EPA Method 502/524 Surrogate Standard #1 Back Catalog number: 30070 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675464 Clindamycin hydrochloride, 50mg Price on request 79573 1-Methylnaphthalene-d10 Price on request MDD-12479 1,2,4,7,9-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene Price on request