62-302.530, Criteria for Surface Water Quality ClassificationsClass III: Recreation, Propagation andMaintenance of a Healthy, WellBalanced Population of Fish andWildlifeParameterUnitsClass I:Potable WaterSupplyClass II: ShellfishPropagation orHarvestingPredominantlyFresh WatersPredominantlyMarine WatersClass IV: Agricultural Water SuppliesClass V: Naviga-tion, Utility, andIndustrial Use(1) AlkalinityMilligrams/L asCaCO3Shall not bedepressed below20Shall not bedepressed below 20<600(2) AluminumMilligrams/L<1.5<1.5(3) Ammonia(un-ionized)Milligrams/L asNH3<0.02<0.02(4) AntimonyMicrograms/L<14.0<4,300<4,300<4,300(5) (a) Arsenic(total)Micrograms/L≤10<50<50<50<50<50(5) (b) Arsenic(trivalent)Micrograms/Lmeasured as totalrecoverableArsenic<36<36Parameter Units Class I Class II Class III:FreshClass III:MarineClass IV Class VNotes:(1) "ln H" means the natural logarithm oftotal hardness expressed as milligrams/L of CaCO3. For metals criteria involving equations withhardness, the hardness shall be set at 25 mg/L if actual hardnessis < 25 mg/L and set at 400 mg/L if actual hardness is > 400mg/L; (2) This criterion isprotective of human health not of aquatic life. (3) For application of dissolved metals criteria see 62-302.500(2)(d), F.A.C.(6) BacteriologicalQuality (FecalColiform Bacteria)Number per 100 ml(Most ProbableNumber (MPN) orMembrane Filter(MF))MPN or MF countsshall not exceed amonthly average of200, nor exceed400 in 10% of thesamples, norexceed 800 on anyone day. Monthlyaverages shall beexpressed asgeometric meansbased on aminimum of 5samples taken overa 30 day period.MPN shall notexceed a medianvalue of 14 withnot more than 10%of the samplesexceeding 43, norexceed 800 on anyone day.MPN or MF countsshall not exceed amonthly average of200, nor exceed400 in 10% of thesamples, norexceed 800 on anyone day. Monthlyaverages shall beexpressed asgeometric meansbased on aminimum of 10samples taken overa 30 day period.MPN or MF countsshall not exceed amonthly average of200, nor exceed400 in 10% of thesamples, norexceed 800 on anyone day. Monthlyaverages shall beexpressed asgeometric meansbased on aminimum of 10samples taken overa 30 day period.(7) BariumMilligrams/L<1(8) BenzeneMicrograms/L<1.18<71.28 annual avg.<71.28 annual avg.<71.28 annual avg.(9) BerylliumMicrograms/L<0.0077 annualavg.<0.13 annual avg.<0.13 annual avg.<0.13 annual avg.<100 in waterswith a hardness inmg/L of CaCO3ofless than 250 andshall not exceed500 in harderwatersParameter Units Class I Class II Class III:FreshClass III:MarineClass IV Class VNotes:(1) "ln H" means the natural logarithm oftotal hardness expressed as milligrams/L of CaCO3. For metals criteria involving equations withhardness, the hardness shall be set at 25 mg/L if actual hardnessis < 25 mg/L and set at 400 mg/L if actual hardness is > 400mg/L; (2) This criterion isprotective of human health not of aquatic life. (3) For application of dissolved metals criteria see 62-302.500(2)(d), F.A.C.(10) BiologicalIntegrityPer cent reductionof ShannonWeaver DiversityIndexThe Index forbenthicmacroinvertebratesshall not bereduced to less than75% of background levels asmeasured usingorganisms retainedby a U. S. StandardNo. 30 sieve andcollected and composited from aminimum of threeHester-Dendy typeartificial substratesamplers of 0.10 to0.15 m2area each,incubated for aperiod of fourweeks.The Index forbenthicmacroinvertebratesshall not bereduced to less than75% of establishedbackground levelsas measured usingorganisms retainedby a U. S. StandardNo. 