Section 50.31 - Applicability(1) For facilities that are classified by SIC codes 20 through 39, large quantity toxics users shall submit to the Department a toxics use report in accordance with 310 CMR 50.32(1) on or before July 1,1991.(2) For facilities that are classified by SIC codes 10 through 14,40,44 through 51,72,73,75 and 76, large quantity toxics users shall submit to the Department a toxics use report in accordance with 310 CMR 30.31(2) on or before July 1,1992.(3) Toxics users need not submit reports for facilities that have less than ten full-time employees unless: (a) the facility is within a priority user segment pursuant to M.G.L. c. 21I,§ 14, and(b) the Department requires the toxics user to submit a report for the facility in accordance with M.G.L. c. 21I,§§ 10 and 14.(4) Small quantity toxics users need not submit reports for facilities unless:(a) the facility is within a priority user segment pursuant to M.G.L. c. 21I,§ 14, and(b) the Department requires the toxics user to submit a report for the facility in accordance with M.G.L. c. 21I,§§ 10 and 14.