The appointing authority shall assure that all aspects of urine specimen collection are controlled to ensure integrity of the specimen. This includes either observation as the specimen is provided or methods to preclude adulteration. The appointing authority shall assure that a chain of custody is established consistent with forensic protocol standards. This means that the specimen is to be sealed in a special container and envelope which is signed by the individual being tested and by every other person who has custody until the specimen is delivered to the testing laboratory technician. All aspects of specimen receipt, identification, and testing shall be documented. The laboratory that tests the specimen shall retain all confirmed positive test: Specimens for 1 year or longer as may be required by the State; and Results for at least 3 years or longer as may be required by the State.