pH 4.0 Standard @ 25°C

Validation Mixture for Oxygenates and PONA 33 Analytes each Wt.% s listed; units: 1x1mL, 5x1mL neat Use this standard to monitor and make adjustments to the total operation of the system. Name Wt.%

EPA Method 8270A - Mix #16

Chlormequat chloride 1,1,2,2-D4, certified, 5mg