| Code P01 | Parameter | Unit |
| AMONZZXX | Concentration of ammonium {NH4+ CAS 14798-03-9} per unit volume of the water body [unknown phase] | Millimoles per litre |
| CNDCZZ01 | Electrical conductivity of the water body | Siemens 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 | Millilitres per litre |
| FLUOZZZZ | Fluorescence of the water body | Milligrams per litre |
| NTRAZZXX | Concentration of nitrate {NO3- CAS 14797-55-8} per unit volume of the water body [unknown phase] | Millimoles per litre |
| NTRIZZXX | Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [unknown phase] | Millimoles per litre |
| PHOSZZXX | Concentration of phosphate {PO43- CAS 14265-44-2} per unit volume of the water body [unknown phase] | Millimoles per litre |
| PHXXPR01 | pH per unit volume of the water body by pH electrode | 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 |
| SLCAZZXX | Concentration of silicate {SiO44- CAS 17181-37-2} per unit volume of the water body [unknown phase] | Millimoles per litre |
| TSEDZZZZ | Concentration of suspended particulate material {SPM} per unit volume of the water body | Milligrams per litre |
