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e-CFR data is current as of February 25, 2021

Title 7Subtitle BChapter ISubchapter CPart 58Subpart B → §58.406


Title 7: Agriculture
PART 58—GRADING AND INSPECTION, GENERAL SPECIFICATIONS FOR APPROVED PLANTS AND STANDARDS FOR GRADES OF DAIRY PRODUCTS
Subpart B—General Specifications for Dairy Plants Approved for USDA Inspection and Grading Service


§58.406   Starter facility.

A separate starter room or properly designed starter tanks and satisfactory air movement techniques shall be provided for the propagation and handling of starter cultures. All necessary precaution shall be taken to prevent contamination of the facility, equipment and the air therein. A filtered air supply with a minimum average efficiency of 90 percent when tested in accordance with the ASHRAE Synthetic Dust Arrestance Test should be provided so as to obtain outward movement of air from the room to minimize contamination.

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