30 sieve andcollected and composited from aminimum of threenatural substratesamples, taken withPonar typesamplers with minimum sampling areaof 225 cm2.The Index forbenthicmacroinvertebratesshall not bereduced to less than75% of establishedbackground levelsas measured usingorganisms retainedby a U. S. StandardNo. 30 sieve andcollected and composited from aminimum of threeHester-Dendy typeartificial substratesamplers of 0.10 to0.15 m2area each,incubated for aperiod of fourweeks.The Index forbenthicmacroinvertebratesshall not bereduced to less than75% of establishedbackground levelsas measured usingorganisms retainedby a U. S. StandardNo. 30 sieve andcollected and composited from aminimum of threenatural substratesamples, taken withPonar type samplers with minimum sampling areaof 225 cm2.(11) BOD(BiochemicalOxygen Demand)Shall not be increased to exceed values which would cause dissolved oxygen to be depressed below the limitestablished for each class and, in no case, shall it be great enough to produce nuisance conditions.(12) BoronMilligrams/L<0.75(13) BromatesMilligrams/L<100<100(14) Bromine (freemolecular)Milligrams/L<0.1<0.1Parameter Units Class I Class II Class III:FreshClass III:MarineClass IV Class VNotes:(1) "ln H" means the natural logarithm oftotal hardness expressed as milligrams/L of CaCO3. For metals criteria involving equations withhardness, the hardness shall be set at 25 mg/L if actual hardnessis < 25 mg/L and set at 400 mg/L if actual hardness is > 400mg/L; (2) This criterion isprotective of human health not of aquatic life. (3) For application of dissolved metals criteria see 62-302.500(2)(d), F.A.C.(15) CadmiumMicrograms/LSee Notes (1) and(3).Cd <e(0.7409[lnH]-4.719)< 8.8Cd<e(0.7409[lnH]-4.719)< 8.8(16) Carbon tetrachlorideMicrograms/L<0.25 annualavg.;3.0 max<4.42 annual avg.<4.42 annual avg.<4.42 annual avg.(17) ChloridesMilligrams/L<250Not increased morethan 10% abovenormal background. Normaldaily and seasonalfluctuations shallbe maintained.Not increased morethan 10% abovenormal background. Normaldaily and seasonalfluctuations shallbe maintained.In predominantlymarine waters, notincreased morethan 10% abovenormal background. Normaldaily and seasonalfluctuations shallbe maintained.(18) Chlorine (totalresidual)Milligrams/L<0.01<0.01<0.01<0.01(19) (a) Chromium(trivalent)Micrograms/Lmeasured as totalrecoverableChromiumSee Notes (1) and(3).Cr (III)≤e(0.819[lnH]+0.6848)Cr (III)≤e(0.819[lnH]+0.6848)Cr (III)≤e(0.819[lnH]+0.6848)In predominantlyfresh waters,≤e(0.819[lnH]+0.6848)(19) (b) Chromium(hexavalent)Micrograms/LSee Note (3)<11<50<11<50<11In predominantlyfresh waters,<11.In predominantlymarine waters,<50Parameter Units Class I Class II Class III:FreshClass III:MarineClass IV Class VNotes:(1) "ln H" means the natural logarithm oftotal hardness expressed as milligrams/L of CaCO3. For metals criteria involving equations withhardness, the hardness shall be set at 25 mg/L if actual hardnessis < 25 mg/L and set at 400 mg/L if actual hardness is > 400mg/L; (2) This criterion isprotective of human health not of aquatic life. (3) For application of dissolved metals criteria see 62-302.500(2)(d), F.A.C.(20) ChronicToxicity (seedefinition inSection 62-302.200(4), F.A.C.and also see below,"Substances inconcentrationswhich...")(21) Color, etc.