EPA Method 632 Spike Standard Back Catalog number: 93970 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 4PM120 2,3',4,5,5'-Pentachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request 49021 2-Bromo-1-chloropropane Price on request 90629 2-Methylnaphthalene Price on request