This Standard sets out a disc assay method using Bacillus stearothermophilus for testing milk and other dairy products for penicillin at or above a level of 0.003 μg/mL (0.005 IU/mL).
AS 1766.3-11:1991 history
1991AS 1766.3-11:1991 Food microbiology Method 3.11: Examination of specific products - Dairy products - Test for penicillin