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Drinking water is susceptible to numerous harmful contaminants, prompting the EPA to establish rigorous regulations for over 90 pollutants, encompassing microorganisms, inorganic chemicals, organic chemicals, disinfectants, and disinfection by-products. We provide an extensive range of certified reference materials (CRMs) tailored for comprehensive drinking water analysis. Our offerings include specific drinking water pH standards, as well as testing standards for residual free chlorine, turbidity, trace metals, mercury, fluoride, and nitrite. Our drinking water standards are essential for maintaining water quality, safeguarding public health, and supporting accurate and reliable laboratory analysis.

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SKU: C-311

Method 8260 Surrogates, 2500ppm

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  • Brand NSI
  • Concentration 2500ppm
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-307

Method 8260 Internal Standards, 2500ppm

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  • Brand NSI
  • Concentration 2500ppm
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-303L

Gases Mix - 200ppm each

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  • Brand NSI
  • Concentration 200ppm
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-303H

Gases Mix - 2000ppm each

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  • Brand NSI
  • Concentration 2000ppm
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-303

Gases Mix - 1000ppm each

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  • Brand NSI
  • Concentration 1000ppm
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-301L

BTEX Mix

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-301

BTEX Mix

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-194

Pesticides Surrogates

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-193

VOA Matrix Spike

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-191

Acids Matrix Spike

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-190

Base/Neutrals Matrix Spike

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-162L

CLP Base/Neutrals Surrogate Mix (1000ppm)

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  • Brand NSI
  • Concentration 1000ppm
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
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