ENVIRONMENTAL TESTING CATALOG EPA 904.0

DCLS Method

Radium-228 analysis in drinking water

Reference Method

EPA 904.0

Test Description

A 1 liter portion of the sample is processed to separate radium from other elements. The radium-228 is allowed to decay to actinium-228 which is separated from the radium and determined via gas proportional counting to determine the activity of radium 228 in the original sample.

Sample Collection

Water utility

Storage Guidelines

Samples are stored at room temperature, and pH must be adjusted to less than or equal to 2 within five days of collection.

Testing Group

Radiology

Analyte

Radium - 228