EPA Method 515.2 Underivatized Back Catalog number: 30073 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678949 Fipronil-desulfinyl, 10.0 µg/ml, Acetonitrile, 1 Price on request 673666 Phosphamidon, 100 µg/ml, Ethyl acetate, 5ml Price on request 12170.2-2K-ME Acetic acid-13C2,2000 µg/mL,MeOH,1mL, Price on request