EPA Method 630/630.1 Stock Solution #2 Back Catalog number: 40025 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9056.6-K-IP Tetrachlorocatechol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 1198-55-6 Price on request 682635 Dimethyl isophthalate, 1000mg Price on request MPN-75 Octachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane Price on request