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Proficiency Testing Standards

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Description:   Tin & Titanium Wastewater QC Sample, yields up to 1 L after dilution, Appearance: Solution in bottle, Volume: 15 mL
Catalog Number: SX517
Supplier: SPEX CERTIPREP LLC



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Description:   pH Drinking Water QC Sample, One 250 mL whole-volume bottle is ready to analyze, Appearance: Solution in bottle, Volume: 250 mL
Catalog Number: SX779
Supplier: SPEX CERTIPREP LLC



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Description:   MBAS/LAS SURFACTANTS QC SAMPLE 15 ML
Catalog Number: SX975
Supplier: SPEX CERTIPREP LLC



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Description:   COLOR WASTEWATER QC SAMPLE 125 ML
Catalog Number: SX70
Supplier: SPEX CERTIPREP LLC



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Description:   Gamma EmitterS, RadChem QC Sample, One 12 mL screw-top vial yields up to 2 liters after dilution, Appearance: Solution in bottle, Volume: 12ml
Catalog Number: SX758
Supplier: SPEX CERTIPREP LLC



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Description:   Total Petroleum Hydrocarbons Wastewater QC Sample no. 2, 1 L bottle, ready to analyze for TPH in the presence of interfering fatty acids, Appearance: Solution in bottle, Volume: 1l
Catalog Number: SX601
Supplier: SPEX CERTIPREP LLC



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Description:   Turbidity Wastewater QC Sample, 15 mL. One 15 mL screw-cap vial yields up to 1 liter after dilution. Use with nephelometric methods, Appearance Solution in Bottle
Catalog Number: SX777
Supplier: SPEX CERTIPREP LLC



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Description:   Boron Wastewater QC Sample, 60 mL. One unpreserved 60 mL poly bottle yields in excess of 2 liters after dilution. Designed for colorimetric methods, Appearance Solution in Bottle
Catalog Number: SX919
Supplier: SPEX CERTIPREP LLC



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Description:   Organochlorine Pesticides Wastewater QC Sample, 2 mL, One 2 mL flame-sealed ampule yields up to 2 liters after dilution, Contains a subset of the analytes in the components list, AppearanceSolution in Bottle
Catalog Number: SX713
Supplier: SPEX CERTIPREP LLC



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Description:   Demand QC Sample, One 15 mL screw cap vial yields up to 2 liters after dilution, Appearance: Solution in bottle, Volume: 15 mL
Catalog Number: SX1242
Supplier: SPEX CERTIPREP LLC



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Description:   pH Wastewater QC Sample, 250 mL. One 250 mL whole-volume bottle is ready to analyze. Use with electrometric methods, Appearance Solution in Bottle
Catalog Number: SX977
Supplier: SPEX CERTIPREP LLC



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Description:   WP PCBs in Oil, 10 mL. One 10 mL flame-sealed ampule is ready to analyze. Contains a different Aroclor, randomly selected from the components list, Appearance Solution in Bottle
Catalog Number: SX729S
Supplier: SPEX CERTIPREP LLC



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Description:   Regulated Volatiles Drinking Water QC Samples, 2 mL, One 2 mL flame sealed ampule yields in excess of 200 mL after dilution, AppearanceSolution in Bottle
Catalog Number: SX703
Supplier: SPEX CERTIPREP LLC



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Description:   Demand Wastewater QC Sample, 15 mL vial, yields up to 2 L after dilution, Appearance: Solution in Bottle
Catalog Number: SX516
Supplier: SPEX CERTIPREP LLC



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Description:   Low-Level Total Residual Chlorine Wastewater QC Sample, One 2 mL flame-sealed ampule yields up to 2 liters after dilution. Designed for testing at low ug/L levels. Use with sensitive titrimetric or colorimetric methods, Appearance: Solution in bottle, Volume: 2ml
Catalog Number: SX917
Supplier: SPEX CERTIPREP LLC



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Description:   o-Phosphate Nutrients Drinking Water QC Sample, 15 mL vial, yields up to 2 L after dilution, Appearance: Solution in bottle, Volume: 15 mL
Catalog Number: SX667
Supplier: SPEX CERTIPREP LLC



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