Table 1

Parameter	Instrument	Unit
Turbidity	Hanna portable HI 93703 C microprocessor turbidity meter	Formazine Turbidity Unit (FTU).
Salinity	Portable ATAGO, S/MillE Hand Refractometer	Parts per thousand (ppt) or ‰
Density	Portable ATAGO, S/MillE Hand Refractometer	g/cm³
Temperature	Hanna portable HI 98128 water proof Temperature meter	Celsius (°C)
pH	Hanna portable HI 98128 water proof pH meter	pH units
Nitrate	Hanna portable HI 93728 Nitrate ISM (Low range)	Parts per million (ppm) or mg/L
Nitrite	Hanna portable HI 93708 Nitrite ISM (High range)	Parts per million (ppm) or mg/L
Phosphate	Hanna portable HI 93713 Phosphate ISM (Low range)	Parts per million (ppm) or mg/L
Dissolved oxygen	Hanna portable HI 8043 Dissolved Oxygen Meter	Parts per million (ppm) or mg/L

Table 1: Water quality parameters and measuring instruments with unit.