EPA Method 608Mix #4 Back Catalog number: 41004 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0784.17-500-IO 1,2,9-Trimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 146448-88-6 Price on request 33141 trans-1,3-Dichloro-1-propene Price on request 0343.16-K-IO 4-n-Butylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 37909-95-8 Price on request