EPA Method 525 Pesticide Standard Sub Conc Back Catalog number: 98307 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2610.22-10UG 3,4-Dihydrobenzo[ghi]perylene, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 16310-65-9 Price on request DF-IS-C Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request 53086 QC Standard 3 Price on request