Mealey's (February 18, 2020, 12:07 PM EST) -- HOUSTON — An insurer has a duty to defend against damages of $1.5 million related to an insured’s sale of contaminated ceramic proppant because it provided sufficient notice to trigger coverage under a professional liability insurance policy in effect in 2016, a Texas federal magistrate judge found Feb. 13 (Evanston Insurance Co. v. OPF Enterprises, LLC, No. 17-2048, S.D. Texas, 2020 U.S. Dist. LEXIS 25652)....