The U.S. Environmental Protection Agency (EPA) has reviewed the above-referenced entry for compliance with the Clean Air Act (Act), and by this letter conveys its recommendation to U.S. Customs and Border Protection (CBP) that CBP seize or export 1 Diesel Excavator (nonroad compression-ignition engine) imported by Mali International USA Inc. This letter summarizes the applicable law and provides greater detail regarding EPAs determination and recommendation.