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 re-establish the surroundings required for optimal performance. Identify all external and internal elements which impact overall growth with the environmental analysis standards.

Soil and sediment reference material for dioxin, PCB, pesticide, and other organic contaminant levels in soil

Supplier: LGC Standards PROMOCHEM

Natural matrix reference material (Soil) , : 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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Elemental analysis standards, brick clay - constituents, NIST-679

Supplier: LGC Standards PROMOCHEM

Brick clay - constituents, : N/A

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Nitrogen (Total) Standard Solution, CRM

Supplier: CUSTOM MADE CHEMICALS LAB

Total nitrogen standard (100 mg/L) - for photometric applications.

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EPA method 1668A/B labelled cleanup standards, in nonane

Supplier: LGC Standards PROMOCHEM

EPA method 1668A /B standard, 1,2 ml in nonane, : N/A

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Standards for Lead paint films for childrens' products, NIST-2569

Supplier: LGC Standards PROMOCHEM

Lead paint films for children's products, : 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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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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EPA method 23 labelled cleanup standards, in nonane

Supplier: LGC Standards PROMOCHEM

EPA Method 23 calibration solutions [CS1-CS5], 0,2 ml in nonane, : 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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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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TOC Standard Solution

Supplier: CUSTOM MADE CHEMICALS LAB

TOC standard solution, 1000 mg/L, : N/A

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COD standard solutions

Supplier: WTW

COD standard solution, volume: 30 ml, model: SL COD 400, 400 mg/l, : N/A

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Standards for portable colorimeters, CAL Check™

Supplier: Hanna

CAL Check™ Standard for pH/free Chlorine/total Chlorine, CAL Check™, : N/A

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Total organic carbon standards, VHG

Supplier: LGC Standards PROMOCHEM

This standard solution is intended for use as a calibration and reference standard for total organic carbon (TOC).

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Standards for formaldehyde-2,4-dinitrophenyl-hydrazone, BCR®

Supplier: LGC Standards PROMOCHEM

Used on glass fibre filters.

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Reference standards, gypsum

Supplier: LGC Standards PROMOCHEM

Certified reference materials (CRM) for gypsum and its constitutents.

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COD standard solutions, VHG

Supplier: LGC Standards PROMOCHEM

This solution is intended for use as a calibration standard or quality control check for chemical oxygen demand (COD).

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Trace elements in water, NIST-1643F

Supplier: LGC Standards PROMOCHEM

This reference standards are intended to use in the determination of trace elements in fresh water. The solution contains nitric acid at a volume fraction of approximately 2%, equivalent to an amount of substance concentration (molarity) of approximately 0,32 mol/l and also it simulates the elemental composition of fresh water.

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Domestic sludge - metals, NIST-2781 standard

Supplier: LGC Standards PROMOCHEM

This standard reference material is intended to use in the evaluation of methods used for the analysis of sludges and other materials of a similar matrix. These are dried and pulverised domestic sludge.

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Standards for water pollution QC check, inorganics, VHG

Supplier: LGC Standards PROMOCHEM

This solution is intended for use as a quality control check for methods related to measurements of inorganic materials includes conductivity, alkalinity as CaCO₃, chloride, fluoride, nitrite and nitrate, sulphate, potassium, sodium, total dissolved solids and many more.

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Boric acid isotopic standard, NIST-951A

Supplier: LGC Standards PROMOCHEM

This standard reference material is intended for use as an isotopic reference material for the calibration of mass spectrometers. The material consists of highly purified boric acid of high homogeneity.

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Elemental analysis standards, plastic clay, NIST-98B

Supplier: LGC Standards PROMOCHEM

This standards reference material is intended to use in the determination of constituent elements in clay and material of similar matrix. These powdered clay was air-dried, ball-milled and blended to ensure homogeneity.

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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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BOD calibration standards, CRM

Supplier: LGC Standards PROMOCHEM

BOD calibration standard, 1000 mg/l, : N/A, Matrice: H₂O

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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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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.