Method 525.2 Solution A

4-Isobutylbenzoic acid, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 38861-88-0

1,2,3,4,6,7,8-Heptachlorodibenzo-p-dioxin ,50 µg/mL,n-nonane,1mL,

2,2',4,4',5,6'-Hexabromobiphenyl, 1.2ml x 50ug/ml, nonane