EPA Method 8260B Surrogate Standard Back Catalog number: 23002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676514 Basic Red 9, 100mg Price on request 0243.24-200-T Dibenzo[a,l]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 191-30-0 Price on request 10753.23-10MG 5F-APINACA N-(4-hydroxypentyl) metabolite Price on request