EPA Method 625 Base/Neutrals Mix #1

Clofibrate,100 µg/mL,MeOH,1mL,

2,2',3,4,5-Pentachloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

2-Ethyl-6-methylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7372-86-3