Disinfectant and Disinfection Byproduct rules

Forms

• THM and HAA5 (Stage 2)
  • Sample site plan (monitoring plan).
  • Sample site change form (monitoring plan).
  • Operational evaluation level (OEL) report template and worksheet.
  • Calculations (do not submit to us).
    • Locational running annual average (LRAA) - Online.
    • Locational running annual average (LRAA) - MS Excel.
• Chlorite and chlorine dioxide
  • Chlorite/Chlorine Dioxide (monitoring plan).
  • Daily entry point chlorine dioxide and chlorite online form.
• Disinfection byproduct precursors
  • Disinfection byproduct precursor compliance calculation form instructions.
  • Disinfection byproduct precursor compliance calculation form.

Guidance

• How do I choose my sample site location and peak month?
• Total Trihalomethanes (TTHM) and Haloacetic Acids (HAA5) Fact Sheet.
• Disinfectants and Disinfection Byproduct Rule guidance handbook (2002).
• Quick guide: Disinfection Byproduct Precursors.
• Quick guide: Minimum disinfection for groundwater.
• Quick guide: Disinfectant residual.
• Color wheel.

Chlorine Dioxide and Chlorite Online Form

• Instructions.