EPA Method 6020/6020A - Mix B Back Catalog number: 52331 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L14102000CY Heptachlor-endo-epoxide (trans-, isomer A), 10µg/ml in CY, 10ml Price on request 79328 Hexachlorocyclopentadiene Price on request 674477 Kaempferitrin, 10mg Price on request