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Permit application Part II, air monitoring Jan 2006

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Part II of a permit application dated January 10, 2006 for air monitoring during remediation at 30 West Street.

NYC-WTC_000095766–000095780

Folder label: “30 West Broadway

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NYC 9/11 Public Portal Document

Regulatory Submittal Part II - Environmental Community Air Monitoring Program Fiterman Hall— 30 West Broadway Airtek Project 05-0867 — January 10, 2006

Attachment B

Table — 3: Remediation 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 NYS DOL once a day on Regulations for ACM non-work days as determined by Site Hygienist Waste Decon Clean- I. Asbestos ACM each work 1. TEM rooms 2. Silica day. Alternate 2. XRD 3. Metals Silica & Metals 3. ICP/AES Personnel Decon 1. Asbestos ACM each work 1. TEM Clean Rooms 2. Silica day. Alternate 2. XRD 3. Metals Silica & Metals 3. ICP/AES Negative Air Exhaust 1. Asbestos ACM each work 1. TEM Manifolds 2. Silica day. Alternate 2. XRD 3. Metals Silica & Metals 3. ICP/AES Blanks 1. Asbestos 2 blanks per day 1. TEM 2. Silica I blank per week 2. XRD 3. Metals 1 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).

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NYC-WTC_000095777Source: NYC Law Department, mirrored locally

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