Need for Perimeter Air Monitoring (PAM) Potential for Contaminated - - PowerPoint PPT Presentation

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Potential for Contaminated Vapors and Particulates to Drift into Populated Areas

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Cases Where Contaminated Dust Found in Adjacent Buildings

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Increasing Citizen Concern about Adverse Health Effects of Remedial Actions

Need for Perimeter Air Monitoring (PAM)

History of PAM

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NJDEP required PID/FID Readings and/or Particulate Monitoring at the Perimeter of Selected Contaminated Sites During Remedial Activities

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Calculation of Site-Specific Action Levels Varied Between Sites

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PAM Guidance to Provide Consistency in Approach to Monitoring and Action Levels

Concerns Raised During PAM Guidance Process

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Appropriateness of Time Frames Addressed by PAM Guidance

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Toxicity Basis for Action Levels

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Real-Time Measurement for VOCs and Particulates

Concerns Raised During PAM Guidance Process

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Elevated Background VOC and Particulate Concentrations

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Complications of Remedial Actions associated with Low PAM Action Levels

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Visible Dust and Best Management Practices

Concerns Raised During PAM Guidance Process

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Dispersion Factors for Receptors not Directly Adjacent to Remedial Activities

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Special Concerns: Asbestos and PCBs