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NYC-WTC_000234799

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000234799–000234807
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NYC 9/11 Public Portal Document

14 buildings x 3 units per building = 42 units

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

AHACHMENT 2

TC Indoor Air Monitoring - Sampling and Analytical Procedu Points Analytical Sampling Method Proposed Sampling Vulnerability/Praotioality Analytioa Parameters

c furniture Asbestos ASTM D 5755-95 This is a micro vacuuming method. Three collocated samples ASI areas of will be collected from each location. g rooms, oms) Lead ASTM E 1973-99 This is a micro vacuuming method. Three collocated samples SV will be collected from each location.

rfaces of Asbestos ASTM D 6480-99 Wipe Samples ASTM [ nters and ;ilings and of activity s, family Lead ASTM E 1728 Wipe Samples SV s) Dioxins ASTM D 6661-01 Wipe Samples ASTM 66(

PAHs ASTM D 6661-01 Wipe Samples ASTM 666

Silioa ASTM E 1 728- Wipe Samples NIO:

MMVF ASTM D 6480-99 Sampleswill be combined with the asbestos sampling. EM

/n activity Asbestos NIOSH 7400 Air pump operated at 1 OL/min for 8 hours to achieve the PCM NIOSH 740 s, family COPC wkgroup detection limits s) Lead NIOSH 7300 Air pump operated at 1 OL/min for 8 hours to achieve the SV COPC wkgroup detection limits PAHs TBD Pending sample volume Pilot clean-up study only S' requirements and to account for breakthrough on the cassettes.

Dioxins TBD Pending sample volume Pilot clean-up study only. Availability of sample cassettes for S' requirements and to account tor dioxins analysis is questionable. Apparently the supply is low. breakthrough on the cassettes.

Silica NIOSH 7500 Air pump operated at 2.5L/min for 8 hours to achieve the NIO: COPC wkarouD detection limits

CITY_21MC100_008757584

NYC-WTC_000234806

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NYC-WTC_000234806Source: NYC Law Department, mirrored locally

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