Anjali Lamba MPH CIH Chemical Engineering Branch Office of Pollution Prevention and Toxics Environmental Protection Agency Gerry O Wood PhD Gerry Odell Consulting Need for Guidance ID: 146663
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EPA Guidance for Determining Organic Vapor Cartridge Service Life for NIOSH-Approved Respirators
Anjali Lamba, MPH,
CIH
Chemical
Engineering Branch
Office
of Pollution Prevention and Toxics
Environmental Protection Agency
Gerry
O. Wood,
PhD
Gerry Odell ConsultingSlide2
Need for Guidance
Toxic Substances Control Act (TSCA) of 1976
New Chemicals – Pre-Manufacture Notice
Testing of Cartridges Use of APRs with CartridgesChange-Out Schedule RequirementSpecific submitter case - identified need for recommendations update
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History of Guidance
Minor Revisions by EPA ,1995 and 2002.
Included on OSHA
w
ebsite, 1998.
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Limitations of Previous Guidance
Only Single Vapor Considered
At Least 36 Tests Specified
Not Included/Considered:Recent Data and Test Procedures Recent Understanding of Reactive Vapor Removal Mechanisms Usefulness of Recent Service Life Estimation Models
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New Guidance Document
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Companion Evaluation Document
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New EPA Guidance DocumentSummary Outline - 1
Background and Preliminary Considerations
Laboratory Testing for General Qualification
Definition of General Qualification (for no specific application)
Advantages and Disadvantages
Significant Testing Parameters and Suggested Ranges
Recording and Using Breakthrough Data
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New EPA Guidance DocumentSummary Outline - 2
Laboratory Testing Reduction
Worst Case Selection
Progressive Testing
Actual Case Testing (Specific Workplace Qualification)
Testing Options
Laboratory Testing (Single or Stacked per Moyer)
Field Testing (e.g., Respirator Cartridge Tubes per Cohen)
Surrogate Vapor Testing (per OSHA)
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New EPA Guidance DocumentSummary Outline - 3
V. Miscellaneous Requirements, including:
Duration of Tests
Replicates and Reproducibility
Safety Factor Application
Testing with Covapor(s)
Recognition of Products of Reactive Removal
VI. Reporting Requirements (lists and tables)
Procedures Used
Conditions Used
Data Obtained
Conclusions Reached (Change-out Schedules, etc.)
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Decision Logic Flow Chart
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Lessons Learned
Updated Guidance Developed
Flexibility Allowed for Submitters
Case-by-Case AdaptationsTesting Protocol DesignConsideration of Chemical PropertiesEPA Review of Results and ConclusionsEvaluations of Such Guidance with Real Cases – Case Study Developed
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Contact:
Anjali Lamba
lamba.anjali@epa.gov
Disclaimer: The documents identified in this presentation have not been formally disseminated by
the EPA and should not be construed to represent agency policy.
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