Pesticides PT GC-MS/MS Back Catalog number: 38248 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 19394 EPA Method 8021B Internal Standard Price on request XA11320100AL Chloridazon D5 (phenyl D5), 100 ng/µl, 1.1ml Price on request 54254 Silica (SiO2) Price on request