EPA Method 625 Base/Neutrals Mix #1 Back Catalog number: 19114 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-123468-S 1,2,3,4,6,8-Hexachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 2792.16-K-IO 1-n-Hexylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2876-53-1 Price on request M4M61 2,3,4,5-Tetrachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene Price on request