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Statement of Work for indoor dust sampling, Ground Zero

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Contract document outlining the scope for collecting and analyzing settled and airborne dust samples from buildings affected by Ground Zero dust.

NYC-WTC_000182053–000182061
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NYC 9/11 Public Portal Document

ATTACHMENT 2 I

WTC Indoor a ling and Analytical Procedures Analytical Zedia Sampling Points Parameters Sampling Method Proposed Sampling Vulnerability/Practicality Analytical Method Proposed

This is a micro vacuuming method. Three collocated samples ettled Carpets, fabric furniture will be collected from each location. ASTM D 5755-95 Asbestos ASTM D 5755-95 Dust or drapery in oreas of OUS Soft activity (living rooms, This is a micro vacuuming method. Three collocated samples irtaces family rooms) Lead ASTM E 1973-99 will be collected from each location. SW-846 6010B

Asbestos ASTM D 6480-99 Wipe Samples ASTM D 6480-99 (wipe)

Lead ASTM E 1728 Wipe Samples SW-846 601 OB

Dioxins ASTM D 6661-01 Wipe Samples ASTM 6661-01/SW-846 8290 Horizontal surfaces of tables or counters and PAHS ASTM D 6661-01 Wipe Samples ASTM 6661-01 /SW-846 8270C ettled Dust bare floors, ceilings and n-porou walls in areas of activity Silica ASTM E 1728** Wipe Samples NIOSH 7500 (XRD) ! Hard (living rooms, family itfaces rooms) MMVF ASTM D 6480-99 Samples will be combined with the asbestos sampling. EMSL MSP.0300 Air pump operated at lOL/min for 8 hours to achieve the COPC PCM NIOSH 7400 followed byTEM AHER/ Asbestos NIOSH 7400 wkgroup detection limits method. Air pump operated at lOL/min tor 8 hours to achieve the COPC Lead NIOSH 7300 wkoroup detection limits SW-846 601 OB TBD Pending sample volume requirements and to account for PAHs break through on the cassettes. Pilot clean-up study only SW-846 8270 o TBD Pending sample volume H requirements and to account for Pilot clean-up study only. Availability of sample cassettes for re Dioxins break through on the cassettes. dioxins analysis is questionable. Apparently the supply is low. SW-846 8290 I [.J Air pump operated at 2.5L/min for 8 hours to achieve the Silica NIOSH 7500 COPC wkarouD detection limits NIOSH 7500 (XRD) O Areas of known activity o (living rooms, family Assumed that it behaves the same as asbestos, samples will be o toor Air rooms) MMVF NIOSH 7400 combined with the asbestos sampling. EMSL MSD.0300 I o o TE: All samples (cassettes and wipes) will be preweighed by the laboratory or supplier prior to sample collection. After sample collection and upon receipt of the samples by the laboratory, the OS oratory will weigh the sample wipe or cassette prior to performing the analysis. This moy chonge depending upon the avallobllHy of preweighed materials. May collect samples for total dust. '.C '.C [.J co cn

NYC-WTC_000182060

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NYC-WTC_000182060Source: NYC Law Department, mirrored locally

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