EPA Method 552.2 - Surrogate Standard Back Catalog number: 30109 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675981 D4-2-Chlorophenol, 100 µg/ml, Acetone, 1ml Price on request 3679.9-K-IO Quinoline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 91-22-5 Price on request 59346 Anions Mix - Chloride + Sulfate as SO42- Price on request