46 CFR §148.265

1. (a)This part does not apply to fish meal or fish scrap that contains less than 5 percent moisture by weight.
2. (b)Fish meal or fish scrap may contain a maximum of 12 percent moisture by weight and a maximum of 15 percent fat by weight.
3. (c)At the time of production, fish meal or fish scrap must be treated with an effective antioxidant (at least 400 mg/kg (ppm) ethoxyquin, at least 1000 mg/kg (ppm) butylated hydroxytoluene, or at least 1000 mg/kg (ppm) of tocopherol-based liquid antioxidant).
4. (d)Shipment of the fish meal or fish scrap must take place a maximum of 12 months after the treatment prescribed in paragraph (c) of this section.
5. (e)Fish meal or fish scrap must contain at least 100 mg/kg (ppm) of ethoxyquin or butylated hydroxytoluene or at least 250 mg/kg (ppm) of tocopherol-based antioxidant at the time of shipment.
6. (f)At the time of loading, the temperature of the fish meal or fish scrap to be loaded may not exceed 35 °C (95 °F), or 5 °C (9 °F) above the ambient temperature, whichever is higher.
7. (g)For each shipment of fish meal or fish scrap, the shipper must give the master a written certification stating—
   1. (1)The total weight of the shipment;
   2. (2)The moisture content of the material;
   3. (3)The fat content of the material;
   4. (4)The type of antioxidant and its concentration in the fish meal or fish scrap at the time of shipment;
   5. (5)The date of production of the material; and
   6. (6)The temperature of the material at the time of shipment.
8. (h)During a voyage, temperature readings must be taken of fish meal or fish scrap three times a day and recorded. If the temperature of the material exceeds 55 °C (131 °F) and continues to increase, ventilation to the hold must be restricted. This paragraph does not apply to shipments by unmanned barge.