ENVIRONMENTAL TESTING CATALOG EPA 903.0

DCLS Method

Alpha radium isotopes in drinking water

Reference Method

EPA 903.0

Test Description

A 1 liter portion of sample is processed to separate radium from other elements. The sample is held for 14-21 days to allow radium isotopes with short half-lives to decay and the remaining radium-226 activity is determined via gas proportional counter.

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 5 days of collection.

Testing Group

Radiology

Analyte

Radium - 226