EPA Method 524.3 - Surrogate Standard Back Catalog number: 95489 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11808.6-K-IP 4-Chlorophenol-2,3,5,6-d4,1000 µg/mL,isopropanol,1mL, Price on request 72370 2,4-Di-tert-amylphenol Price on request 676958 Temephos, 100 µg/ml, Acetonitrile, 1ml Price on request