EPA Method 8141/1657 Surrogate Standard Back Catalog number: 92357 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4425-100-CY n-Alkanes C8-C26, all even and uneven, 19 analytes, 1x10mL screw-cap Price on request 70921 3,3’-Dimethoxybenzidine Price on request 9812.2-K-ME 2-Nitroaminoethanol, 1000µg/mL, Solvent-methanol, Unit 1.1mL, # of units-1, Cas.no. 74386-82-6 Price on request