Residential sampling plan, Lower Manhattan

NYC 9/11 Public Portal Document

-Pt/

4 --------------------- Results: Asbestos - in Air Results: Asbestos in Dust ■ 30 buildings sampled ■ 58 apartments sampled -asbestos ■ Residential Units detected in 11 units . 59 apartments sampled ■ Common Areas ■ 26 common areas sampled - asbestos . 29 locations sampled detected in 5 areas > Outdoor ■ 14 outdoor areas samples - asbestos .1 29 locations sampled detected in 5 areas ■ No asbestos in air detected above standard

Asbestos Results _^ResuIts: Other Fibers ■ No levels of asbestos fibers were detected ■ other Fibers in Air above the regulatory standard in any air ■ Results Pending samples (117 samples collected) ■ Other Fibers in Dust ■ Asbestos was detected in 21 out of 98 ■ Fibrous Glass - Preliminary Results dust samples ■ Other Analytes Pending ■ 2 sites (both outdoors) required asbestos abatement

Results: Fibrous Glass - Dust _j^ecommendations ■ 58 apartments sampled - Fibrous Glass ■ Continue cleaning detected in 23 areas ■ Use wet cleaning methods ■ 26 common areas sampled - Fibrous ■ HEPA Vacuum Glass detected in 11 areas ■ Avoid carrying dust into buildings ■ 14 outdoor samples tested - Fibrous Glass detected in 9 areas

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NYC-WTC_000178159