samples 3. CD 03

o o o c 3 CD

ATTACHMENT 2

WTC Indoor Air Monitoring - Sampling and Analytical Procedures Analytical Sampling Vulnerability/Practicality Analytical Method Proposed Media Sampling Pants Sampling Method Proposed Parameters

Carpets, fabric furniture or Settled drapery in areas of activity This is a micro vacuuming method. Three collocated samples will Asbestos ASTMD 5755-95 ASTMD 5755-95 Dust (living rooms, family be collected from each location. Porous _______ rooms)_______ Soft This is a micro vacuuming method. Three collocated samples will surfaces Lead ASTM E1973-99 SW-846 6010B I! I be collected from each location.

Horizontal surfaces erf tables or counters and ——ft

Asbestos j —

ASTME) 6480-99 rI ------------------------------------------------------------------------

I Wipe Samples ASTM D 6480-99 (wipe) bare floors, ceilings and wsHs in 3r63S of 3Ctivity (living rooms, family ASTM E 1728 Wipe Samples SW-846 6010B Lead Settled rooms) Dust Dioxins ASTMD 6661-01 Wipe Samples ASTM 6661-01/SW-846 8290 Non-porou sHard surfscGS PAHs ASTM D 6661-01 Wipe Samples ASTM 6661-01/SW-846 8270C

Silica ASTME 1728** Wipe Samples NIOSH7500(XRD)

MMVF ASTM D 6480-99 Samples will be combined with the asbestos sampling. EMSL MSD.0300

I Areas erf known activity Air pump operated at lOL/min for 8 hours to achieve the COPC PCM NIOSH 7400 followed by TEM AHERA Indoor Air | rooms, family Asbestos NIOSH 7400 wkgroup detection limits method. " rooms)

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NYC-WTC_000162219Source: NYC Law Department, mirrored locally

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