7 CFR § 58.529 - Chemical requirements.
§ 58.529 Chemical requirements.
(a) Moisture. See § 58.505(b).
(b) Milkfat. See § 58.505(b).
(c) pH. Not higher than 5.2.
(d) Phosphatase. Not more than 4 micrograms of phenol equivalent per gram of cheese.