EPA Method 508 Surrogate Standard Back Catalog number: 19042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53074 Drinking Water Standards Kit Price on request 3215.18-K-IO 6-cis-Octadecenoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 593-39-5 Price on request S-4495-SET-10CY FAME* (as Linoleic acid methyl ester, 3268.19), concentration in cyclohexane 1, 2, 4, 6, and 10g/L; unit: 5x10mL *Fame: EN 14214. Price on request