(see also MinimumCriteria, Odor, Phenols, etc.)Color, odor, andtaste producingsubstances andother deleterioussubstances, including other chemicalcompounds attributable to domesticwastes, industrialwastes, and otherwastesOnlysuchamountsas will not renderthe waters unsuitable for agriculturalirrigation, livestockwatering, industrialcooling, industrialprocess watersupply purposes, orfish survival.(22) Conductance,SpecificMicromhos/cmShall not beincreased morethan 50% abovebackground or to1275, whichever isgreater.Shall not beincreased morethan 50% abovebackground or to1275, whichever isgreater.Shall not beincreased morethan 50% abovebackground or to1275, whichever isgreater.Shall not exceed4,000(23) CopperMicrograms/LSee Notes (1) and(3).Cu≤e(0.8545[lnH]-1.702)≤3.7Cu≤e(0.8545[lnH]-1.702)≤3.7<500<500Parameter Units Class I Class II Class III:FreshClass III:MarineClass IV Class VNotes:(1) "ln H" means the natural logarithm oftotal hardness expressed as milligrams/L of CaCO3. For metals criteria involving equations withhardness, the hardness shall be set at 25 mg/L if actual hardnessis < 25 mg/L and set at 400 mg/L if actual hardness is > 400mg/L; (2) This criterion isprotective of human health not of aquatic life. (3) For application of dissolved metals criteria see 62-302.500(2)(d), F.A.C.(24) CyanideMicrograms/L<5.2<1.0<5.2<1.0<5.0<5.0(25) Definitions(see Section 62-302.200, F.A.C.)(26) DetergentsMilligrams/L<0.5<0.5<0.5<0.5<0.5<0.5(27) 1,1-Dichloroethylene (1,1-dichloroethene)Micrograms/L<0.057 annualavg.;<7.0 max<3.2 annual avg.<3.2 annual avg.<3.2 annual avg.(28)Dichloromethane(methylenechloride)Micrograms/L<4.65 annual avg.<1,580 annual avg.<1,580 annual avg.<1,580 annual avg.(29) 2,4-DinitrotolueneMicrograms/L<0.11 annual avg.<9.1 annual avg.<9.1 annual avg.<9.1 annual avg.(30) DissolvedOxygenMilligrams/LShall not be lessthan 5.0. Normaldaily and seasonalfluctuations abovethis level shall bemaintained.Shall not averageless than 5.0 in a24-hour period andshall never be lessthan 4.0. Normaldaily and seasonalfluctuations abovethese levels shall bemaintained.Shall not be lessthan 5.0. Normaldaily and seasonalfluctuations abovethese levels shall bemaintained.Shall not averageless than 5.0 in a24-hour period andshall never be lessthan 4.0. Normaldaily and seasonalfluctuations abovethese levels shall bemaintained.Shall not averageless than 4.0 in a24-hour period andshall never be lessthan 3.0.Shall not be lessthan 0.3, fiftypercent of the timeon an annual basisfor flows greaterthan or equal to250 cubic feet persecond and shallnever be less than0.1. Normal dailyand seasonal fluctuations abovethese levels shallbe maintained.Parameter Units Class I Class II Class III:FreshClass III:MarineClass IV Class VNotes:(1) "ln H" means the natural logarithm oftotal hardness expressed as milligrams/L of CaCO3. For metals criteria involving equations withhardness, the hardness shall be set at 25 mg/L if actual hardnessis < 25 mg/L and set at 400 mg/L if actual hardness is > 400mg/L; (2) This criterion isprotective of human health not of aquatic life. (3) For application of dissolved metals criteria see 62-302.500(2)(d), F.A.C.(31) DissolvedSolidsMilligrams/L<500 as a monthlyavg.;<1,000 max(32) FluoridesMilligrams/L<1.5<1.5<10.0<5.0<10.0<10.0(33) "Free Froms"(see MinimumCriteria in Section62-302.500,F.A.C.)(34) "GeneralCriteria" (seeSection 62-302.500, F.A.C.and individualcriteria)(35) (a) Halomethanes (Total trihalomethanes) (total ofbromoform,chlorodibromomethane,dichlorobromomethane, and chloroform). Individualhalomethanes shallnot exceed (b)1. to(b)5. below.Micrograms/L< 80(35) (b) 1.Halomethanes(individual):BromoformMicrograms/L<4.3 annual avg.