Calibration Standard Mix 3 Back Catalog number: 52035 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92843 EPA Method 525.2 Pesticide Level 4 Price on request 0387.11-K-IO 1-Methylnaphthalene-d10, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 38072-94-5 Price on request MET-13104A-25MG Propachlor ESA sodium salt, 25mg Price on request