EPA Method 8260B Surrogate Standard Back Catalog number: 23012 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 98655 PAH Standard (200 ppm) Price on request 3519.6-100MG 1,2,4-Trichlorobenzene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 120-82-1 Price on request V125003 Verapamil-d7 Hydrochloride, 5mg Price on request