(a) The forms on which bacteria counts are kept shall be of satisfactory paper stock of suitable size, providing space for necessary information.

(b) Each sheet shall be authenticated by the signature of the licensed technician and marked with the date upon which the tests were made. All bacteria test records shall be permanently identified with the name or number of the concern for whom the tests are made. The name and address of the testing laboratory shall appear on the bacteria test record sheet.

(c) The original bacteriological record sheet shall be delivered to the management of the concern for whom the tests are made immediately upon completion of the bacterial examination.

(d) All persons holding a technician's license shall make duplicate records of the result of each test, the original to be made with indelible ink.

(e) The duplicate bacteriological record sheets shall be available at the laboratory in hard copy for no less than 30 days, in addition to any back up copies of the data. After 30 days the records may be archived to any type of removable storage media where they are to be kept for a minimum of two years.