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Last Updated: Tuesday, 02-Sep-2008 16:32:06 EDT

OAC Chapter 3745-4
Credible Data Rules

The following is a complete list of the rules in Chapter 3745-4 of the Ohio Administrative Code. The documents are available in the Adobe Acrobat™, PDF format. Download an Adobe Acrobat™ reader for your operating system from Adobe.

More information about Ohio's volunteer monitoring program is available here.

Download the entire Chapter 3745-4 here (147k), or download individual rules below.

  • Table of Contents (7k)
  • 3745-4-01 Purpose and applicability (PDF 11k)
  • 3745-4-02 Definitions (PDF 14k)
  • 3745-4-03 Qualified data collectors (PDF 26k)
  • 3745-4-04 Level 1 data requirements and reporting (PDF 14k)
    • Appendix A Some examples of acceptable analytical methods for level 1 and level 2 credible data (PDF 30k)
  • 3745-4-05 Level 2 data requirements and reporting (PDF 15k)
    • Appendix A Guidelines for the preparation of level 2 project study plans (PDF 10k)
    • Appendix B Guidelines for laboratory quality assurance plans (PDF 9k)
    • Appendix C Some examples of acceptable analytical methods for level 1 and level 2 credible data (PDF 31k)
  • 3745-4-06 Level 3 data requirements and reporting (PDF 25k)
    • Appendix A Guidelines for the preparation of level 3 project study plans (PDF 11k)
    • Appendix B Guidelines for laboratory quality assurance plans (PDF 11k)

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