EPA Method 502/524 Fortification Solution Back Catalog number: 33005 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3932.4-1ML 1,4-Dichlorobutane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 110-56-5 Price on request 11415.11-K-ME Levamisole hydrochloride,1000 µg base/mL,MeOH,1mL, Price on request 1272.9-K-CY 1-Ethyl-4-methylbenzene (4-ethyltoluene, p-ethyltoluene), 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 622-96-8 Price on request