Calibration Standard Set Back Catalog number: 53042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C10332000 Atrazine-desisopropyl, 250mg Price on request 679183 Glufosinate-N-acetyl, 10.0 µg/ml, Water, 10ml Price on request 38167 RCRA Ketones in Soil Price on request