<360 annual avg.<360 annual avg.<360 annual avg.Parameter Units Class I Class II Class III:FreshClass III:MarineClass IV Class VNotes:(1) "ln H" means the natural logarithm oftotal hardness expressed as milligrams/L of CaCO3. For metals criteria involving equations withhardness, the hardness shall be set at 25 mg/L if actual hardnessis < 25 mg/L and set at 400 mg/L if actual hardness is > 400mg/L; (2) This criterion isprotective of human health not of aquatic life. (3) For application of dissolved metals criteria see 62-302.500(2)(d), F.A.C.(35) (b) 2.Halomethanes(individual):ChlorodibromomethaneMicrograms/L<0.41 annual avg.<34 annual avg.<34 annual avg.<34 annual avg.(35) (b) 3.Halomethanes(individual):ChloroformMicrograms/L<5.67 annual avg.<470.8 annualavg.<470.8 annualavg.<470.8 annualavg.(35) (b) 4.Halomethanes(individual):Chloromethane(methyl chloride)Micrograms/L<5.67 annual avg.<470.8 annual avg.<470.8 annual avg.<470.8 annual avg.(35) (b) 5.Halomethanes(individual):DichlorobromomethaneMicrograms/L<0.27 annual avg.<22 annual avg.<22 annual avg.<22 annual avg.(36)HexachlorobutadieneMicrograms/L<0.45 annual avg.<49.7 annual avg.<49.7 annual avg.<49.7 annual avg.(37) Imbalance (seeNutrients)(38) IronMilligrams/L< 1.0<0.3<1.0<0.3<1.0(39) LeadMicrograms/LSee Notes (1) and(3).Pb<e(1.273[lnH]-4.705);≤8.5Pb<e(1.273 [lnH] -4.705);≤8.5<50<50Parameter Units Class I Class II Class III:FreshClass III:MarineClass IV Class VNotes:(1) "ln H" means the natural logarithm oftotal hardness expressed as milligrams/L of CaCO3. For metals criteria involving equations withhardness, the hardness shall be set at 25 mg/L if actual hardnessis < 25 mg/L and set at 400 mg/L if actual hardness is > 400mg/L; (2) This criterion isprotective of human health not of aquatic life. (3) For application of dissolved metals criteria see 62-302.500(2)(d), F.A.C.(40) ManganeseMilligrams/L<0.1(41) MercuryMicrograms/L0.0120.0250.0120.025<0.2<0.2(42) MinimumCriteria (seeSection 62-302.500, F.A.C.)(43) Mixing Zones(See Section 62-4.244 , F.A.C.)(44) NickelMicrograms/LSee Notes (1) and(3).Ni≤e(0.846[lnH]+0.0584)<8.3Ni≤e(0.846[lnH]+0.0584)<8.3<100(45) NitrateMilligrams/L as N<10 or that concentration thatexceeds thenutrient criteria(46) NuisanceSpeciesSubstances in concentrations which result in thedominance of nuisance species: none shall be present.(47) (a) NutrientsThe discharge of nutrients shall continue tobe limited as needed to prevent violations of other standardscontainedin this chapter. Man-induced nutrient enrichment (total nitrogen or total phosphorus) shall be considereddegradation in relation to the provisions ofSections 62-302.300, 62-302.700, and 62-4.242, F.A.C.(47) (b) NutrientsIn no case shall nutrient concentrations of a body of water be altered so as tocause an imbalance in natural populations of aquatic flora or fauna.Parameter Units Class I Class II Class III:FreshClass III:MarineClass IV Class VNotes:(1) "ln H" means the natural logarithm oftotal hardness expressed as milligrams/L of CaCO3. For metals criteria involving equations withhardness, the hardness shall be set at 25 mg/L if actual hardnessis < 25 mg/L and set at 400 mg/L if actual hardness is > 400mg/L; (2) This criterion isprotective of human health not of aquatic life. (3) For application of dissolved metals criteria see 62-302.500(2)(d), F.A.C.