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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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BTEX Mix BTEX Mix
SKU: C-301

BTEX Mix

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
BTEX Mix BTEX Mix
SKU: C-301L

BTEX Mix

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
Pesticide Surrogates Pesticide Surrogates
SKU: C-194WL

Pesticide Surrogates

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
Pesticides Surrogates Pesticides Surrogates
SKU: C-194

Pesticides Surrogates

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
VOA Matrix Spike VOA Matrix Spike
SKU: C-193

VOA Matrix Spike

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
Acids Matrix Spike Acids Matrix Spike
SKU: C-191

Acids Matrix Spike

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
Base/Neutrals Matrix Spike Base/Neutrals Matrix Spike
SKU: C-190

Base/Neutrals Matrix Spike

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
CLP Base/Neutrals Surrogate Mix (1000ppm) CLP Base/Neutrals Surrogate Mix (1000ppm)
SKU: C-162L

CLP Base/Neutrals Surrogate Mix (1000ppm)

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  • Brand NSI
  • Concentration 1000ppm
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
CLP Base/Neutrals Surrogate Mix (5000ppm) CLP Base/Neutrals Surrogate Mix (5000ppm)
SKU: C-162H

CLP Base/Neutrals Surrogate Mix (5000ppm)

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  • Brand NSI
  • Concentration 5000ppm
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
CLP Acids Surrogate Mix Low (1500ppm) CLP Acids Surrogate Mix Low (1500ppm)
SKU: C-161L

CLP Acids Surrogate Mix Low (1500ppm)

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  • Brand NSI
  • Concentration 1500ppm
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
CLP Acids Surrogate Mix (7500ppm) CLP Acids Surrogate Mix (7500ppm)
SKU: C-161H

CLP Acids Surrogate Mix (7500ppm)

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  • Brand NSI
  • Concentration 7500ppm
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
Method 8260 Internal Standards (2500ppm) Method 8260 Internal Standards (2500ppm)
SKU: C-157

Method 8260 Internal Standards (2500ppm)

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  • Brand NSI
  • Concentration 2500ppm
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
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