AWS WFDP : 1982

Personnel
Acknowledgements
Abstract
Acknowledgement
Section 1 Introduction
  Past Research
  Study Objective
  Devices Evaluated
  Evaluation of Ventilation Control
  Evaluation of the Air Purifying Helmet
  Testing Facility
Section 2 Conclusions
Section 3 Recommendations
Section 4 Discussion
  Usefulness of Controlled Test Results
  Need for Additional Industrial Assessment
  Evaluation of Control Measures for Other Processes
  Measuring Welders' Exposures
Section 5 Testing Procedures and Measurement Methods
  Welding Procedures
  Use of Control Devices
  Simulation of Open and Confined Space Conditions
  Air Sampling Program
Section 6 Evaluation of Effectiveness
  Introduction
  Exposure Reduction for Ventilation Controls
  Protection Factor for Air Purifying Helmet
Section 7 Evaluation of Applicability
  Usability
  Reliability
  Effect on Process
  Impact on Productivity
  Worker Acceptance
References
Appendix A: Breathing Zone and Area Concentration Averages
             and Ranges for Selected Fume Constituents
Appendix B: Statistical Summary of Breathing Zone and
             Area Sampling Results for the Various Fume
             Constituents
Appendix C: Correlations Among Fume Constituents
Appendix D: Lapel Versus In-Helmet Sampling Results
Appendix E: Chemical Analysis of Fume