31 F.3d 18 39 ERC 1037, 29 Fed.R.Serv.3d 1186,25 Envtl. L. Rep. 20,080 AMERICAN AUTOMOBILE MANUFACTURERS ASSOCIATION, et al.,Plaintiffs, Appellants,v.COMMISSIONER, MASSACHUSETTS DEPARTMENT OF ENVIRONMENTALPROTECTION, et al., Defendants, Appellees. No. 93-2276. United States Court of Appeals,First Circuit. Heard April 5, 1994.Decided Aug. 3, 1994. Edward W. Warren, with whom Daniel F. Attridge, Stuart A.C. Drake, Gary […]