EPA Method 531.1 Individual Analytes Back Catalog number: 30041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3221.19-K-IO 10-trans-Nonadecenoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147527-21-7 Price on request PN-74S 1,2,3,4,5,6,8-Heptachloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request 53057 Mixed Calibration Standard 5 Price on request