7 CFR §58.159

1. (a)Fresh and sweet. Free from “old milk” flavor of developed acidity or other off-flavors.
2. (b)Normal feed. Regional feed flavors, such as alfalfa, clover, silage, or similar feeds or grasses (weed flavors, such as peppergrass, French weed, onion, garlic, or other obnoxious weeds, excluded).
3. (c)Off-flavors. Tastes or odors, such as utensil, bitter, barny, or other associated defects when present to a degree readily detectable.
4. (d)Developed acidity. An apparent increase from the normal acidity of the milk to a degree of taste and odor which is detectable.
5. (e)Extraneous matter. Foreign substances, such as filth, hair, insects and fragments thereof, and rodents, and materials, such as metal, fiber, wood and glass.
6. (f)Sediment. Fine particles of material other than the foreign substances and materials defined in paragraph (e) of this section.
7. (g)C.I.P. The abbreviation of an approved system of cleaning pipelines called “Cleaned-in-Place.”
8. (h)Mechanical cleaning. Denotes cleaning solely by circulation and/or flowing chemical detergent solution and water rinses onto and over the surfaces to be cleaned, by mechanical means.