EPA Method 300.0 Anions QC Standard Back Catalog number: 52519 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682236 2,2'-Dihydroxy-4-methoxybenzophenone, 250mg Price on request 680598 Lignoceric acid, 100 µg/ml, Acetonitrile, 1ml Price on request 3447.5-100-AN Methomyl Price on request