EPA Method 524.3 - Internal Standard

Benzthiazuron, 100 µg/ml, Acetonitrile, 1ml

4-Bromophenol-2,3,5,6-d4,1000 µg/mL,isopropanol,1mL,

5ß(H)-Cholanic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 546-18-9