310 CMR, § 40.0990Download PDFCurrent through Register 1533, October 25, 2024Section 40.0990 - Risk Characterization Method 3310 CMR, § 40.0990Amended by Mass Register Issue 1407, eff. 12/27/2019.Amended by Mass Register Issue 1503, eff. 3/1/2024.Amended by Mass Register Issue S1516, eff. 3/1/2024.