(48) Odor (also seeColor, MinimumCriteria, PhenolicCompounds, etc.)Threshold odornumberShall not exceed 24at 60 degrees C as adaily average.Odorproducingsubstances: only insuch amounts aswill notunreasonablyinterfere with useof the water for thedesignated purposeof this classification.(49) (a) Oils andGreasesMilligrams/LDissolved oremulsified oils andgreases shall notexceed 5.0Dissolved oremulsified oils andgreases shall notexceed 5.0Dissolved oremulsified oils andgreases shall notexceed 5.0Dissolved oremulsified oils andgreases shall notexceed 5.0Dissolved oremulsified oils andgreases shall notexceed 5.0Dissolved oremulsified oils andgreases shall notexceed 10.0(49) (b) Oils andGreasesNo undissolved oil, or visible oil defined as iridescence,shall be present so as to cause taste or odor, or otherwise interfere with the beneficial use of waters.(50) Pesticides andHerbicides(50) (a) 2,4,5-TPMicrograms/L<10(50) (b) 2-4-DMicrograms/L<100(50) (c) AldrinMicrograms/L<.00013 annualavg.;3.0 max<.00014 annualavg.;1.3 max<.00014 annualavg.;3.0 max<.00014 annualavg.;1.3 max(50) (d) Betahexachlorocyclohexane (b-BHC)Micrograms/L<0.014 annualavg.<0.046 annual avg.<0.046 annual avg.<0.046 annual avg.Parameter Units Class I Class II Class III:FreshClass III:MarineClass IV Class VNotes:(1) "ln H" means the natural logarithm oftotal hardness expressed as milligrams/L of CaCO3. For metals criteria involving equations withhardness, the hardness shall be set at 25 mg/L if actual hardnessis < 25 mg/L and set at 400 mg/L if actual hardness is > 400mg/L; (2) This criterion isprotective of human health not of aquatic life. (3) For application of dissolved metals criteria see 62-302.500(2)(d), F.A.C.(50) (e) ChlordaneMicrograms/L<0.00058 annualavg.;0.0043 max<0.00059 annualavg.;0.004 max<0.00059 annualavg.;0.0043 max<0.00059 annualavg.;0.004 max(50) (f) DDTMicrograms/L<0.00059 annualavg.;0.001 max<0.00059 annualavg.;0.001 max<0.00059 annualavg.;0.001 max<0.00059 annualavg.;0.001 max(50) (g) DemetonMicrograms/L<0.1<0.1<0.1<0.1(50) (h) DieldrinMicrograms/L<0.00014 annualavg.;0.0019 max<0.00014 annualavg.;0.0019 max<0.00014 annualavg.;0.0019 max<0.00014 annualavg.;0.0019 max(50) (i) Endosulfan,Micrograms/L<0.056<0.0087<0.056<0.0087(50) (j) EndrinMicrograms/L<0.0023<0.0023<0.0023<0.0023(50) (k) GuthionMicrograms/L<0.01<0.01<0.01<0.01(50) (l) HeptachlorMicrograms/L<0.00021 annualavg.; 0.0038 max<0.00021 annualavg.; 0.0036 max<0.00021 annualavg.; 0.0038 max<0.00021 annualavg.; 0.0036 max(50) (m) Lindane(g-benzenehexachloride)Micrograms/L<0.019 annualavg.;0.08 max<0.063 annualavg.;0.16 max<0.063 annualavg.;0.08 max<0.063. annualavg.;0.16 max(50) (n) MalathionMicrograms/L<0.1<0.1<0.1<0.1(50) (o)MethoxychlorMicrograms/L<0.03<0.03<0.03<0.03(50) (p) MirexMicrograms/L<0.001<0.001<0.001<0.001(50) (q) ParathionMicrograms/L<0.04<0.04<0.04<0.04(50) (r) ToxapheneMicrograms/L<0.0002<0.0002<0.0002<0.0002Parameter Units Class I Class II Class III:FreshClass III:MarineClass IV Class VNotes:(1) "ln H" means the natural logarithm oftotal hardness expressed as milligrams/L of CaCO3. For metals criteria involving equations withhardness, the hardness shall be set at 25 mg/L if actual hardnessis < 25 mg/L and set at 400 mg/L if actual hardness is > 400mg/L; (2) This criterion isprotective of human health not of aquatic life. (3) For application of dissolved metals criteria see 62-302.500(2)(d), F.A.C.