40 CFR 141.552 - My system consists of “alternative filtration” and is required to conduct a demonstration - what is required of my system and how does the State establish my turbidity limits?

§ 141.552 My system consists of “alternative filtration” and is required to conduct a demonstration - what is required of my system and how does the State establish my turbidity limits?

(a) If your system consists of alternative filtration(filtration other than slow sand filtration, diatomaceous earth filtration, conventional filtration, or direct filtration) you are required to conduct a demonstration (see tables in § 141.551). Your system must demonstrate to the State, using pilot plant studies or other means, that your system's filtration, in combination with disinfection treatment, consistently achieves:

(1) 99 percent removal of Cryptosporidium oocysts;

(2) 99.9 percent removal and/or inactivation of Giardia lamblia cysts; and

(3) 99.99 percent removal and/or inactivation of viruses.

(b) [Reserved]

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United States Code

Title 40 published on 10-May-2017 04:28

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 40 CFR Part 141 after this date.

  • 2017-04-11; vol. 82 # 68 - Tuesday, April 11, 2017
    1. 82 FR 17406 - Use of Lead Free Pipes, Fittings, Fixtures, Solder and Flux for Drinking Water; Extension of Comment Period
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Proposed rule; extension of comment period.
      Comments must be received on or before May 17, 2017.
      40 CFR Parts 141 and 143