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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: 126

Arochlor 1221 5000ppm in Isooctane

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  • Brand NSI
  • Matrix isooctane
  • Concentration 5000ppm
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 125

Arochlor 1016 5000ppm in isooctane

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  • Brand NSI
  • Matrix isooctane
  • Concentration 5000ppm
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 124

4,4'-DDT

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 119

1-Chloro-2-fluorobenzene

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 115

Heptachlor expoxide (Isomer A)

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 114

Pronamide

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  • Brand NSI
  • Matrix Acetonitrile
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 111

Toxaphene

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 108

Arochlor 1248 5000ppm in Isooctane

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  • Brand NSI
  • Matrix Isooctane
  • Concentration 5000ppm
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 107

Arochlor 1232 5000ppm in Isooctane

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  • Brand NSI
  • Matrix Isooctane
  • Concentration 5000ppm
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 103

delta-BHC

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  • Brand NSI
  • Matrix Ethyl Acetate
  • Concentration 1005.3
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 102

gamma-BHC (Lindane)

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  • Brand NSI
  • Matrix Methanol
  • Concentration 1004.7
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 101

beta-BHC

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  • Brand NSI
  • Matrix Acetone
  • Concentration 997.6
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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