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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: 654

Disulfoton

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  • Brand NSI
  • Matrix Acetone
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 652

2,3,5,6-Tetrachlorophenol

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  • Brand NSI
  • Matrix CH2Cl2
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 644

2,3,4-Trichlorophenol

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  • Brand NSI
  • Matrix CH2Cl2
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 642

3,4-Dichlorophenol

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 623

Diallate

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  • Brand NSI
  • Matrix CH2Cl2
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 622

Endothall

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 611

Dicrotophos

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 596

Dibenz(a,j)anthracene

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  • Brand NSI
  • Matrix MeCl2
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 574

Chlorobenzilate

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 573

Kepone

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  • Brand NSI
  • Matrix Cyclohexane
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 572

Parathion methyl

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  • Brand NSI
  • Matrix Hexane
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 568

2,2'-Difluorobiphenyl

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  • Brand NSI
  • Matrix CH2Cl2
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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