Applications
Quantitative analysis of hormones and other organic substances by radioimmunoassay methods. Tracers in studies of physical, biological and medical processes.

Observations
Beta particle scintillation counters: LS 6500 (Beckman) LS 1701 (Beckman) and Wallac 1410 (Pharmacia). Gamma radiation counters: Cobra II (Packard). The fees are the same for both beta and gamma particle counters.