EPA Method 525 Internals & Surrogates Back Catalog number: 91161 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71554 Sucrose Price on request 680928 Thionazin, 10.0 µg/ml, Acetonitrile, 10ml Price on request 8920.7-100-DC 2,4-Dichlorobenzonitrile, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 6574-98-7 Price on request