Code

Description

Unit

ERA-695

Certified Reference Material - Nitrite, potable water (PotableWatR TM)

each

ERA-594

Proficiency Testing - Nitrite, potable water

each

ERA-695QR

QuiKResponse - Nitrite, potable water (PotableWatR TM)

each

ERA-770

Certified Reference Material - Nitrite, waste water (WasteWatR TM)

each

ERA-888

Proficiency Testing - Nitrite, waste water

each

ERA-770QR

QuiKResponse - Nitrite, waste water (WasteWatR TM)

each