EPA Method 525Mixes Back Catalog number: 30034 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2017.6-20K-ME Fluorobenzene,20000 µg/mL,MeOH,1mL, Price on request 11669.12-100-IO 3,4'-Dichlorobiphenyl ,100 µg/mL,isooctane,1mL Price on request 1601.12-100-IO 2-Fluorobiphenyl Price on request