EPA Method 622 / 8141 - Analytes Back Catalog number: 90378 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50782 1.% Carbon (Wt. / Vol.) Standard Price on request 679379 Demeton-S-methyl-sulfone, 10 µg/ml, Cyclohexane, Price on request 672967 Ofloxacin, 100mg Price on request