EPA Method 525 - Perchlorinates

N-Nitrosodiethanolamine-d8, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 1173019-53-8

(±)-Fipronil,100 µg/mL,acetonitrile,1mL,

2,4,7-Tribromodibenzofuran, 1.2ml x 50ug/ml, toluene