EPA Method 8141/1657 Surrogate Standard Back Catalog number: 92357 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54300 Nitrate as (NO3-) Price on request 3407.26-100 tau-Fluvalinate, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 102851-06-9 Price on request 3219.19-K-IO 10-cis,13-cis-Nonadecadienoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 29204-20-4 Price on request