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Organic, Inorganic, Microbiology, and Proficiency Testing (PT) Reference Materials

Soil and underground storage tank (UST) regulations protect the environment and public health by governing the management, installation, operation, and closure of UST systems to prevent leaks, spills, and soil/groundwater contamination. Compliance helps mitigate the risks of pollution that can impact communities and ecosystems.

We provide organic, inorganic, microbiology, and proficiency testing (PT) reference materials for soil/UST testing. Our UST soil standards support detection and quantitation of contaminants to demonstrate compliance and safeguard environmental and public health.

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1,004 Items found

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Dimethyl phthalate Dimethyl phthalate
SKU: 69

Dimethyl phthalate

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
Dimethyl phthalate Dimethyl phthalate
SKU: 69-A

Dimethyl phthalate

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Diethyl phthalate Diethyl phthalate
SKU: 68

Diethyl phthalate

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
2-Picoline 2-Picoline
SKU: 688

2-Picoline

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Ethyl methacrylate Ethyl methacrylate
SKU: 687

Ethyl methacrylate

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  • Brand NSI
  • Matrix PT Methanol
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Methacrylonitrile Methacrylonitrile
SKU: 686

Methacrylonitrile

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Methacrylonitrile Methacrylonitrile
SKU: 686H

Methacrylonitrile

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Tetrahydrofuran Tetrahydrofuran
SKU: 685

Tetrahydrofuran

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Diethyl phthalate Diethyl phthalate
SKU: 68-A

Diethyl phthalate

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Di-n-octyl phthalate Di-n-octyl phthalate
SKU: 67

Di-n-octyl phthalate

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
Formaldehyde Formaldehyde
SKU: 678

Formaldehyde

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
Cyclohexanone Cyclohexanone
SKU: 675

Cyclohexanone

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