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Draft Statement of Work for indoor dust sampling in NYC

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Contractual document outlining services to collect and analyze dust samples for hazardous substances in selected New York City buildings.

NYC-WTC_000178163–000178169
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NYC 9/11 Public Portal Document

ATTACHMENT 1

WTC Indoor Air Sampling Matrix Background Study Samples Numbers Shown are Per Unit Asbestos/ Wipe Samples Lead Dioxins PAHs Silica Total Dust Total # Samples MMVF Ceilings 1 0 0 0 0 1 Walls 1 1 1 1 1 5 Bare floor 1 1 1 1 1 TBD 5 Counter tops or 1 1 1 1 1 5 furniture (table tops)

Total Wipe 4 3 3 3 3 16 Samples/parameter Micro-vacuum Asbestos/ Lead Dioxins PAHs Silica Total Dust Total# Samples Samples MMVF

Carpets or Drapery 3 3 0 0 0 6 Fabric Furniture TBD 3 3 0 0 0 6 (couch or chair) Total Micro-vacuum 12 Samples/parameter n; 3 micro vacuum samples per location' Asbestos/ Indoor Air Samples Lead Dioxins PAHs Silica Total Dust Total # Samples MMVF

Main Living TBD 2 1 0 0 1 4 Space(living rooms) NOTES TBD - To be determined MMVF - Man Made Vitreous Fibers This table does not include the 10% Quality Control samples.

Total Number Of Samples Samples will be collected from 14 buildings, 3 units within each building (2 residences and 1 common area).

14 buildings x 3 units per building = 42 units

32 sampfes/unit x 42 units = 1344 samples + 134 QC samples = 1478 samples

CITY_21MC100_011836898

NYC-WTC_000178168

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NYC-WTC_000178168Source: NYC Law Department, mirrored locally

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Draft contract document outlining the scope for collecting and analyzing settled and airborne dust samples in fourteen buildings.

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