Specifications include, but are not limited to: endor will take security measures to prevent unauthorized access that could compromise the integrity of the collection process or the specimen. ii. Chain of custody procedures will be followed by authorized collection site personnel. iii. No unauthorized personnel will be permitted in any part of the designated collection site where urine specimens are collected or stored. iv. The procedures for collection of a specimen shall allow individual privacy, unless there is reason to believe that an individual may alter or substitute the specimen provided. v. Precautions will be taken to ensure that a urine specimen is not adulterated or diluted during the collection procedure, and that information on the urine bottle and on the urine custody and control form can identify the individual from whom the specimen was collected.