| Code P01 | Parameter | Unit |
| CORGZZZX | Concentration of carbon (organic) {`DOC` CAS 7440-44-0} per unit volume of the water body | Micromoles per litre |
| NTOTZZXX | Concentration of nitrogen (total) per unit volume of the water body [dissolved plus reactive particulate phase] | Micromoles per litre |
| NTRAYYDZ | Concentration of nitrate {NO3- CAS 14797-55-8} per unit volume of the water body [dissolved plus reactive particulate phase] | Micromoles per litre |
| NTRIYYDZ | Concentration of nitrite {NO2- CAS 14797-65-0} 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 |
| PRESPR01 | Pressure (spatial co-ordinate) exerted by the water body by profiling pressure sensor and corrected to read zero at sea level | Decibars |
| 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 |
| TPHSZZXX | Concentration of total phosphorus {P CAS 7723-14-0} per unit volume of the water body [dissolved plus reactive particulate phase] | Micromoles per litre |
