EPA Method 525 Internals & Surrogates Back Catalog number: 91161 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70582 Chlorbromuron, 1000μg/ml in Acetonitrile, 1ml Price on request 2237.17-050-AN Aflatoxin M1, 0.5 µg/ml, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 6795-23-9 Price on request 673874 Azoxystrobin Metabolite R401553, 10.0 µg/ml, Acet Price on request