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Proficiency Testing Standards

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Description:   Simple Nutrients QC Sample, One 500 mL whole-volume bottle is ready to analyze, Appearance: Solution in bottle, Volume: 500 mL
Catalog Number: SX739
Supplier: SPEX CERTIPREP LLC



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Description:   WP QC Plus-Oil & Grease QC Sample, One screw-cap vial yields up to 2 liters after dilution, Appearance: Solution in Bottle, Size: 23ml
Catalog Number: SX4123
Supplier: SPEX CERTIPREP LLC



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Description:   HARDNESS WASTEWATER QC SAMPLE 500 ML
Catalog Number: SX507
Supplier: SPEX CERTIPREP LLC



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Description:   Flame AA Trace Metals QC Sample, 24 mL. One 24 mL screw-cap vial, preserved with HNO3, yields up to 500 mL after dilution, Appearance Solution in Bottle
Catalog Number: SX508
Supplier: SPEX CERTIPREP LLC



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Description:   Chlorinated Acid Herbicides 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: SX718
Supplier: SPEX CERTIPREP LLC



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Description:   Complex Nutrients (Hard Water), one 15 mL screw cap vial yields up to 2 liters after dilution, Appearance: Solution in bottle, Volume: 15 mL
Catalog Number: SX1241
Supplier: SPEX CERTIPREP LLC



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Description:   Solids Concentrate Wastewater QC Sample, yields 1 L after dilution, Appearance: Solution in bottle, Size: 23 mL vial
Catalog Number: SX4032
Supplier: SPEX CERTIPREP LLC



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Description:   Metals QC Sample, 15 mL screw-cap vial yields up to 2 L after dilution. Use with ICP-OES, ICP-MS and AA methods, Appearance Solution in Bottle
Catalog Number: SX590
Supplier: SPEX CERTIPREP LLC



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Description:   Color QC Sample, whole volume bottle is ready to analyze, Appearance: Solution in bottle, Volume: 125 mL
Catalog Number: SX661
Supplier: SPEX CERTIPREP LLC



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Description:   Potable WatR Coliforms QC Sample, five lyophilized samples to be analyzed for presence/absence of total fecal and E. Coli coliforms, Appearance Solution in Bottle
Catalog Number: SX694
Supplier: SPEX CERTIPREP LLC



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Description:   WP QC PLUS-VOLATILES 2ML
Catalog Number: SX4173
Supplier: SPEX CERTIPREP LLC



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Description:   Turbidity Drinking Water QC Sample, 15 mL vial, yields up to 1 L after dilution. Use with nephelometric methods, Appearance Solution in Bottle
Catalog Number: SX699
Supplier: SPEX CERTIPREP LLC



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Description:   Solids Wastewater Plus QC Sample, 23 mL vial, yields up to 1 L after dilution, Appearance: Solution in Bottle
Catalog Number: SX4033
Supplier: SPEX CERTIPREP LLC



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Description:   Nutrients Wastewater QC Plus Sample, 2 x 23 mL vials, yields up to 2 L each after dilution QC Sample, Appearance: Solution in Bottle
Catalog Number: SX4023
Supplier: SPEX CERTIPREP LLC



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Description:   WasteWater Coliforms QC Sample containing two lyophilized samples consisting of one negative sample and one positive to be quantitated for total, fecal and E. Coli coliforms, Appearance: Solution in Bottle
Catalog Number: SX83
Supplier: SPEX CERTIPREP LLC



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Description:   Residual Chlorine QC Sample, one 2 mL ampule, yields up to 2 L after dilution, Appearance: Solution in Bottle
Catalog Number: SX696
Supplier: SPEX CERTIPREP LLC



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