Surrogate Standard Back Catalog number: 91625 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 20003 EPA Method 8240A/1666 - Purgeable Internal Std Price on request 70225 2-Nitroaniline Price on request MBP-101 2,2',4,5,5'-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request