(51) (a) pH (Class Iand Class IVWaters)Standard UnitsShall not vary more thanone unit above or below natural background provided that the pH is not lowered to lessthan 6units or raised above 8.5 units. If natural background is less than 6 units, the pH shall not vary below natural background orvary more than one unit above naturalbackground. If natural background is higherthan 8.5 units, the pH shall not varyabove natural background or vary more than one unit below background.(51) (b) pH (ClassII Waters)Standard UnitsShall not vary more thanone unit above or below natural background ofcoastal waters as defined in Section 62-302.520(3)(b), F.A.C., or more than two-tenths unit aboveor below natural background ofopen waters as defined inSection 62-302.520(3)(f), F.A.C., provided thatthe pH is not lowered to less than 6.5 units or raised above 8.5 units. Ifnatural background is less than 6.5 units, the pH shall not varybelow natural background or vary more than one unit abovenatural background for coastal waters or more than two-tenths unit above natural background for open waters. If naturalbackground is higher than 8.5 units, the pH shall not varyabove natural background or varymore than one unit belownatural background of coastal waters or more than two-tenths unit below natural background of open waters.(51) (c) pH (ClassIII Waters)Standard UnitsShall not vary more thanone unit above or below natural background ofpredominantly fresh waters and coastal waters asdefined in Section 62-302.520(3)(b), F.A.C. or more thantwo-tenths unit above or below natural background of openwaters as defined in Section 62-302.520(3)(f), F.A.C., provided that the pHis not lowered to less than 6 units inpredominantly fresh waters, or less than 6.5 units in predominantly marine waters, or raised above 8.5 units. If naturalbackground is less than 6 units, in predominantly fresh waters or 6.5 units in predominantly marine waters, the pH shall notvary below natural background or vary more than one unit above natural background of predominantly fresh waters andcoastal waters, or more than two-tenths unit above natural background of open waters. If natural background is higher than8.5 units, the pH shall not vary above natural background or vary more than one unit below natural background ofpredominantly fresh waters and coastal waters, or more than two-tenths unit below natural background of open waters.(51) (d) pH (ClassV Waters)Standard UnitsNot lower than 5.0 nor greater than 9.5 except certain swamp waters which may be as low as 4.5.(52) (a) PhenolicCompounds: TotalPhenolic compounds other than those producedby the natural decay of plant material, listed or unlisted, shall not taint theflesh of edible fish or shellfish or produce objectionable taste or odor in a drinking water supply.Parameter Units Class I Class II Class III:FreshClass III:MarineClass IV Class VNotes:(1) "ln H" means the natural logarithm oftotal hardness expressed as milligrams/L of CaCO3. For metals criteria involving equations withhardness, the hardness shall be set at 25 mg/L if actual hardnessis < 25 mg/L and set at 400 mg/L if actual hardness is > 400mg/L; (2) This criterion isprotective of human health not of aquatic life. (3) For application of dissolved metals criteria see 62-302.500(2)(d), F.A.C.