EPA Method 8240A Matrix Spiking Standard Back Catalog number: 82410 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended SC-212592 Propionyl Glycine, >97%, 2,5mg Price on request 8471.11-50-W Carbadox, 50µg/mL, Solvent-water, Unit 1mL, # of units-1, Cas.no. 6804-07-5 Price on request 70019 Aroclor 1248 Price on request