EPA 1620 Standard 1 Back Catalog number: 52139 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11084.7-100MG 2,6-Dimethylpyridine,neat,neat,100mg, Price on request 673822 Milbemectin A3, 10.0 µg/ml, Acetonitrile, 10ml Price on request 52068 Spiking Standard Kit Price on request