33 C.F.R. § 159.127 Safety coliform count: Recirculating devices.
Title 33 - Navigation and Navigable Waters
Thirty-eight of forty samples of flush fluid from a recirculating device must have less than 240 fecal coliform bacteria per 100 milliliters. These samples must be collected in accordance with §159.123(b) and tested in accordance with 40 CFR Part 136. [CGD 73–83, 40 FR 4624, Jan. 30, 1975, as amended by CGD 75–213, 41 FR 15326, Apr. 12, 1976]
Title 33: Navigation and Navigable Waters
PART 159—MARINE SANITATION DEVICES
Subpart C—Design, Construction, and Testing
§ 159.127 Safety coliform count: Recirculating devices.

