EPA Method 524.3 - Surrogate Standard Back Catalog number: 95489 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 90617 Ethanol, 2000µg/ml in Water, 1ml Price on request P840600 Pyrazinamide, 1g Price on request PN-27S 1,2,3,4-Tetrachloronaphthalene, 1.2ml x 50ug/ml, nonane Price on request