New York Codes, Rules and Regulations
Title 1 - DEPARTMENT OF AGRICULTURE AND MARKETS
Chapter I - Milk Control
Subchapter A - Dairy Products (Article 4, Agriculture and Markets Law)
Part 6 - Sampling And Testing Milk For Component Content
Requirements for Milk Receivers
Section 6.18 - Equipment and procedures

(a) use the equipment and the procedures for taking and maintaining universal samples as provided for in Standard Methods and Appendix 6 of Part 3 of this Title, except as provided for in this Part; and

(b) possess equipment and materials to determine the strength of the sanitizer used, to be used or which can reasonably be expected to be used. A milk receiver shall determine the strength of the sanitizer as often as is necessary to ensure that its concentration meets the requirements set forth in Standard Methods.