EPA Method 525 Internals & Surrogates Back Catalog number: 95227 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended HPCHLOR-XEP Heptachlor-exo-epoxide (isomer B), 1.2mL x 100ug/mL, nonane Price on request X9144 Nitrobenzene Price on request 0405.26-150-CYX10 n-Hexacosane, ?13C: - 34.35, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 630-01-3 Price on request