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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: QCO-020B

NPW - PCB in Water - Blind

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  • Brand NSI
  • Matrix Water
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: PEO-150

BTEX by PID Wastewater PT Standard (2 pack)

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  • Brand NSI
  • Matrix Methanol solution
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-137

Trace Level Mercury (2 pack)

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  • Brand NSI
  • Matrix Nitric acid
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: PEO-136

Nitroaromatics/Nitramines in Water Wastewater PT Standard (2 pack)

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  • Brand NSI
  • Matrix Water
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-135

Low Level PAHs Wastewater PT Standard (2 pack)

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  • Brand NSI
  • Matrix Acetonitile
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-122

Organochlorine Pesticides Wastewater PT Standard (2 pack)

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  • Brand NSI
  • Matrix Ethyl acetate
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-121

Base/Neutrals Wastewater PT Standard (2 pack)

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  • Brand NSI
  • Matrix Acetone/Methanol soution
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-120

Volatiles Wastewater PT Standard (2 pack)

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  • Brand NSI
  • Matrix Methanol solution
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-119

Supplemental Volatiles Wastewater PT Standard (2 pack)

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  • Brand NSI
  • Matrix Methanol solution
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-104

NPW - Alcohols in Water

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  • Brand NSI
  • Matrix Water
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-103

Low Level Halocarbons Wastewater PT Standard (2 pack)

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  • Brand NSI
  • Matrix Methanol solution
  • Certification Single: Grav. w/Analytical Confirmation
SKU: PEO-102

Gasoline Range Organics (GRO) Wastewater PT Standard (2 pack)

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  • Brand NSI
  • Matrix Methanol solution
  • Certification Single: Grav. w/Analytical Confirmation
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