D.C. Mun. Regs. tit. 24, r. 24-3299
When used in this chapter, the following terms and phrases shall have the meaning ascribed:
Anchor - the fitting fastened to the window frame to which the safety belt terminal is attached.
Approved - approved by the Minimum Wage and Industrial Safety Board.
Director - the Director of Industrial Safety.
Double-head anchor (four-bolt system) - an anchor that has two (2) heads for attachments to each side of the window frame by two (2) through bolts for each anchor.
Employee - any person rendering service to an employer for compensation.
Employer - any person, firm, corporation, partnership, stock association, agent, manager, representative, or foreman, or other persons having control or custody of any industrial employment, place of employment, or of any employee. It shall include the District of Columbia or any instrumentality of the District, or the United States or any instrumentality of the United States.
Injury frequency rate - the number of disabling injuries per million employee-hours, or stated another way:
Frequency Rate | = | Number of disabling injuries x 1,0000,000 | ||
Number of employee-hours | ||||
Window cleaning - the operation of washing, wiping, or other methods of cleaning windows.
D.C. Mun. Regs. tit. 24, r. 24-3299