EPA Method 508 - Performance Check Solution Back Catalog number: 19132 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 78009 3,5-Dichlorobenzoic acid Price on request 70112 Dibenzo(a,h)anthracene Price on request 681431 Chlorobenzene-Mix 6, 100 µg/ml, Acetone, 5ml Price on request