EPA Method 552,552.1,552.2 Internal Std Back Catalog number: 30105 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680323 3-Hydroxy-Imidacloprid, 100 µg/ml, Acetonitrile, Price on request 11220.7.1ML 3-Chlorotoluene,neat,neat,1mL, Price on request 674002 3,4-Dichloroaniline, 100 µg/ml, Methanol, 5ml Price on request