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....30 30.40 Dissolved Oxygen (mg/L) 7.90 6.20 7.90 6.40 7.80 6.30 8.60 7.40 pH 8.60 8.40 8.60 8.30 8.50 8.30 8.20 8.30 Secchi Disc Depth (m) Turbidity (NTU) <1 <1 <1 <1 <1 <1 <1 <1 Suspended Solids (mg/L) <2 <2 <2 <2 <2 <2 <2 <2 5-Day Biochemical Oxygen Demand (mg/L) <2 <2 <2 <2 <2 <2 <2 <2 Ammoniacal...

... Total Nitrogen (mg/L) 0.44 0.51 <0.3 0.37 0.37 <0.3 Orthophosphate Phosphorus (mg/L) <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 Total Phosphorus (mg/L) <0.01 0.03 0.01 0.01 0.01 0.01 Chlorophyll-a (μg/L) 1.50 10.25 1.65 3.90 1.80 2.95 E. coli (cfu/100 mL) 0 0 0 0 1 1 Faecal Coliforms (cfu/100 mL) 3 2 4 3 6 4...

... Dissolved Oxygen (mg/L) 7.19 4.52 7.43 3.18 7.38 5.78 pH 8.21 7.66 8.28 7.80 8.24 8.12 Secchi Disc Depth (m) Turbidity (NTU) 7.50 13.20 0.70 5.40 2.20 5.90 Suspended Solids (mg/L) 3.40 5.00 6.00 8.40 3.20 4.20 5-Day Biochemical Oxygen Demand 0.70 1.00 1.20 0.30 1.10 0.70 Ammoniacal Nitrogen (mg/L) <0.001 <0...

....19 5.31 4.78 4.85 5.04 4.45 pH 8.07 8.09 8.02 8.01 8.01 8.02 Secchi Disc Depth (m) Turbidity (NTU) 4.05 3.75 4.10 6.75 6.15 8.25 Suspended Solids (mg/L) 5.15 5.90 5.60 7.25 5.35 12.50 5-Day Biochemical Oxygen Demand (mg/L) <2 <2 <2 <2 <2 <2 Ammoniacal Nitrogen (mg/L) 0.078 0.076 0.058 0.050 0.053 0...

... Dissolved Oxygen (mg/L) 11.13 5.36 10.68 3.88 11.36 2.76 pH 8.47 8.16 8.43 8.08 8.45 8.09 Secchi Disc Depth (m) Turbidity (NTU) 5.20 15.70 5.10 7.50 4.20 10.60 Suspended Solids (mg/L) 9.60 21.20 11.20 14.40 8.00 16.00 5-Day Biochemical Oxygen Demand (mg/L) 3.00 1.30 2.70 1.20 2.90 1.60 Ammoniacal Nitrogen...

... Oxygen (mg/L) 6.50 5.39 6.65 6.31 6.82 5.17 pH 8.27 8.18 8.27 8.22 8.27 8.17 Secchi Depth (m) Turbidity (NTU) 0.95 9.37 2.40 3.52 1.73 5.01 Suspended Solids (mg/L) 5.22 15.04 4.80 10.46 7.85 11.18 BOD (mg/L) 1.28 0.98 1.57 1.52 1.62 0.84 Ammoniacal Nitrogen (mg/L) 0.088 0.090 0.093 0.093 0.090 0.095...

... Coliforms (CFU/100 mL) 21 272 4 164 275 640 4 4 4 Coral Beach Moon Island Heung Lo Kok 24.65 24.43 23.35 2.50 2.75 2.75 HHW ...

... Water Quality Data of Sha Chau & Lung Kwu Chau Marine Park from January to March 2012 (First Quarter) No. of Sample Water Depth Surface Bottom Surface Bottom Surface Bottom Air Temperature (°C) Temperature (°C) 17.27 17.05 17.16 16.95 17.06 16.99 Salinity (‰) 28.70 30.68 29.22 30.36 29.93 30.50...

... (mg/L) 5.81 5.00 6.30 5.63 6.76 5.40 pH 8.21 8.20 8.20 8.19 8.19 8.17 Secchi Disc Depth (m) Turbidity (NTU) 0.50 2.10 0.40 27.10 1.00 0.00 Suspended Solids (mg/L) 18.00 20.00 13.60 10.40 5.20 11.20 5-Day Biochemical Oxygen Demand (mg/L) 0.90 0.90 0.80 0.90 1.10 2.00 Ammoniacal Nitrogen (mg/L) <0.01 <0...

... Coliforms (CFU/100 mL) 21 272 4 164 275 640 4 4 4 Coral Beach Moon Island Heung Lo Kok 24.65 24.43 23.35 2.50 2.75 2.75 HHW ...