Does the ADA supersede a state Workman's Compensation Act?

QUESTION(S) PRESENTED Does the provisions of the Americans with Disabilities Act (“ADA”), a federal statute, supersede a Workman’s Compensation Act (“WCA”), such as the Police and Firefighters Retirement and Disability Act (“PFRDA”), a state law governing disability and disability provisions of the District of Columbia Police, Firefighters and Capitol Police, as articulated by the United States Equal Employment Opportunity Commissions guidelines addressing WCA, ADA and Family Medical Leave Act (“FMLA”)? . ii