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Turbidity 1000 NTU Calibration Standard – Formazin
Total Suspended Solids 100 mg/L Calibration Standard
Total Phenolics 1000mg/L Calibration Standard
Kjeldahl Nitrogen, Total (TKN) 1000mg/L Calibration Standard
Sulfide IC Standard
Color 500 Pt-Co Units Calibration Standard
BOD 1000 mg/L Calibration Standard
Amino Acid Standard