EPA Method 524.3 - Surrogate Standard Back Catalog number: 95489 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9747.10-K-ME Ecgonine methyl ester, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request 59527 Metals Mix Price on request 675116 Phorate-oxon, 10.0 µg/ml, Cyclohexane, 1ml Price on request