(April 11, 2019, 10:53 AM EDT) -- HATO REY, Puerto Rico — A federal judge in Puerto Rico on March 25 ruled that a company that is liable for groundwater contamination could not assert a third-party defense and ordered the U.S. government, which is in charge of remediating the chemical hazard, to specify which response actions underlie the costs it says the chemical company is liable for paying (United States v. Puerto Rico Industrial Development Company, No. 15-2328, D. Puerto Rico, 2019 U.S. Dist. LEXIS 52194)....