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EPA work plan review, 133-135 and 21-23 buildings, August 2005

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EPA Region 2 letter regarding revised environmental work plan submission for two buildings including asbestos, health, and safety assessment components.

NYC-WTC_000134871–000135144
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NYC 9/11 Public Portal Document

Part II - Environmental Community Monitoring Plan 133-135 Greenwich & 21-23 Thames Streets Airtek Project 05-0701 — Rev 1 August 11, 2005

Attachment A

Table 1— Community Air Monitoring

Location Parameter(s) Sample Analysis Method Comment Frequency Site Area Mercury Each work day Lumex, portable Lumex results mercury analyzer are real-time data logged Site Area Particulate Continuous Visual Observation Visual (Visible dust during working Notations on emissions) shifts site log Site Perimeter- Particulate Daily Laser dispersion three fixed PM-2.5, Real time analysis, locations listed PM-10 E-BAM below Site perimeter- Particulate Each work day FRM filter analysis Comparison one of the fixed PM-2.5, (gravimetric) data for E- locations PM-10 BAMs. below. 1. Waste load- 1. Asbestos ACM each 1. TEM Sampling out area on the work shift, and durations may Southwest each off-day. be modified corner of the 2. Silica Daily 2. XRD based on Site Buildings 3. Metals Daily 3. ICP/MS Conditions. See 4. Total Daily 4. Microbalance footote 1 below 2. Roof of HS Dust Auditorium 5. Organics Organics — See 5. PCB (EPA 3. East end of footnote 2 TO-7A) Thames below Dioxin (EPA Sidewalk TO-9A Bridge (mod)) and PAH (EPA TO-13A)

Footnote 1: Sampling duration and/or flow rates may be modified to provide optimum analyte loading for analysis based on results of ongoing analyses. Initial Sampling flow rates should be in accordance with rates prescribed in the sampling method.

Footnote 2: Organics will be sampled as provided below under "Notes on the Community Air Monitoring Table" below.

NYC-WTC 000134952

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NYC-WTC_000134952Source: NYC Law Department, mirrored locally

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