EPA Method 525 Internals & Surrogates Back Catalog number: 95227 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70507 Dibromoacetonitrile Price on request 1096.10-K-IO 2-Ethylbenzofuran, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3131-63-3 Price on request 71988 3-Iodo-2-propynyl N-butylcarbamate Price on request