EPA Method 525 - Internal Standard Back Catalog number: 30031 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 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 9873.16-50-IO 4,9-Dimethylphenanthrene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 66291-34-7 Price on request S-4453-4K-AC ISO 9377-2MOD Quality Control Standard of Base Oil EDC 95/11 4000µg/mL in acetone, 1x1mL, 5x1mL, 10x1mL Price on request