Under the federal regulations of 33CFR Subchapter O, what is the definition of a "Type I Marine Sanitation Device"?
Official USCG Answer & Rule Citation
Correct Answer: Option C — A device that produces a fecal coliform bacteria count not greater than 1,000 per 100 milliliters and no visible floating solids.
A Type I MSD is a flow-through device that treats sewage to meet specific effluent standards. It must produce an effluent with a fecal coliform bacteria count not greater than 1,000 per 100 milliliters and have no visible floating solids, suitable for vessels less than 65 feet in length.
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