D.C. Mun. Regs. tit. 22, r. 22-C6404
A testing laboratory registrant shall be accredited pursuant to standard ISO/IEC 17025 of the International Organization for Standardization by a nonprofit, impartial organization that operates in conformance with standard ISO/IEC 17011 of the International Organization for Standardization and is a signatory to the Mutual Recognition Arrangement of the International Laboratory Accreditation Cooperation.
A testing laboratory registrant shall obtain the accreditation required by §§6404.1 of this subtitle within six (6) months after being issued a registration by the Board.
The Board may suspend or revoke the registration of a testing laboratory that fails to obtain the accreditation required by §§6404.1 of this subtitle within six (6) months after being issued a registration by the Board.
A registered testing laboratory shall remain in good standing with a Department approved proficiency testing program.
The Board shall conduct unannounced compliance inspections of registered testing laboratories on at least an annual basis.
The Board shall conduct investigations within seventy-two (72) hours of receiving a complaint against a registered testing laboratory.
D.C. Mun. Regs. tit. 22, r. 22-C6404