Chapter 6a. National Laboratory Accreditation 7 U.S. Code §138. Definitions 7 U.S. Code §138a. National Laboratory Accreditation Program 7 U.S. Code §138b. Accreditation 7 U.S. Code §138c. Samples 7 U.S. Code §138d. Application 7 U.S. Code §138e. Reporting 7 U.S. Code §138f. Fees 7 U.S. Code §138g. Public disclosure 7 U.S. Code §138h. Regulations 7 U.S. Code §138i. Effect of other laws