(52) (b) TotalChlorinatedPhenols andChlorinated CresolsMicrograms/L1. The total of all chlorinated phenols, and chlorinated cresols, except as set forth in (c) 1. to (c) 4.below, shall not exceed 1.0 unless higher values areshown not to be chronically toxic. Such highervalues shall be approved in writing by the Secretary.2. The compounds listed in (c) 1. to (c) 6. below shall not exceed thelimits specified for eachcompound.1. The total of thefollowingPhenoliccompounds shallnot exceed 50:a) Chlorinatedphenols;b) Chlorinatedcresols; andc) 2,4-dinitrophenol.(52) (c) 1. PhenolicCompound: 2-chlorophenolMicrograms/L<120< 400See Note (2).< 400See Note (2).< 400See Note (2).< 400See Note (2).(52)(c) 2. PhenolicCompound: 2,4-dichlorophenolMicrograms/L< 93See Note (2).< 790See Note (2).< 790See Note (2).< 790See Note (2).< 790See Note (2).(52) (c) 3.Phenolic Compound: PentachlorophenolMicrograms/L<30 max;<0.28 annual avg;<e(1.005[pH]-5.29)<7.9<30 max;<8.2 annual avg;<e(1.005[pH]-5.29)<7.9<30(52)(c) 4. PhenolicCompound: 2,4,6-trichlorophenolMicrograms/L<2.1 annual avg.<6.5 annual avg.<6.5 annual avg.<6.5 annual avg.<6.5 annual avg.(52) (c) 5. PhenolicCompound:2,4-dinitrophenolMilligrams/L<0.0697See Note (2).<14.26See Note (2).<14.26See Note (2).<14.26See Note (2).<14.26See Note (2).Parameter Units Class I Class II Class III:FreshClass III:MarineClass IV Class VNotes:(1) "ln H" means the natural logarithm oftotal hardness expressed as milligrams/L of CaCO3. For metals criteria involving equations withhardness, the hardness shall be set at 25 mg/L if actual hardnessis < 25 mg/L and set at 400 mg/L if actual hardness is > 400mg/L; (2) This criterion isprotective of human health not of aquatic life. (3) For application of dissolved metals criteria see 62-302.500(2)(d), F.A.C.(52) (c) 6.Phenolic Compound: PhenolMilligrams/L<0.3<0.3<0.3<0.3<0.3<0.3(53) Phosphorus(Elemental)Micrograms/L<0.1<0.1(54) PhthalateEstersMicrograms/L<3.0<3.0(55)PolychlorinatedBiphenyls (PCBs)Micrograms/L<0.000044 annualavg.; 0.014 max<0.000045 annualavg.; 0.03 max<0.000045 annualavg.; 0.014 max<0.000045 annualavg.; 0.03 max(56) (a) PolycyclicAromaticHydrocarbons(PAHs). Total of:Acenaphthylene;Benzo(a)anthracene;Benzo(a)pyrene;Benzo(b)fluoranthene; Benzo-(ghi)perylene;Benzo(k)fluoranthene; Chrysene;Dibenzo-(a,h)anthracene;Indeno(1,2,3-cd)pyrene; andPhenanthreneMicrograms/L<0.0028 annualavg.<0.031 annual avg.<0.031annual avg.<0.031 annual avg.Parameter Units Class I Class II Class III:FreshClass III:MarineClass IV Class VNotes:(1) "ln H" means the natural logarithm oftotal hardness expressed as milligrams/L of CaCO3. For metals criteria involving equations withhardness, the hardness shall be set at 25 mg/L if actual hardnessis < 25 mg/L and set at 400 mg/L if actual hardness is > 400mg/L; (2) This criterion isprotective of human health not of aquatic life. (3) For application of dissolved metals criteria see 62-302.500(2)(d), F.A.C.(56) (b) 1(Individual PAHs):AcenaphtheneMilligrams/L< 1.2See Note (2).< 2.7See Note (2).< 2.7See Note (2).< 2.7See Note (2).(56)(b) 2.(Individual PAHs):AnthraceneMilligrams/L< 9.6See Note (2).< 110See Note (2).< 110See Note (2).< 110See Note (2).(56) (b) 3.(Individual PAHs):FluorantheneMilligrams/L< 0.3See Note (2).< 0.370See Note (2).< 0.370See Note (2).< 0.370See Note (2).(56) (b) 4.(Individual PAHs):FluoreneMilligrams/L< 1.3See Note (2).< 14See Note (2).< 14See Note (2).< 14See Note (2).(56) (b) 5.(Individual PAHs):PyreneMilligrams/L< 0.96See Note (2).< 11See Note (2).< 11See Note (2).< 11See Note (2).