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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

Ove..View air sampling plan: 9/17 ..•short version .. updated daily asbestos PM other .dot zone 10-12 sites; 2- 12 hr samples; inorganic gases; PCBs; TEM;ERT... ongoing Mercwy. dioxin; metals all llweek; 4-hr sample at 4 locations;

voe sampling through bags with T AGA mobile van analysis... 2 samples per day dependent on plume; TAGA available. .. ? personnel Near zone (4 temp fixed 2- 12 hr samples; PM2.5 TEOMS* (continuous sites) need samplos and personnel reading...hourly); and portable for all PMlO everyday filter toxics silicates (every third . measurement (24 hr.).. 2 day lab day at 2 sites) PCM every third day turnover new need no resources new need, no resources defined need access, eqpt., personnel defined for all; requires Edison weigh lab

General (5 NYS DEC 2- 12 hr samples; PM2.S TEOMS installed in NY sites. plus 2 NJ sites) need samplos and personnel and NJ sites; portable PMlO for all everyday filter measurement (24 hr.) ..2 day lab turnover need PMJO eqpt. at all; requires &rison weigh lab Fresk Kills (8 sites 2- 12 hr samples; 8 sites: Data RAMS established) 1 site: PM2.5 TEOM operated . by DEC needs to be confumed Request for PCM asbesl.os and toxics silicates ana{vsis

• Data Rams as back up for TEOMS to be consistent with current sampling

Schedule objectives:

9/18 ... Asbestos sampling established in hotzone; Fresh Kills and NJ sites... done 9/18 ... Site access secured in near zone; near zone eqpt. ordered..... 9/21...Sites set up in near zone for all parameters 9/21 ... Additional asbestos and PMl 0 sampling added to general sites

NYC-WTC_000146547

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NYC-WTC_000146547Source: NYC Law Department, mirrored locally

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