EPA Method 508/608 Pesticide Standard Back Catalog number: 41001 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C15123010 4-Methyl-2-pentanone-2,4-dinitrophenylhydrazone, 100mg Price on request 54286 Total Suspended Solids (TSS) Price on request 3346.6-100-AN Clopyralid, 100µg/ml in Acetonitrile, 1ml Price on request