EPA Method 525 Pesticide Standard Back Catalog number: 92189 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59322 Cations Mix (K,Na,Mg,Ca) 1000µg/ml in Water, 100ml Price on request 10907.12-100-IO 2,2',3,4,5,5'-Hexachlorobiphenyl-3',4',6'-d3,100 µg/mL,isooctane,1mL Price on request E888000 17ß-Estradiol, 50mg Price on request