Specifications include, but are not limited to: 3.2.1Laboratory –Sample Collection, Transportation, and StorageA separate Vendor (collection only) may be responsible for collecting, packaging, and preparing urine specimens for transport to the Vendor for testing. Vendor will schedule express courier service as determined by County approved testing schedule.3.2.1.1The Vendor shall be responsible for a lab-authorized courier servicethat will pick up and transport specimens to the Vendor’s laboratory at least two times per week (as determined by testing schedule).3.2.1.2The Vendor shall maintain strict chain-of-custody procedures to ensure that the results are correctly matched tothe person who provided the specimen, and transfer all specimens in a manner to preserve the chain-of-custody.3.2.1.3The Vendor shall provide written instructions for the shipping process and tracking system, including how to access the tracking system, to Collection vendor.3.2.2Laboratory –Specimen Validity TestingThe Vendor shall possess strict protocol related to specimen validity, tampering and adulteration, including creatinine testing for dilutionas recommended by the Substance Abuse and Mental Health Services Administration (SAMHSA). 3.2.3Laboratory –Adulterant Validity TestingThe Vendor has the capability to test specimens for signs of adulteration. This examination will include physical (abnormal or unusual color or odor, excessive foaming, and excess sediments) and analytical (checking for creatinine, PH, specific gravity, nitrates and oxidants).Contractor will also be able to identify chemicals intended to alter or interfere with test results.