EPA Method 608.1 Analytes Back Catalog number: 40005 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72764 Heptachlor epoxide Price on request XA10365100AC Azinphos-methyl D6, 100μg/ml in Acetone,1ml Price on request T542500 Topotecan Hydrochloride, 5mg Price on request