Sulfathiazole, 100 µg/ml, Methanol, 1ml

EPA Method 502/524 Surrogate Standard #2

2,2',3,4,4',5,5',6-Octabromodiphenyl ether, 50µg/ml in Toluene, 1,2ml

trans-Permethrin, 1000µg/ml in MeOH, 1ml