| Code P01 | Parameter | Unit |
| ABS650AC | Light absorbance (650nm wavelength) by the water body by transmissometer and calibration to read zero in clear water | per metre |
| DOXYZZ01 | Concentration of oxygen {O2 CAS 7782-44-7} per unit volume of the water body [dissolved plus reactive particulate phase] by in-situ sensor | Milligrams per litre |
| FLUOZZZZ | Fluorescence of the water body | Micrograms per litre |
| PHXXZZXX | pH per unit volume of the water body | pH units |
| POPTDR01 | Transmittance (red light wavelength) per 25cm of the water body by 25cm path length red light transmissometer | Percent |
| PRESPR01 | Pressure (spatial co-ordinate) exerted by the water body by profiling pressure sensor and corrected to read zero at sea level | Decibars |
| PSALZZXX | Practical salinity of the water body by computation using UNESCO 1983 algorithm | Parts per thousand |
| SIGTEQ01 | Sigma-theta of the water body by computation from salinity and potential temperature using UNESCO algorithm | Kilograms per cubic metre |
| TEMPPR01 | Temperature of the water body | Degrees Celsius |
