The Department of Natural Resources amended Mo. Code Regs. Ann. tit.10, §20.6.010, Construction and Operating Permits. Changes alter the exemption for the application of pesticides, add an exemption for hydrant flushing, and clarify the requirements for continuing authority status. There will be a public hearing November 2, 2011, and the deadline for comment is November 16. http://www.sos.mo.gov/adrules/moreg/current/v36n16/v36n16b.pdf pp. 1895-1908.