Related by context. Frequent words. (Click for all words.) 68 residual chlorine 67 Turbidity 62 mg l 62 dissolved oxygen 62 dissolved oxygen levels 61 nitrification 61 ammonia nitrogen 61 #ppb [003] 60 feedwater 60 Enterococcus 59 total dissolved solids 59 alkalinity 59 carbon disulfide 59 microcystin 59 faecal contamination 58 sulphate 58 carbon tetrachloride 58 μg L 58 sorption 58 supernatant 58 Hydrogen sulfide 58 turbidity 58 Conductivity 58 salinity 58 aromatic hydrocarbons 58 #ppm [002] 57 arsenic concentrations 57 #.#ppm [001] 57 wastewater effluent 57 Contaminant 57 de ionized 57 sulfate 57 coliforms 57 Sedimentation 56 effluent discharge 56 denitrification 56 Sulfate 56 bile acid 56 enterococcus 56 Methylmercury 55 filtrate 55 pH 55 sewage effluent 55 amphipods 55 sedimentation 55 organochlorines 55 deplete oxygen 55 total coliform 54 Reverse osmosis 54 benzo pyrene 54 nitrate 54 oxidising 54 acidified 54 acrolein 54 dissolved solids 54 THMs 54 sulfur dioxide emission 54 absorbance 54 enterococci 54 oxygenation 54 deionized water 54 dieldrin 54 Particulate Matter 54 ml min 54 Kuan Yin Taiwan 53 DBPs 53 nitric 53 fecal coliform 53 anoxic 53 methane CH4 53 chloride 53 Intakes 53 contaminant 53 nitrobenzene 53 industrial effluents 53 fecal coliform bacteria 53 furan 53 stormwater discharges 53 mg/m3 53 concentrations 53 acute toxicity 53 contaminants 53 Glycol 53 ferric 53 isotope ratios 52 harmful contaminants 52 triclocarban 52 silts 52 oxidised 52 sediment 52 nitrogen deposition 52 effluents 52 oxidise 52 coli 52 hypochlorite 52 embayment 52 alkaline phosphatase 52 aquatic invertebrates 52 exceedance 52 inorganic arsenic 52 airborne particulates