CLP Pesticide Lab Control Standard Back Catalog number: 21061 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72742 17-alpha-Ethynylestradiol Price on request 680638 Triflusulfuron Metabolite IN-M7222, 10mg Price on request 2976.12-100-ME Aclonifen Price on request