The environmental analysis standards confirm testing instruments remain consistent for pollutant level monitoring. Single or multi-element solutions can be used to compare and check composition determinations of unknown samples. Accurately assessing threats in the atmosphere, water sources, or soil, personnel can modify and improve conditions to reestablish the surroundings required for optimal performance. Identify all external and internal elements which impact overall growth with the environmental analysis standards.

Total Nitrogen Standard (1000 mg/L) - for Photometric Applications

Supplier: CPACHEM

Total nitrogen standard (1000 mg/L) - for photometric applications, : N/A

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Indoor dust - trace elements, NIST-2584 standard

Supplier: LGC Standards PROMOCHEM

NIST-2584, indoor dust - trace elements, : N/A

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Standards for water pollution QC check, mercury, VHG

Supplier: LGC Standards PROMOCHEM

This solution is intended for use as a quality control check for methods related to mercury.

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EPA method 23 labelled cleanup standards, in nonane

Supplier: LGC Standards PROMOCHEM

EPA Method 23 daily calibration check standard [CS3], 0,2 ml in nonane, : N/A

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Environmental standards, WHO Dioxin-like PCB mixtures, in isooctane

Supplier: LGC Standards PROMOCHEM

WHO coplanar and mono-ortho PCBs, 1,2 ml in isooctane, : N/A

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Reference standards, PAH mixture, CERTAN®

Supplier: LGC Standards PROMOCHEM

According to EU recommendation about the determination of carcinogenic PAHs in food (2005/108/EC) .

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Elemental analysis standards, portland cement type Ⅲ, NIST-1887B

Supplier: LGC Standards PROMOCHEM

These are intended primarily for the evaluation and calibration of methods for analysis of cements and materials of similar matrix.

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Industrial sludge - leachable and total metals, NIST-2782

Supplier: LGC Standards PROMOCHEM

This standard reference material is intended primarily for use in the evaluation of methods used for the analysis of sludges and other materials of a similar matrix.

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Chemical Oxygen Demand COD 5000 mg/L Calibration Standard

Supplier: CPACHEM

Shelf life on ship date: 24 months - store in a refrigerator at temperatures between 2 to 8 °C.

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Standards for water pollution QC check, solids, VHG

Supplier: LGC Standards PROMOCHEM

This product is intended for use as a quality control check for methods related to total suspended solids (TSS), total dissolved solids (TDS), and total solids (TS).

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Elemental analysis standards, river sediment

Supplier: LGC Standards PROMOCHEM

River sediment - extractable metals, : N/A

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BOD calibration standards, CRM

Supplier: LGC Standards PROMOCHEM

BOD calibration standard, 200 mg/l, : N/A, Matrix: H₂O

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Hard Drinking Water UK Low Level Metals

Supplier: LGC Standards PROMOCHEM

Hard drinking water UK low level metals, : N/A

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Certified reference materials for environmental analysis, IRMM BCR®

Supplier: LGC Standards PROMOCHEM

White clover (trace elements), : N/A

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Reference standards, PAH mixture 15

Supplier: LGC Standards PROMOCHEM

According to EU recommendation about the determination of carcinogenic PAHs in food (2005/108/EC) .

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Estuarine sediment standard - metals, NIST-1646A

Supplier: LGC Standards PROMOCHEM

NIST-1646A, estuarine sediment - metals, : N/A

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Glass - trace elements, NIST standards

Supplier: LGC Standards PROMOCHEM

This standard reference material is intended to facilitate the development of chemical methods of analysis for trace elements.

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Elemental analysis standards, portland cement (Ivory)

Supplier: LGC Standards PROMOCHEM

These are intended primarily for the evaluation and calibration of methods for analysis of cements and materials of similar matrix.

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Standards for water analysis, total kjeldahl nitrogen standard, VHG

Supplier: LGC Standards PROMOCHEM

This standard solution is intended for use as a calibration standard for total kjeldahl nitrogen (TKN).

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Standards for water pollution QC check, hexavalent chromium, VHG

Supplier: LGC Standards PROMOCHEM

This solution is intended for use as a quality control check for methods related to hexavalent chromium.

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Standards for water pollution QC check, total phenolics, VHG

Supplier: LGC Standards PROMOCHEM

This solution is intended for use as a quality control check for methods related to total phenolics.

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Chemical Oxygen Demand COD 50 mg/L Calibration Standard

Supplier: CUSTOM MADE CHEMICALS LAB

Chemical oxygen demand COD 50 mg/L calibration standard, : N/A, Calibration standard

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Reference standards, surface water - trace metals

Supplier: LGC Standards PROMOCHEM

This reference standard is intended for daily use in conjunction with measurement of elements in surface waters. The water solution contains 45 elements with concentrations traceable to
ultrapure metals or stoichiometrically well-defined substances.

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Elemental analysis standards, phosphate rock, western, NIST-694

Supplier: LGC Standards PROMOCHEM

This standard material is intended to use in validating analytical methods and in calibrating instruments used in the analysis of phosphate rock, fertilisers and similar materials.

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Standards for water pollution QC check, oil and grease concentrate, VHG

Supplier: LGC Standards PROMOCHEM

This material is designed for use as a quality control check for EPA method 1664. This standard is prepared in solvent n-propanol but not preserved.

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Reference standards, waste water - trace metals

Supplier: LGC Standards PROMOCHEM

This Reference material is intended for daily use in conjunction with measurement of elements in wastewaters. The water solution contains 13 elements with concentrations traceable to ultra pure metals or stoichiometrically well-defined substances.

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Elemental analysis standards, brick clay - constituents, NIST-679

Supplier: LGC Standards PROMOCHEM

Brick clay - constituents, : N/A

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Hydrazine Sulphate Solution

Supplier: CUSTOM MADE CHEMICALS LAB

Hydrazine sulphate solution, : N/A

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Environmental standards, DSJ PCB mixture, CIL

Supplier: LGC Standards PROMOCHEM

DSJ PCB mixture, unlabeled PCBs, CIL, 1 ml in isooctane, : N/A

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BOD standard solutions, VHG

Supplier: LGC Standards PROMOCHEM

The standard solution is intended for use as a glucose-glutamic acid standard check solution for biochemical oxygen demand (BOD) in APHA Method 5210 B.