The Enterolert test uses a proprietary Defined Substrate Technology (DST) nutrient indicator to detect enterococci. This nutrient indicator fluoresces when metabolized by enterococci. DST improves accuracy and avoids the need for hazardous sodium azide suppressants used in traditional media.

Approvals:
EPA
Standard Methods for Examination of Water and Wastewater.
ASTM Method (#D6503-99)

For more information consulthere