D.C. Mun. Regs. tit. 25-F, § 407
407.1 Tanning equipment and devices shall be maintained in good repair in order to prevent any mechanical safety hazards.
407.2 The licensee shall ensure that tests are performed quarterly on each assembly of tanning equipment or device and documented in writing to ensure that:
(a) The timer is accurately calibrated to within ten percent (10%) of the maximum timer interval for the product as specified in Section 402.3; and
(b) The consumer is able to terminate radiation emissions manually as specified in Section 400.4.
407.3 Maintenance tests shall include the date of the test, and the timer test shall include the indicated time versus the measured time.
407.4 The timer shall be tested at the tanning equipment manufacturer’s recommended maximum exposure time.
SOURCE: Final Rulemaking published at 60 DCR 3582 (March 15, 2013).