EPA Method 515.2Methyl Derivatives Back Catalog number: 30074 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3837.3 Glycerol: See product 3644.3, , Solvent-, Unit , # of units-, Cas.no. Price on request O846850 Oximino Oxamyl, 25mg Price on request 676710 D5-threo-Chloramphenicol, 100 µg/ml, Acetone, 1m Price on request