Changes address a) how samples collected within four days are assessed for compliance with the fecal coliform criteria, b) which component of the fecal coliform criteria will be assessed using the binomial method, c) how many exceedances of the monthly average criteria are needed to list waters as impaired, d) how samples are assessed for representativeness, and e) how waters listed for fecal coliform impairment will be delisted. The proposed revisions also include a new delisting provision for waters listed for synthetic organics and pesticides.