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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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Di-n-octyl phthalate Di-n-octyl phthalate
SKU: 67-A

Di-n-octyl phthalate

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Di-n-butyl phthalate Di-n-butyl phthalate
SKU: 66

Di-n-butyl phthalate

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
Isopropyl benzene Isopropyl benzene
SKU: 669

Isopropyl benzene

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric and/or Volumetric
Di-n-butyl phthalate Di-n-butyl phthalate
SKU: 66-A

Di-n-butyl phthalate

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Butyl benzyl phthalate Butyl benzyl phthalate
SKU: 65

Butyl benzyl phthalate

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
2-Methyl-1-propanol 2-Methyl-1-propanol
SKU: 659

2-Methyl-1-propanol

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  • Brand NSI
  • Matrix PT Methanol
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Isobutyl alcohol (Isobutanol) Isobutyl alcohol (Isobutanol)
SKU: 659L

Isobutyl alcohol (Isobutanol)

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Disulfoton Disulfoton
SKU: 654

Disulfoton

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  • Brand NSI
  • Matrix Acetone
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Disulfoton Disulfoton
SKU: 654-M

Disulfoton

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Disulfoton Disulfoton
SKU: 654-HA

Disulfoton

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
2,3,5,6-Tetrachlorophenol 2,3,5,6-Tetrachlorophenol
SKU: 652

2,3,5,6-Tetrachlorophenol

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  • Brand NSI
  • Matrix CH2Cl2
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Butyl benzyl phthalate Butyl benzyl phthalate
SKU: 65-A

Butyl benzyl phthalate

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