EPA Method 531.1 Individual Analytes Back Catalog number: 31241 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S088127 Salicylic Acid-d4, 5mg Price on request 72056 n-Dodecane-d26 Price on request 2106.14-25MG 1,5-Bis-(4-chlorophenyl)-biguanide HCl, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 13590-98-2 Price on request