NSI Solutions
NSI Solutions was founded in 1982 to operate reference materials program for the USEPA, and today, they continue to manufacture and certify reference materials, reagents and proficiency testing samples for applications ranging from classical water chemistry and microbiology to solid and hazardous waste analysis.
- - Custom Solutions (Organic and Inorganic)
- - Extraction Spiking Solutions for Environmental Analyses (Snip™)*
- - Spiking Solutions for Environmental Analyses
- - 8000 Series Method Standards
- - 500 Series Method Standards
- - 600 Series Method Standards
- - Underground Storage Tank Monitoring Standards
- - Inorganic and Microbiological Standards for Environmental Testing
Custom Solutions are available in standard amber ampoules and can be purchased individually or in batches. Minimum order for custom mixes is 5 x 1mL. For custom solutions, please contact your local sales representative.
Accreditations
ISO/IEC 17043:2010 Accredited Proficiency Testing Provider
ISO Guide 34:2009 Accredited Reference Material Producer
ISO/IEC 17025:2005 Accredited Laboratory - Chemical Testing
ISO 9001:2008 Quality Management System
Downloads
Organic, Inorganic, and Microbiological Reference Materials & CRMs
Custom Solution Request Form
Spiking Standards for Semi-Volatiles
Certified Reference Materials for TSS,
TDS, and TS in Water
Certified Reference Materials for BOD Analysis
CRMs for Semi-Volatile Analysis by GC/MS
Microbiology Proficiency Testing for Drinking Water Laboratories
Microbiology Proficiency Testing for Wastewater Laboratories
Reference Materials For Residual and Free Chlorine Analysis In Single Use Teflon® Snips
Certified Reference Materials for Microbiological Analysis of Water and Wastewater
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Item No. NS-QCI-145CHardness QC Std (WS),4 x 250 mL
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Item No. NS-QCI-146
Perchlorate - QC Sample (WP)
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Item No. NS-QCI-147
Stable Sulfide Std - 10 mg/mL,6 x 1.5 mL
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Item No. NS-QCI-147LS
Stable Sulfide Std - 1 mg/mL,1.5 mL
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Item No. NS-QCI-147SStable Sulfide Std - 10 mg/mL,1.5 mL
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Item No. NS-QCI-148
TRC-Amperometric Titration,0.1 mg/L - 25 Tubes
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Item No. NS-QCI-152
Turbidity QC Check Solutions,100 NTU - 500 mL
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Item No. NS-QCI-152C
Turbidity QC Check Solutions,100 NTU - 4 x 500 mL
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Item No. NS-QCI-153
Turbidity QC Check Solutions,50 NTU - 500 mL
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Item No. NS-QCI-153C
Turbidity QC Check Solutions,50 NTU - 4 x 500 mL
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Item No. NS-QCI-154
Turbidity QC Check Solutions,25 NTU - 500 mL
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Item No. NS-QCI-154C
Turbidity QC Check Solutions,25 NTU - 4 x 500 mL
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Item No. NS-QCI-155
Turbidity QC Check Solutions,10 NTU - 500 mL
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Item No. NS-QCI-155C
Turbidity QC Check Solutions,10 NTU - 4 x 500 mL
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Item No. NS-QCI-156
Turbidity QC Check Solutions,5 NTU - 500 mL
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Item No. NS-QCI-156C
Turbidity QC Check Solutions,4 x 500 mL
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Item No. NS-QCI-157
Turbidity QC Check Solutions,2.5 NTU - 500 mL
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Item No. NS-QCI-157C
Turbidity QC Check Solutions,2.5 NTU - 4 x 500 mL
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Item No. NS-QCI-158
Turbidity QC Check Solutions,1.0 NTU - 500 mL
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Item No. NS-QCI-158C
Turbidity QC Check Solutions,1.0 NTU - 4 x 500 mL
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Item No. NS-QCI-170
Fluoride - (WS) QC Sample 250 mL,0.5 - 1.5 mg/L
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Item No. NS-QCI-171
Multi-Analyte Solids Std,4 x 1 L
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Item No. NS-QCI-180
Nonionic Surfactant,1000 mg/L (10 mL)
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Item No. NS-QCI-181
Cationic Surfactant,1000 mg/L (10 mL)
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Item No. NS-QCI-182
Total Res. Chlorine Conc.,0.050 mg/L - 24 Ampules