EPA Method 504.1 - 524.2 Analytes Back Catalog number: 96656 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1087.18-K-TX5 Benz[a]anthracene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1718-53-2 Price on request 9424.8-10MG Valproic acid, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 99-66-1 Price on request EPA-1668LCS Labelled Compound Stock Solution, 1.2ml, nonane Price on request