Drinking Water Standards Kit Back Catalog number: 52074 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4140-100-10IO Nitrogen Calibration Set-Low Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Pyridine Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4140-0 Blank S-4140-03 0.3 Price on request 675998 4-Ethylcatechol, 100mg Price on request S-11013M1-1ML Acetochlor, 100µg/ml in MeOH, 1ml Price on request