On July 30, 2019, an authorized representative of the EPA conducted an inspection of the Marcus Hook Industrial Complex facility located at 100 Green Street in Marcus Hook, PA to determine compliance with the Risk Management Plan (RMP) regulations promulgated at 40 C.F.R. Part 68 under Section 112(r) of the Clean Air Act. EPA found that the Respondent had violated regulations implementing Section 112(r) of the Act, specifically, the owner or operator failed to document that equipment complies with recognized and generally accepted good engineering practices [68.65(d)(2)] for not properly labeling process piping and tanks in accordance with industry standards. Additionally, the owner or operator failed to its compliance audits every three years [68.79(a)]..