EPA Method 8250 - Acid Matrix Spiking Solution

Di(propylene glycol) monomethyl ether, mixture of isomers,1000 µg/mL,MeOH,1mL,

3,5-Dimethylthiophenol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 38360-81-5

beta-Cypermethrin