EPA Method 645 Analytes

1,2,4-Butanetriol, 1000µg/mL, Solvent-dry pyridine, Unit 10mL, # of units-1, Cas.no. 3068-00-6

2,2',3,3',4,5,5',6,6'-Nonachlorobiphenyl (208)

3-Hydroxycarbofuran