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Health and safety plan Part II, 30 Warren Street, January

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Part II of a health and safety plan for remediation and deconstruction at 30 Warren Street in January 2006.

NYC-WTC_000096623–000096675

Folder label: “201 WARREN STREET Block: 16 Lot: 220

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NYC 9/11 Public Portal Document

Regulatory Submittal Part III — Health & Safety Plan Fiterman Hall — 30 West Broadway, New York, New York Airtek Project 05-0867 — January 10, 2006

7.0 PERSONNEL EXPOSURE AND AIR QUALITY MONITORING

7.1 AIR QUALITY (DUST)

Due to the nature of the principal contaminants associated with the project, dust suppression will be important as a means of minimizing exposure levels and off-site migration of contaminants. The Field Team Leader will routinely monitor the project area. The OSHA personal exposure limit (PEL) for nuisance dust is 15 mg/m3.

7.2 AIRBORNE CHEMICAL MONITORING

Monitoring for airborne chemical exposure is as important as other occupational safety precautions. Monitoring for airborne chemical contaminants exposure requires the following elements: • Air sampling for particulates and specified CoPCs, • Recordkeeping regarding personnel work locations and time in location, and • Respiratory protective equipment records for devices used by workers in airborne contaminant areas.

By closely monitoring these three elements, a continuous record of personnel exposure to airborne chemical contaminants is maintained.

General methodologies for sample collection and analysis include,

7.2.1 PERSONAL AIR MONITORING

Each Subcontractor and trade employer shall evaluate the need to=perform personnel air sampling for the contaminants during Abatement Phase of the project. The results of personnel monitoring conducted will be reviewed on a daily basis by the Subcontractor Safety Officer to determine if current levels of respiratory adequate. protection are

The subcontractor safety officer shall provide written documentation of this review to the CSO and the subcontractor must immediately report any results that trigger PPE upgrades. Additional evaluation of samples shall be performed when determined necessary based upon elevated results.

7.3 ACTION LEVELS

7.3.1 Chemical Action Levels

The following table lists the OSHA PEL, site specific Action Level, and trigger levels:

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