EPA Method 8310 Surrogate Standard Back Catalog number: 94123 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680404 Fluorene, 100 µg/ml, Acetonitrile, 1ml Price on request 10532.27-100-ME 25-Hydroxyvitamin D3, 100µg/ml in MeOH, 1ml Price on request 11925.24-100-ME Eplerenon,100 µg/mL,MeOH,1mL, Price on request