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67 Years Working for Clean Water: 1947 through 2014

Wastewater & Onsite Systems

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    The Wastewater Treatment Plant Operators Guide to Biosolids Sampling Plans

    Residuals are the organic, nutrient-rich residues removed from wastewater during the treatment process. If they’ve been processed so they can be applied to land as fertilizer, they also go by another name—biosolids. But before biosolids can actually be land applied, samples must be analyzed in a laboratory to determine if they comply with state and federal land application regulations. If decisions on compliance are to be accurate and credible, it is vital that those doing the sampling are doing it the right way.

    In 2006, NEIWPCC published The Wastewater Treatment Plant Operators Guide to Biosolids Sampling Plans. The manual covers proper sample collection, handling, and documentation procedures; laboratory and detection limit considerations; and data reporting. It emphasizes the benefits of pre-planning for sampling events including the development of a comprehensive sampling plan, and it offers guidelines for the solicitation of laboratory services. All of this should be particularly helpful for staff at small- to medium-sized treatment plants, who often aren’t experienced at sampling residuals and may be unfamiliar with working with laboratories. The guide was the product of an intensive development process that included extensive review by peers and technical experts.

    PLEASE NOTE: We are aware that the holding time for mercury is incorrectly listed as 6 months in the Federal Sludge Analytical Requirements table in Appendix B and D of the printed edition. The correct holding time for mercury is 28 days. We have revised the downloadable edition to reflect the proper mercury hold time.

    Downloading this Guide
    Download a complete PDF of:

    The Wastewater Treatment Plant Operators Guide to Biosolids Sampling Plans

    or, download a section of the guide as listed below.

    To order a hard-copy, download an order form. For more information, contact Michael Jennings, NEIWPCC.

     

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