EPA 1620 Standard 2 Back Catalog number: 52140 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8463.3-100-W Glyphosate, 100µg/mL, Solvent-water, Unit 1mL, # of units-1, Cas.no. 1071-83-6 Price on request 70657 Diphacinone Price on request 54256 Ammonium (NH4+) Price on request