EPA Method 502.2/524.2 - Liquids Back Catalog number: 35071 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673511 Chlorpyrifos-methyl, 10.0 µg/ml, Ethyl acetate, Price on request 14258.5-K-ME Ethylisopropylnitrosamine, 1000μg/ml in MeOH, 1ml Price on request 72830 Halosulfuron methyl Price on request