Pyrethrins, 100 µg/ml, Ethyl acetate, 1ml

(2RS)-2-(4-n-Propylphenyl)propanoic acid, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 3585-47-5

13C6-Sulfanilamide, 10mg

Method 532 Surrogate Standard