Water quality

Eurailtest provides expertise with regarding the quality of the water.

Water quality - waste water and micro-polutants from railway activity

Providing expertise with regard to waste water and micro-pollutants from railway activity.

Tests objectives :

Waste water:
• Conduct pollution assessments
• Optimize the efficiency of waste water treatment plants
• Make proposals to reduce pollution at source
• Check compliance with regulations for industrial sites
• Conduct analyses: pH, T, MES, DCO, HCT, Pt, NTK, NO2-, NO3-, metal elements (Al, Fe, Cu, Pb, Ni, Cr, Mn…), ASA, Alkyphenols, HAP, PFOS, DEHP…

Tests facilities :

• UV spectrophotometry
• Plasma spectometer
• Basic chemistry measurement equipment

Accreditations :

• ISO/IEC 17025 awarded by COFRAC

Testing norms :

• LAB GTA 05 – Physico-chemical water analyses
• NF EN ISO 10523 – pH determinations
• NF EN ISO 17294 – Inductively coupled plasma application (ICP-MS) –
Part 2: dosage of 62 elements
• NF EN 872 – MES dosage
• NF EN 903 – Dosage of anionic surfactants
• NF EN 25663 – Dosage of Kjeldhal nitrogen
• NF EN 15705 – Determination of the chemical oxygen demand index (St DCO)

Quality of on-board water supp lies and microbiology

Providing expertise with regard to the quality of the water on board trains.

Tests objectives :

• Conduct analyses and audits on the quality of the on-board water supplied to washbasins, especially microbiological analyses (Escherichia Coli, coliform bacteria, enterococcus, Pseudomonas Aeruginosa, germs)
• Check to ensure that water is potable and that suitable disinfection procedures are in place
• Establish the inspection resources needed and the corresponding inspection frequencies for a rolling stock fleet

Tests facilities :

• Basic chemistry measurement equipment
• IDEXX
• Potability test bench – Disinfection test bench

Accreditations :

• ISO/IEC 17025 awarded by COFRAC

Testing norms :

• LAB GTA 29 – Water intended for human consumption
• FD T 90-520 – Technical guidelines for sampling and health monitoring of the waters ; French public health code applicable
• NF EN ISO 19458 – Quality of water – Sampling for microbiological analyses,
• NF EN ISO 10523 – pH determinations
• NF EN ISO 7393-2 – Dosage of free chlorine and total chlorine

 

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Our references

• ALSTOM
• SNCF