2,4,4'-Trichlorobiphenyl ether,50 µg/mL,n-nonane,1mL,

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

Cimetidine carboxamide dihydrochloride (free base), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 110592-19-3

Alkalinity as Calcium Carbonate