| Code P01 | Parameter | Unit |
| DOXYWITX | Concentration of oxygen {O2 CAS 7782-44-7} per unit volume of the water body [dissolved plus reactive particulate phase] by Winkler titration | Millilitres per litre |
| FEXXCVDX | Concentration of total iron {Fe CAS 7439-89-6} per unit volume of the water body [dissolved plus reactive particulate phase] by cathodic stripping voltammetry | Micrograms per litre |
| HGRXAAD1 | Concentration of mercury (reactive) {Hg} per unit volume of the water body [dissolved plus reactive particulate <GF/F phase] by filtration and atomic absorption spectroscopy | Micrograms per litre |
| PBXXAADZ | Concentration of lead {Pb CAS 7439-92-1} per unit volume of the water body [dissolved plus reactive particulate <unknown phase] by filtration and atomic absorption spectroscopy | Micrograms 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 | Metres |
| TPHFIWAT | Concentration of total petroleum hydrocarbons {TPH} per unit volume of the water body [dissolved plus reactive particulate <unknown phase] | Micrograms per litre |
