EPA Method 525 - Internal Standard Back Catalog number: 30031 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 20219 CLP Pesticide Mix “B” Price on request SC-280644 cis-9,10-Methyleneoctadecanoic Acid, 25mg Price on request 674974 Bromopropylate, 250mg Price on request