(57)(a) Radioactivesubstances(Combined radium226 and 228)Picocuries/L<5<5<5<5<5<5(57) (b)Radioactivesubstances (Grossalpha particleactivity includingradium 226, butexcluding radonand uranium)Picocuries/L<15<15<15<15<15<15(58) SeleniumMicrograms/L<5.0<71<5.0<71Parameter Units Class I Class II Class III:FreshClass III:MarineClass IV Class VNotes:(1) "ln H" means the natural logarithm oftotal hardness expressed as milligrams/L of CaCO3. For metals criteria involving equations withhardness, the hardness shall be set at 25 mg/L if actual hardnessis < 25 mg/L and set at 400 mg/L if actual hardness is > 400mg/L; (2) This criterion isprotective of human health not of aquatic life. (3) For application of dissolved metals criteria see 62-302.500(2)(d), F.A.C.(59) SilverMicrograms/LSee Note (3).<0.07See Minimumcriteria inSection62-302.500(1)(c)<0.07See Minimumcriteria inSection62-302.500(1)(c)(60) SpecificConductance (seeConductance,Specific, above)(61) Substances inconcentrationswhich injure, arechronically toxic to,or produce adversephysiological orbehavioral responsein humans, plants,or animalsNone shall be present.(62) 1,1,2,2-TetrachloroethaneMicrograms/L<0.17 annual avg.<10.8 annual avg.<10.8 annual avg.<10.8 annual avg.(63)Tetrachloroethylene (1,1,2,2-tetrachloroethene)Micrograms/L<0.8 annual avg.,<3.0 max<8.85 annual avg.<8.85 annual avg.<8.85 annual avg.(64) ThalliumMicrograms/L< 1.7< 6.3< 6.3< 6.3(65) ThermalCriteria (SeeSection 62-302.520)Parameter Units Class I Class II Class III:FreshClass III:MarineClass IV Class VNotes:(1) "ln H" means the natural logarithm oftotal hardness expressed as milligrams/L of CaCO3. For metals criteria involving equations withhardness, the hardness shall be set at 25 mg/L if actual hardnessis < 25 mg/L and set at 400 mg/L if actual hardness is > 400mg/L; (2) This criterion isprotective of human health not of aquatic life. (3) For application of dissolved metals criteria see 62-302.500(2)(d), F.A.C.(66) TotalDissolved GasesPercent of thesaturation value forgases at the existingatmospheric andhydrostaticpressures<110% ofsaturation value<110% ofsaturation value<110% ofsaturation value<110% ofsaturation value(67)(TransparencyDepth of the compensation point forphotosyntheticactivityShall not bereduced bymorethan 10% as compared to the naturalbackground value.Shall not bereduced bymorethan 10% as compared to the naturalbackground value.Shall not bereduced bymorethan 10% as compared to the naturalbackground value.Shall not bereduced bymorethan 10% as compared to the naturalbackground value.(68)Trichloroethylene(trichloroethene)Micrograms/L<2.7 annual avg.,<3.0 max<80.7 annual avg.<80.7 annual avg.<80.7 annual avg.(69) TurbidityNephelometricTurbidity Units(NTU)<29 above naturalbackgroundconditions<29 above naturalbackgroundconditions<29 above naturalbackgroundconditions<29 above naturalbackgroundconditions<29 above naturalbackgroundconditions<29 above naturalbackgroundconditions(70) ZincMicrograms/LSee Notes (1) and(3).Zn≤e(0.8473[lnH]+0.884)<86Zn≤e(0.8473[lnH]+0.884)<86<1,000<1,000

# Specific Authority 403.061, 403.062, 403. 087, 403.504, 403.704, 403.804 FS. Law Implemented 403. 021, 403.061, 403.087, 403.08 8,

403.141, 403.161, 403.182, 403.502, 403. 702, 403.708 FS. History – New 1-28-90, Form erly 17-3.065, Amended 2-13-92, 6-17-92,

Formerly 17-302.540, 17-302.550, 17-302.560, 17-302.570, 17-302.580, Amended 4-25-93, Fo rmerly 17-302.530, Amended 1-23-95, 1-

15-96, 5-15-02, 7-19-04, - -06

.