EPA Method 1666 Standard #1 Back Catalog number: 82449 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended N-13178-50MG Retene, 50mg Price on request 681512 2,4,5-T-iso-octyl ester, 100mg Price on request 682118 Fluralaner, 10.0 µg/ml, Acetonitrile, 10ml Price on request