On March 24, 2024, a Consent Agreement and Final Order entered into by EPA and Weakland's Mechanic Shop, Inc. ( Respondent ) was filed with the Regional Hearing Clerk settling alleged violations of the CAA. The violations were discovered as a result of an investigation into activities at Respondent s shop located at 144 Eckenrode Mill Road in Chest Springs, Pennsylvania where it was determined that Respondent knowingly removed or rendered inoperative certified emission controls installed on at least 122 unique light, medium and heavy-duty diesel trucks and engines, and sold at least 190 parts or components that defeat certified emission controls on light, medium and heavy-duty diesel trucks and engines in 2019 and 2020. As these emissions controls are devices or elements of design installed by vehicle and engine manufacturers in compliance with regulations under the Title II of the CAA, Respondent?s conduct constitutes both illegal ?tampering? under Section 203(a)(3)(A) of the CAA and illegal sales of ?defeat devices? under Section 203(a)(3)(B) of the CAA.
Respondent?s conduct created a potential harm to human health by defeating controls on emissions of particulate matter and ozone which are linked to a number of health effects as well as premature death; carbon monoxide which can cause headaches, dizziness, vomiting, nausea, loss of consciousness, and heart disease; and nitrogen oxides which can aggravate respiratory diseases. Respondent?s illegal sales also create a