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NYC Law Department letter regarding EPA draft report excerpts, July

Machine-extracted title · confidence 100%

Correspondence from NYC Corporation Counsel providing comments on excerpts of a draft EPA evaluation report regarding the WTC response.

NYC-WTC_000146129–000146748

Folder label: “EPA OIG LAW

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NYC 9/11 Public Portal Document

Overview air sampling plan: 9/19..•sbort version ..updated daily asbestos PM ·other Ground zero* 11 sites (A-N; excluding G) · inorganic gases; PCBs; ; 24 hr hr samples; zone-ERT Mercury; dioxin; metals PCM!fEM (under all l/week; 4-hr sample at 11 sites (A-N; discussion); ERT•..ongoing; 4 locations; excluding G) Debris pile A-F hydrocarbon (sampling Debris pile A-F through bags with TAGA Wall st area H,I mobile van analysis...3 samples (2 ~plume, 1 M,N...barge loading - background) twice per area... day dependent on plume; TAGA • . Sites H and I outside ground Freon as requested by zero..included as NYFD through TAGA "ground zero" as same sampling Real time monitoring as approach and crews needed every day for phosgene, inorganic acids (HCI, H2S04, HN03), FID/PID, multigas (02, LEL,H2S, S02, CO)

Near zone (3* temp 1 8 hour sample per day PM2.S TEOMS• fixed sites: roof top NY State DEC to provide (continuous and ground level) operations support reading...hourly); and toxics silicates (every ; portable PM 10 everyday third day at 2 sites) • potential 4 111 site filter measurement (24 new need no resources under consideration filters delivered to lab daily hr.)..2 day lab turnover dejlned...Marcus to by DEC or by CG pickup need access, eqpL, NYState follow up with Greg DEC to provide operations Lazarus EPAINYDEC support at sites; requires Edison weigh lab

note:

General (5 NYS same protocol as near zone PM2.S TEOMS installed in DEC sites, plus 2 NJ NY State DEC and NJDEP NY and NJ sites; PMlO sites) to provide operations everyday filter (NYDEC NYDECJEPA support; samplers at and NIDEP to supply eqpt. Edison, ready for delivery ~d operations support) schedule: measurement (24 hr.) ..2 day sites established 9/22 settle logistics for filter··~ lab turnover operational 9/26 pickup/delivery to requires Edison weigh lab Manhattan lab and sample pickup/delivery logistics

NYC-WTC_000146533

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NYC-WTC_000146533Source: NYC Law Department, mirrored locally

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