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Our wastewater standards enhance your testing accuracy and efficiency. Regularly using our certified reference materials (CRMs) and proficiency test (PT) standards ensures high data quality and meets accreditation needs. We specialize in ISO-accredited CRMs and effluent standards for wastewater that are stable and seamlessly integrate into routine workflows. Our pre-measured, single-use materials prevent errors and simplify processes. For instance, try our GGA Concentrate Snips™: just snip and pour into a 300mL BOD bottle — no measurements or contamination. Our versatile, multiparameter CRMs streamline testing procedures, reducing the need for multiple CRMs in your lab. Watch our demonstration video to learn more!

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SKU: C-397

625 LCS Spike (50mL)

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  • Brand NSI
  • Matrix Methanol
  • Concentration 100 ug/mL
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-396

625 LCS Spike (10mL)

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  • Brand NSI
  • Matrix Methanol
  • Concentration 100 ug/mL
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-395HC

Acid Extractables

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-395

Acid Extractables

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-394L

Semivolatile Internal Stds 2000ppm

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  • Brand NSI
  • Concentration 2000ppm
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-394H

Semivolatile Internal Stds 4000ppm

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  • Brand NSI
  • Concentration 4000ppm
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-389

Phenols

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-387

Chlorinated Hydrocarbons

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-386

Haloethers

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-385L

PNA Mix,200ppm in methylene chloride/benzene

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  • Brand NSI
  • Matrix Methylene chloride/benzene
  • Concentration 200ppm
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-385HC

PNA Mix 3200ppm, in Methylene chloride/benzene

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  • Brand NSI
  • Concentration 3200ppm
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-385H

PNA Mix 2000ppm in Methylene chloride/benzene

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  • Brand NSI
  • Matrix Methylene chloride/benzene
  • Concentration 2000 ug/mL
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
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