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.
Part II - Environmental Community Monitoring Plan
133-135 Greenwich & 21-23 Thames Streets
Airtek Project 05-0701— Rev 1 August 11, 2005
Attachment B
Table — 3: Abatement Phase Work Area Monitoring
Location Parameter(s) Sample Analysis Method Comment
Frequency
Site Area Visible Dust Each Work Day Visual
emissions Observation
All sample points Asbestos Work shifts and 1. TEM
required by NYC DEP once a day on
Regulations for ACM non-work days
as determined by Site
Hygienist
Waste Decon Clean- 1. Asbestos ACM each work i. TEM
room at Greenwich 2. Silica day. Alternate 2. XRD
Street 3. Metals Silica & Metals 3. ICP/AES
Personnel Decon 1. Asbestos ACM each work 1. TEM
Clean Room at 2. Silica day. Alternate 2. XRD
Greenwich Street 3. Metals Silica & Metals 3. ICP/AES
Rotating Basis at 1. Asbestos ACM each work 1. TEM
Negative Air Exhaust 2. Silica day. Alternate 2. XRD
nearest interior 3. Metals Silica & Metals 3. ICP/AES
abatement
Blanks 1. Asbestos 2 blanks per day 1. TEM
2. Silica 1 blank per week 2. XRD
3. Metals I blank per week 3. ICP/AES
Notes to Table 3:
Work Area Monitoring for Asbestos will be conducted under AHERA Rules and
referenced to the 70 s/cc EPA Site Specific Trigger Level.
Work Area Monitoring for all COPCs will be referenced to the applicable OSHA
Standard and the EPA Site-Specific Trigger Levels (Table 2).
NYC-WTC 000134956
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NYC-WTC_000134956Source: NYC Law Department, mirrored locally