Anion Standard - Nitrite, 10µg/ml in Water, 100ml

1,4,5,6,7,7-Hexachlorobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride,50 µg/mL,toluene,1mL,

Propylthiouracil-d5, 2,5mg

2,2',3,4',5,6'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL,