ISO 9555-2:1992

Measurement of liquid flow in open channels — Tracer dilution methods for the measurement of steady flow — Part 2: Radioactive tracers

Describes the tracers used (bromine 82, tritium, iodine 131, indium 113 m, cesium 131, ytterbium 168), the tracer measurement (principle, field measurement and laboratory measurements), environmental factors affecting tracers, techniques for tracer injection, sampling techniques, estimation of uncertainties.