Ammonia as (NH4+)

EPA Method 8141 Standard

Ethyl-ß-D-6-glucuronide, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 17685-04-0

Thiophene in Thiophene-free Benzene Units: 5x1mL ampoule, 10mL screw-capped bottle Chiron No. Concentration Light White Mineral Oil µg thiophene/g (20 cSt at 40°C)