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  1. Procedures for Collecting Wastewater Samples | US EPA

  2. Handbook for Sampling and Sample Preservation of Water and Wastewater

  3. Wastewater Sampling Techniques - Norweco

  4. Procedures for Collecting Wastewater Samples - US EPA

  5. Collecting and Preserving Waste and Wastewater Samples for …

  6. Wastewater/Stormwater – Pace Analytical