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Controlling Methyl Bromide Seasonal Exposure

Back to Fumigant Regulatory Issues

Fact Sheets

• About methyl bromide September 2003 (PDF, 103 kb)
• Setting methyl bromide target exposure levels September 2003 (PDF, 130 kb)
• DPR Regulation #03-004 (PDF, 46 kb): Buffer Zones (PDF, 117 kb) Methyl bromide field fumigation (approved and effective 11/3/04)

Risk Characterization

• Risk assessment
• Risk analysis of 2002 monitoring data
• Workshop on risk management considerations for methyl bromide subchronic toxicity
  (February 26, 2003)
  • Agenda (PDF, 22 kb)
  • Background information (PDF, 531 kb)
  • Risk Characterization of Subchronic Inhalation Exposure to Methyl Bromide (PDF, 196 kb)
    (staff presentation made at 2/26/03 workshop)
  • Comments from the workshop and DPR responses (PDF, 904 kb)
    • Appendix A (PDF, 4.8 mb)
    • Appendix B (PDF, 3.3 mb)

2004 Subchronic/Seasonal ExSposure Documents (additional documents relied upon
for Regulation 03-004)

• Evaluation of Ambient Air Monitoring Conducted by the Alliance of the Methyl Bromide Industry in Ventura and Monterey/Santa Cruz Counties in 2002. February 2004. Memo. (PDF, 191 kb)
• Review of Comparison of Methyl Bromide Gas Concentrations in the Tarp Soil Inter-Space: Deep Broadcast Tarped vs. Shallow Broadcast Tarped Fumigation. (Gillis and Smith 2003). February 2004. Memo. (PDF, 378 kb)
• Comparison of Methyl Bromide Gas Concentrations in the Tarp Soil Inter-space: Deep Broadcast Tarped vs. Shallow Broadcast Tarped Fumigation. September 2003. Report. (PDF, 4.5 mb)
• Effect of Air Resources Board Corrections Received in January 2004 on Calculation of Methyl Bromide Township Cap. January 2004. Memo. (PDF, 57 kb)
• Revised Risk Estimates For Kern Country Methyl Bromide Air Monitoring in 2001. March 2004. Memo. (PDF, 276 kb)
• Revised Exposures To Methyl Bromide in Kern County Based on Corrected Data for the Summer 2001 Monitoring by the California Air Resources Board. March 2004. Memo. (PDF, 192 kb)
• Corrections to Final Report for the 2001 Methyl Bromide and I ,3-Dichloropropene Air Monitoring in Kern County. December 2003. Memo. (PDF, 113 kb)

2003 Subchronic/Seasonal Exposure Documents

• Monitoring reports April 2003 (PDF, 1.9 mb) corrections (PDF, 839 kb)
• Exposure analysis June 2003 (PDF, 34 kb)
• Seasonal exposure definition June 2003 (PDF, 23 kb)
• Statistical methods for township cap calculation June 2003 (PDF, 29 kb)
• Calculation of township cap July 2003 (PDF, 484 kb)
• Evaluation of air monitoring data and pesticide use reports July 2003 (PDF, 2.0 mb)
• Worker exposure recommendations May 2003 (PDF, 243 kb)

2002 Subchronic/Seasonal Exposure Documents

• Cover letter (PDF, 24 kb)
• Summary and Analysis of 2001 Ambient Air Monitoring Data for Methyl Bromide June 2002 (PDF, 64 kb)
  • Report figures (PDF, 8 mb)
  • Appendix A: Results of individual methyl bromide air samples (PDF, 24 kb)
  • Appendix B: Methyl bromide exposure and risk evaluations (PDF, 828 kb)
  • Appendix C: Analysis of methyl bromide ambient air concentrations and use data (PDF, 3.7 mb)
• Air monitoring reports

2001 Subchronic/Seasonal Exposure Documents

• Methyl Bromide Risk Management Plan for Seasonal Community Exposures June 2001 (PDF, 44 kb)
  • Appendix A: Summary of air monitoring (PDF, 173 kb)
  • Appendix B: Summary of risk evaluation (PDF, 205 kb)
  • Appendix C: Empirical relationship between use and air concentration (PDF, 219 kb)
    • Figures showing methyl bromide high-use areas
  • Appendix D: Air Resources Board monitoring protocol for 2001 (PDF, 2.5 mb)
  • Reevaluation notice
  • Report of monitoring in Santa Barbara and Ventura Counties by the Alliance of the Methyl Bromide Industry required by the reevaluation notice. April 2002 (PDF, 8.6 mb)
  • Description of reevaluation process (PDF, 9 kb)
• Methyl Bromide Subchronic Exposure - Analysis of Data and Risk Management Options May 2001 (PDF, 5.3 mb)
  • Appendices (PDF, 3.4 mb)