EPA Method 8260B Internal Standard Back Catalog number: 22213 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1402.16-K-IO 6-Butyl-2,3-dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request DTCEP Tris(2-chloroethyl) phosphate-d12, 1.2ml x 50ug/ml, toluene Price on request 2248.22-100-AN HT-2 Toxin, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 26934-87-2 Price on request