EPA Method 525 Internals & Surrogates Back Catalog number: 95227 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673523 Deltamethrin, 10.0 µg/ml, Ethyl acetate, 10ml Price on request S-4420-ASS-2MEX5 VHO/THM Mixture 7 Analytes, each concentration as listed in methanol; unit: 4.5mL x2 Prod.no. Compound CAS No. Concentration 1350.1 Chloroform [67-66-3] 1000µg/mL 1690.1 Price on request 673887 Fenthion-sulfoxide, 50mg Price on request