EPA Method 549.1 Analytes Back Catalog number: 32079 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673921 D3-Chloridazon-methyl-desphenyl, 10.0 µg/ml, Acet Price on request 0610.29-100-IO ß alpha alpha (20R,24R)-24-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4705-29-7 Price on request 72270 Thymine Price on request