EPA Method 502.2 Internal Standard Back Catalog number: 91703 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C10413000 Azoxystrobin, 100mg Price on request 677942 n-Heptyltin trichloride, 50mg Price on request 678268 Captan, 100 µg/ml, Acetonitrile, 5ml Price on request