EPA Method 8081A Pesticides QC Mix Back Catalog number: 92280 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 63082 2,2',3,3',4-Pentachlorobiphenyl Price on request 1412.9-1G 2,3,5-Trimethylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 697-82-5 Price on request 50256 Sodium Nitrate as (NO3) Price on request