| Code P01 | Parameter | Unit |
| ALKYZZXX | Total alkalinity per unit volume of the water body | MilliEquivalents per litre |
| DOXYZZXX | Concentration of oxygen {O2 CAS 7782-44-7} per unit volume of the water body [dissolved plus reactive particulate phase] | Millilitres per litre |
| NTRZYYDZ | Concentration of nitrate+nitrite {NO3+NO2} per unit volume of the water body [dissolved plus reactive particulate phase] | Micromoles per litre |
| PHOSYYDZ | Concentration of phosphate {PO43- CAS 14265-44-2} per unit volume of the water body [dissolved plus reactive particulate phase] | Micromoles per litre |
| PHXXZZXX | pH per unit volume of the water body | pH units |
| 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 |
| SLCAAATX | Concentration of silicate {SiO44- CAS 17181-37-2} per unit volume of the water body [dissolved plus reactive particulate phase] by colorimetric autoanalysis | Micromoles per litre |
