| Code P01: | Parameter: | Unit: |
| ATTNDR01 | Attenuance (red light wavelength) per unit length of the water body by 25cm path length red light transmissometer | per metre |
| CPHLPM01 | Concentration of chlorophyll-a {chl-a CAS 479-61-8} per unit volume of the water body [particulate >unknown phase] by in-situ chlorophyll fluorometer and manufacturer`s calibration applied | Micrograms per litre |
| CPHLPS01 | Concentration of chlorophyll-a {chl-a CAS 479-61-8} per unit volume of the water body [particulate >unknown phase] by in-situ chlorophyll fluorometer and calibration against sample data | Micrograms per litre |
| DOXYSCKG | Concentration of oxygen {O2 CAS 7782-44-7} per unit mass of the water body [dissolved plus reactive particulate phase] by Sea-Bird SBE 43 sensor and calibration against sample data | Micromoles per kilogram |
| DOXYUCKG | Concentration of oxygen {O2 CAS 7782-44-7} per unit mass of the water body [dissolved plus reactive particulate phase] by Sea-Bird SBE 43 sensor and no calibration against sample data | Micromoles per kilogram |
| 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 |
| PSALST01 | Practical salinity of the water body by CTD and computation using UNESCO 1983 algorithm | Parts per thousand |
| TEMPS901 | Temperature (ITS-90) of the water body by CTD or STD | Degrees Celsius |