• Table of Contents
  • Background
  • Part A. Guidance on corrosion control
    • A.1 Introduction and background
    • A.2 Corrosion control programs and protocols
      • A.2.1 Monitoring program for residential sites: option 1
      • A.2.2 Monitoring program for residential sites: option 2
      • A.2.3 Frequency of sampling for residential monitoring
      • A.2.4 Number and selection of sites for residential monitoring
      • A.2.5 Monitoring program for non-residential sites
    • A.3 Responsibilities
    • A.4 Sampling protocols and action levels for lead
      • A.4.1 Initial monitoring for residential sites: option 1
      • A.4.2 Initial monitoring for residential sites: option 2
      • A.4.3 Initial monitoring for non-residential sites
  • Part B. Supporting Information
    • B.1 Principles of corrosion in drinking water distribution systems
      • B.1.1 Main contaminants from corrosion of drinking water distribution systems
      • B.1.2 Sources of contaminants in distribution systems
    • B.2 Challenges in measuring corrosion
      • B.2.1 Levels of contaminants at the tap
      • B.2.2 Factors influencing levels of contaminants at the tap
    • B.3 Methods for measuring corrosion
      • B.3.1 Corrosion indices
      • B.3.2 Coupons and pipe rig systems
      • B.3.3 Lead monitoring at the tap
    • B.4 Treatment/control measures for lead, copper and iron
      • B.4.1 Materials in drinking water distribution systems
      • B.4.2 Controlling pH and alkalinity
      • B.4.3 Corrosion inhibitors
      • B.4.4 Flushing and maitenance
      • B.4.5 Drinking water treatment devices
    • B.5 Rationale for monitoring programs for assessing corrosion
      • B.5.1 Residential monitoring programs
      • B.5.2 Determination of sampling protocols and action level for residential monitoring program: option 1
      • B.5.3 Determination of sampling protocols and action levels for residential monitoring program: option 2
      • B.5.4 Determination of residential monitoring sites
      • B.5.5 Determination of sampling protocols and action levels for non-residential monitoring programs
      • B.5.6 Determination of non-residential monitoring sites
  • Part C. Acronymns, tables and references
    • C.1 Acronyms
    • C.2 Guidance on determination of 90th percentile
    • C.3 Principal factors influencing the corrosion and leaching of lead, copper, iron and cement
    • C.4 Conditions favouring lead leaching and indicators of lead leaching in drinking water distribution and plumbing systems
      • C.4.1 At the treatment plan
      • C.4.2 Within the distribution system
      • C.4.3 Within the plumbing system
      • C.4.4 At the tap
    • C.5 Guidance on prioritizing residential monitoring sites
    • C.6 Plumbing profile determination
    • C.7 References