EPA Method 8040 - Surrogate Standard Back Catalog number: 80403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9911.8--25MG Tyrosol, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 501-94-0 Price on request C16920100 Sebuthylazine D5 (ethyl D5), certified, 5mg Price on request 82400 EPA Method 8240A VOC Mixes Price on request