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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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Nitroguanidine Nitroguanidine
SKU: 811

Nitroguanidine

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  • Brand NSI
  • Matrix Methanol
  • Concentration 1000 ug/mL
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
  • Top rated
PAH Mix A, 2,000 µg/mL PAH Mix A, 2,000 µg/mL
SKU: 8100-A

PAH Mix A, 2,000 µg/mL

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  • Brand Spex
  • Matrix Methylene Chloride:Benzene
  • Concentration 2,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
Indeno(1,2,3-c,d)pyrene Indeno(1,2,3-c,d)pyrene
SKU: 81-A

Indeno(1,2,3-c,d)pyrene

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
1,2,3,4-Tetrahydronaphthalene 1,2,3,4-Tetrahydronaphthalene
SKU: 809

1,2,3,4-Tetrahydronaphthalene

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
  • Top rated
Initial Combination Calibration Standard, 1,000 µg/mL Initial Combination Calibration Standard, 1,000 µg/mL
SKU: 8082-IC

Initial Combination Calibration Standard, 1,000 µg/mL

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  • Brand Spex
  • Matrix Hexane
  • Concentration 1,000 µg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
3,5 Dinitroaniline 3,5 Dinitroaniline
SKU: 807

3,5 Dinitroaniline

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
  • Top rated
Phthalates Esters Mix, 2,000 µg/mL Phthalates Esters Mix, 2,000 µg/mL
SKU: 8061-X

Phthalates Esters Mix, 2,000 µg/mL

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  • Brand Spex
  • Matrix Hexane
  • Concentration 2,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
Crotoxyphos Crotoxyphos
SKU: 805

Crotoxyphos

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Crotoxyphos Crotoxyphos
SKU: 805-HA

Crotoxyphos

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Aspon Aspon
SKU: 804

Aspon

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Aspon Aspon
SKU: 804-HA

Aspon

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
1,2,4-Trichlorobenzene 1,2,4-Trichlorobenzene
SKU: 7

1,2,4-Trichlorobenzene

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