The Department is amending Chapter 62-302, F.A.C., to: (1) update a number of biological standard operating procedures, (2) reclassify a number of estuarine waterbodies from Class III to Class II, (3) replace criteria for un-ionized ammonia (fresh water) with criteria for total ammonia, (4) replace criteria for bacteriological quality (fecal coliform) with criteria for Escherichia coli bacteria (fresh water) and Enterococci bacteria (marine water), (5) establish new water quality criteria for nonylphenol, carbaryl (fresh water only), chlorpyrifos, and diazinon, (6) clarify the methodology for determining lake color and alkalinity when assessing nutrients in lakes, (7) revise the estuarine nutrient region boundaries for Naples Bay and Tampa Bay, (8) clarify the calculation of annual geometric and arithmetic means for nutrients in marine waters, and (9) update several rule references. The Department conducted an initial set of public workshops on June 10 and June 11, 2015, in Tallahassee and Orlando, respectively, followed by public workshops on September 15, September 16, and September 17, 2015, in West Palm Beach, Orlando, and Tallahassee, respectively. OTHER RULES INCORPORATING THIS RULE: Chapter 62-302, F.A.C., is referenced by the following rules: 18-2.021, 62-4.160, 62-4.241, 62-4.242, 62-4.244, 62-4.246, 62-25.001, 62-25.025, 62-25.080, 62-40.120, 62-40.210, 62-45.070, 62-45.170, 62-110.106, 62-113.200, 62-301.100, 62-302.200, 62-302.300, 62-302.400, 62-302.500, 62-302.520, 62-302.530, 62-302.531, 62-302.532, 62-302.540, 62-302.700, 62-302.800, 62-303.100, 62-303.200, 62-303.320, 62-303.330, 62-303.351, 62-303.352, 62-303.353, 62-303.354, 62-303.370, 62-303.390, 62-303.400, 62-303.430, 62-303.450, 62-303.720, 62-304.310, 62-304.335, 62-312.400, 62-330.100, 62-330.200, 62-330.405, 62-330.410, 62-330.412, 62-330.630, 62-340.700, 62-346.050, 62-346.051, 62-346.301, 62-348.200, 62-520.200, 62-520.520, 62-528.610, 62-528.630, 62-600.120, 62-600.200, 62-600.300, 62-600.400, 62-600.430, 62-600.440, 62-600.500, 62-600.520, 62-610.200, 62-610.300, 62-610.310, 62-610.554, 62-610.555, 62-610.650, 62-610.670, 62-610.810, 62-610.820, 62-610.830, 62-610.850, 62-610.860, 62-611.110, 62-611.200, 62-611.450, 62-611.500, 62-611.600, 62-611.650, 62-611.700, 62-620.320, 62-620.620, 62-621.303, 62-624.800, 62-625.400, 62-640.400, 62-650.300, 62-660.300, 62-673.340, 62-673.610, 62-701.200, 62-709.500, 62-711.540, 62-761.200, 62-762.201, 62-770.200, 62-771.100, 62-777.150, 62-777.170, 62-780.200, 62-782.200, 62-785.200, 62B-49.008, 62B-49.012, 62C-16.0051, F.A.C.