; (2) recommendations necessary to address issues, if any, relating to patient access to care under such Act; and (3) an evaluation of whether the benefit payments authorized under such Act, as amended by this Act, are sufficient to meet the expenses of disabled miners, surviving spouses, dependents, and other family members entitled to receive benefits under the Black Lung Benefits Act. II Standard for respirable dust concentration 201. Standard for respirable dust concentration Section 202 of the Federal Mine Safety and Health Act of 1977 ( 30 U.S.C. 842 ) is amended by adding at the end the following: (i) Reports (1) Retrospective study (A) In general Beginning on August 1, 2021, the Secretary shall conduct a retrospective study evaluating data collected using continuous personal dust monitors to determine whether to— (i) lower the applicable standard for respirable dust concentration to protect the health of miners; (ii) increase the frequency for taking samples of respirable dust concentration, using continuous personal dust monitors; (iii) modify the engineering controls and work practices used by mine operators to comply with the applicable standard for respirable dust concentration; (iv) convert samples taken for shifts that are greater than 8 hours to an 8-hour equivalent concentration to more accurately assess the conditions of miners working on longer shifts