EPA Method 8081A Pesticide Standard B Back Catalog number: 92788 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95259 PCB Mix 2.5 ppb Price on request 9074.9-K-IP 2-Chlorosyringealdehyde, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 76341-69-0 Price on request 90998 1,4-Dichlorobenzene-d4 Price on request