EPA Method 525 Internals & Surrogates Back Catalog number: 95227 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678651 Eprinomectin, 100 µg/ml, Acetonitrile, 1ml Price on request 9871.16-50-IO 4,10-Dimethylphenanthrene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 23189-63-1 Price on request 9275.18-100-ME Clozapine, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 5786-21-0 Price on request