Mecconti conforms to the requirements of the ATCC Licensed Derivative@ Program for ensuring the identity and purity of ATCC@ microorganisms contained in its quality control microbiology products.The ATCC Licensed Derivative Program is a standard for monitoring the quality of microorganism derived from ATCC biological materials and used in quality control processes. ATCC assures that the microbial strains contained in commercial quality control production marked with the Emblem have been approved for distribution and sale as derivatives of ATCC biological materials.