Table 4.

Uranium and β2-microglobulin analytic methods.

Analysis	Method
Uranium in water (RSA Laboratories, CT)	Ion exchange separation with alpha-spectrometry detection (APHA 1992)
Uranium and radium in water (Connecticut State Department of Public Health Laboratory)	Gas proportional analysis; EPA Method 908-0 (U.S. EPA 1980)
Uranium in urine (quest diagnostics sent out to Medtox Laboratories, St. Paul, MN)	Inductively coupled plasma/mass spectrometry
β2-microglobulin in urine (quest diagnostics, Medtox Laboratories, St. Paul, MN)	Fixed rate time nephelometry
Creatinine in urine (quest diagnostics, Medtox Laboratories, St. Paul, MN)	Spectrophotometry