 IRVINE, Calif. EL DORADO HILLS, Calif.--BUSINESS WIRE--Montrose Environmental Group, Inc. the Company or Montrose NYSE: MEG today announced the acquisition of Vista Analytical Laboratory Vista, a premier environmental laboratory for the testing and analysis of polyfluoroalkyl substances PFAS, dioxins and other persistent organic pollutants. Vistas leadership team, including President Martha Maier, will join Montrose, and the business will be integrated into the Companys Meas 