NYC-WTC_000232127

NYC 9/11 Public Portal Document

Part II - Environmental Community Monitoring Plan 133-135 Greenwich & 21-23 Thames Streets Airtek Project 05-0701 - Rev 2 September 16, 2005

Attachment A

Table 1 - Community Air Monitoring

Location Parameter(s) Sample Analysis Method Comment Frequency Site Area Mercury Each work day Eumex, portable Eumex 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 The Met One E- three fixed PM-2.5, Real time analysis, BAM (with a locations listed PM-10 E-BAM healed iniel to below address condensible emis8ions)wEll be utilized for continuous PM 19 and PMy,- moni toring Site perimeter- Particulate Each work day Met One BAM 1020 Comparison one of the fixed PM-2.5, 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 footnote 1 2. Roof of HS Dust below Auditorium 5. Organics Organics - See 5. PCB (EPA 3. East end of footnote 2 TO-7A) Thames below Dioxin (EPA Sidewalk T0-9A Bridge (mod)) and PAH (EPA TO-13 A) Field Blanks AU Analytes In accordance with QAPP and Published Methodology

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CITY_DEP_WORBY_CANNATA_SUBP_000087254

NYC-WTC_000232135