; and (2) any grantees that were provided a 100-percent Federal share under this section. 16. Geohazard mitigation study (a) In general Not later than 1 year after the date of enactment of this Act, the Comptroller General of the United States shall prepare a report containing— (1) the results of a study that— (A) evaluates Federal and State, as applicable, requirements for gas, hazardous liquid, and carbon dioxide pipeline facility design, siting, construction, operation and maintenance, and integrity management relating to geohazards, including seismicity, land subsidence, landslides, slope instability, frost heave, soil settlement, erosion, river scour, washouts, floods, unstable soil, water currents, hurricanes, dynamic geologic conditions, tsunamis, tornados, wildfires, floods, ice storms, or other hazards that may cause a pipeline to move or be affected by abnormal external loads; (B) evaluates any industry consensus standards or best practices related to the requirements described in subparagraph (A); (C) evaluates the implementation by operators of Federal and State regulations related to geohazards and application of recommendations included in the Advisory Bulletin of the Pipeline and Hazardous Materials Safety Administration titled Pipeline Safety: Potential for Damage to Pipeline Facilities Caused by Earth Movement and Other Geological Hazards , issued on May 2, 2019 (PHMSA–019–0087); (D) identifies any discrepancies in the requirements described in subparagraph (A) and advisories, industry consensus standards, or best practices for operators of gas, hazardous liquid, and carbon dioxide pipeline facilities; and (E) identifies any areas relating to geohazards not addressed under subparagraphs (A) through (D)