EPA Method 625 Base/Neutrals Mix #4 Back Catalog number: 19117 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682992 2-Ethyl-6-methyl-2-chloroacetanilide, 50mg Price on request 90720 1-Methylnaphthalene Price on request 1087.18-100-TX10 Benz[a]anthracene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 1718-53-2 Price on request