EPA Method 632 Spike Standard Back Catalog number: 93970 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3355.11-100 2,4-DB methyl ester, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 18625-12-2 Price on request 2662.10-2K-ME Chlordane, 2000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 57-74-9 Price on request C13213100 17-beta-Estradiol, certified, 0.25g Price on request