EPA Method 617/8080/8250/8270 - Analytes Back Catalog number: 10233 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2941.9-100-NN alpha-Endosulfan-d4 (1,1,5,5-d4),100 µg/mL,n-nonane,1mL, Price on request 3296.23-K-IO Methyl 7,10,13,16-docosatetraenoate (all-cis), 1000µg/mL in Isooctane, 1ml Price on request 71472 1,4-Thioxane Price on request