EPA Method 8260B Surrogate Standard Back Catalog number: 23012 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678224 Sulfotep, 100mg Price on request 73448 Quinoxyfen, 1000μg/ml in MeOH, 1ml Price on request 59612 IC Anions Cal Std - COA Level 4 Price on request