EPA Method 8060 QC Check Solution Back Catalog number: 82602 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2268.12-100-IO 2,2',3,3',4,4',5,5'-Octachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 35694-08-7 Price on request 70431 Phthalic anhydride Price on request 0356.9-K-IO 5-Methylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 14315-14-1 Price on request