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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: ECS-N-201

Semivolatile Internal Standards Mix, 2,000 µg/mL

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  • Brand Spex
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Concentration 2,000 μg/mL
  • Matrix Methylene Chloride
  • Raw Material >95% min; as available
  • Top rated
SKU: ECS-N-001

Semivolatile Internal Standards Mix, 4,000 µg/mL

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  • Brand Spex
  • Matrix Methylene Chloride
  • Concentration 4,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
SKU: CWW-TOC-G

Total Organic Carbon at 100 µg/mL in H2O (5 mL)

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  • Brand HPS
  • Matrix H2O
  • Concentration 100 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
SKU: CWW-TOC-E

Total Organic Carbon at 40 µg/mL in H2O (5 mL)

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  • Brand HPS
  • Matrix H2O
  • Concentration 40 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
SKU: CWW-TOC-D

Total Organic Carbon at 30 µg/mL in H2O (5 mL)

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  • Brand HPS
  • Matrix H2O
  • Concentration 30 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
SKU: CWW-TOC-C

Total Organic Carbon at 20 µg/mL in H2O (5 mL)

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  • Brand HPS
  • Matrix H2O
  • Concentration 20 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
SKU: CWW-TOC-B

Total Organic Carbon at 10 µg/mL in H2O (5 mL)

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  • Brand HPS
  • Matrix H2O
  • Concentration 10 µg/mL
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/IC Confirmation
SKU: CWW-TM-H

22 Component Trace Metals in 10% HNO3 + Tr HF, Mix H (10 mL)

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  • Brand HPS
  • Matrix 10% HNO3 + Tr HF, Mix G
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: CWW-TM-F

22 Component Trace Metals in 10% HNO3 + Tr HF, Mix F (10 mL)

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  • Brand HPS
  • Matrix 10% HNO3 + Tr HF, Mix F
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: CWW-TM-E

22 Component Trace Metals in 10% HNO3 + Tr HF, Mix E (10 mL)

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  • Brand HPS
  • Matrix 10% HNO3 + Tr HF, Mix E
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: CWW-TM-D

22 Component Trace Metals in 10% HNO3 + Tr HF Mix D (10 mL)

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  • Brand HPS
  • Matrix 10% HNO3 + Tr HF Mix D
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
SKU: CWW-TM-C

22 Component Trace Metals in 10% HNO3 + Tr HF, Mix C (10 mL)

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  • Brand HPS
  • Matrix 10% HNO3 + Tr HF, Mix C
  • Raw Material Five 9s as available; no purification
  • Certification Single: Gravimetric w/ICP Confirmation
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