EPA Method 8141 Surrogate Standard Back Catalog number: 92387 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680165 Acetic acid, 5ml Price on request 9194.17-100-ME Omeprazole-d3 (benzimidazole-4,6,7-d3), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request 1743.13-K-T Benzo[f]quinoline, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 85-02-9 Price on request