EPA Method 508 Pesticide Standard Back Catalog number: 92949 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9455.17-100-ME Mirtazapine-d3 (N-Methyl-d3), 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request 673648 Paraoxon-ethyl, 100 µg/ml, Ethyl acetate, 5ml Price on request 679824 Trimethoprim, 100 µg/ml, Methanol, 1ml Price on request