Herbicide Calibration Check - WS Back Catalog number: 10020 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673895 Bentazone, 250mg Price on request S-4241-2K-IPX5 EPA 8040 Surrogate Standard S-4241 2mg/mL each in isopropanol, 1 mL, 5 x 1mL, 5mL 2-Fluorophenol 2,4,6-Tribromophenol Price on request 71104 Dibutylchlorendate Price on request