EPA Method 515 Herbicide Acids

d4 Pregnane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 205529-77-7

d3 C28/C29Monoaromatic sterane (5 alpha(H)/5ß(H)), 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

2,4,6-Tribromophenol, 250mg