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MRAB Chapter 210/211 Changes: Definitions, Compliance, and Amendments

This document outlines the proposed changes to the definitions and regulations in Chapters 210 and 211 of the MRAB. It includes the addition, removal, and modification of various definitions, as well as updates to compliance requirements and enforcement measures.

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MRAB Chapter 210/211 Changes: Definitions, Compliance, and Amendments

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  1. MRAB Chapter 210/211 Changes

  2. Chapter 210-Definitions • Remove definitions for: • Employee Possessor • Explosives Materials • Responsible person • Add definition for Explosives

  3. Chapter 210 • 210.13 Eliminate background check and put compliance in present tense

  4. Chapter 211-Definitions • Add definition for At-the-hole communication • Add context to Cube Root Scaled distance • Remove definitions for • Employee Possessor • Explosives Materials • Responsible person • Add definition for Explosives

  5. Chapter 211-Definitions • Remove (ii) from Flyrock definition about beyond the property • Add definition for FMCSA inspection • Remove definition of nuisance • Add definitions for MSHA and OSHA • Add context for Square Root scaled distance • Remove definitions for Unauthorized actions

  6. 211.103 Enforcement • Remove proposed paragraph 4 about employee possessors and responsible persons

  7. 211.117 Daily Summary of Magazine Transactions • Add another federal rule citation

  8. 211.121 General Requirements • (e) Change the context to present tense • (f) Change “all subcontractors” to “Blasting contractor”

  9. 211.124 Blasting Activity Permits • (a)(3) Change “Contract Blaster” to “Blasting contractor” • (a)(5) Change “independent contractors” to “Blasting contractor” • (a)(9) specify square root scaled distance, except for demolition blasting which uses cube root scaled distance • (a)(2) Eliminate notification requirement

  10. 211.133 Blast Reports • (a)(9) Clarify the description of the conditions of the area around the blast site • (a)(19) Specify square root scaled distance, except for demolition blasting which uses cube root scaled distance • (a)(26) remove reference to the purpose of the drilled holes

  11. 211.141 Transportation • Add the option for a Federal Vehicle Inspection

  12. 211.151 Blasting Activities • Remove the proposed reference to nuisance • Delete additional “peaks” modifying particle velocity (sections f and g)

  13. 211.152 Gases • Remove the words “toxic” and “noxious”

  14. 211.155 Preblast Measures • Revise the signage requirements to comply with OSHA or MSHA regulations, as applicable

  15. 211.171 Monitoring • Specify square root scaled distance

  16. 211.201 Civil Penalties • Delete the reference to unauthorized activities

  17. Bureau of Mining Programs717-787-5103

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