EPA Method 525 Surrogate Standard Back Catalog number: 93971 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678141 1,2-Dichlorobenzene, 1000mg Price on request 70483 2-Chloro-1,3-butadiene Price on request 684840 Quinclorac, 10.0 µg/ml, Acetonitrile, 10ml Price on request