EPA Method 524.2 - Revision 4.0 Back Catalog number: 33001 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 97871 Phenylacetylene Price on request GS09000055AC Pesticide/PCB Surrogate, Mix, 200µg/ml in Acetone, 10 x 1ml Price on request DF-IS-H200 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request