Drinking Water Standards

Turb Std, 4000 NTU, Stock Formazin Susp, APHA/EPA for Turb, EP Prim. Opalesc Susp, Ricca Chemical

Chemical Name or Material: Turbidity Standard Name Note: 4000 NTU, Stock Formazin Suspension

Turbidity Standard, 10 NTU (Nephelometric Turbidity Units), Ricca Chemical

Chemical Name or Material: Turbidity Standard Name Note: 10 NTU (Nephelometric Turbidity Units) CAS: 9003-53-6 CAS Min %: 98.0 CAS Max %: 100.0 CAS: 26628-22-8 CAS Min %: 0.02 CAS Max %: 0.02 CAS: 7732-18-5 CAS Min %: 0.01 CAS Max %: 0.01 Physical Form: Liquid

Total Residual Chlorine Drinking Water/Wastewater Standard (ULTRAcheck™ Blind)

Total Residual Chlorine at 0.3-5.0mg/L when diluted to 2 liters

Nitrite Drinking Water Standard (ULTRAcheck™ Blind QC Standard)

Nitrite (as N) at 0.1-1.0mg/L when diluted to 1 liter; Traceable to NIST

Hardness Drinking Water QC Sample, Ready to Analyze, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

Organic Carbon Drinking Water QC Sample, Ready to Analyze, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

Turbidity QC Sample, Drinking Water Standard, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

Secondary Drinking Water Metals For Environmental Analysis, SPEX CertiPrep™ Available on GSA/VA Contract for Federal Government customers only.

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

Residual Chlorine QC Sample, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

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