Mealey's (November 16, 2022, 12:46 PM EST) -- PORTLAND, Ore. — The United States can seek cost recovery under Section 107 of the Comprehensive Environmental Response, Compensation, and Liability Act from several oil companies for non-benzol sulfuric acid waste cleanup costs incurred at a site that was polluted with aviation gas (avgas) byproducts, despite voluntarily incurring some of those costs, because the Ninth Circuit U.S. Court of Appeals previously held that the United States was not liable for the non-benzol costs at the site, a Ninth Circuit panel held in affirming a trial court’s grant of summary judgment....