Ammonia as (NH4+)

Bis(4-tert-butylphenyl) phenyl phosphate, 1.2ml x 50ug/ml, toluene

Fermentation Standard, in Water, 1ml

2,2',3,3',4',5,6-Heptachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane