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Parliamentary questions
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27 February 2019
Question for written answer E-001044-19
to the Commission
Rule 130
Rosa D'Amato (EFDD)

 Subject:  Hexavalent chromium — TAP
 Answer in writing 

In the migration test on the cement of the microtunnel launch shaft at the TAP construction site, carried out according to the official method, a sample of cement was put into contact with deionised water.

The hexavalent chromium concentration measured in the test was 11.3 µg/l. This is not comparable to a reference limit, since the test is used to classify waste. The above method was employed because it is the only one with a standard procedure for checking on the release of a toxic substance in contact with water.

It is not possible to ascertain whether the level is the same in groundwater (for which the maximum value of which is 5 µg/l). The launch shaft cement, in contact with water, can release a quantity of hexavalent chromium which, under normal conditions, should not be there. When the shaft’s east side wall is breached, the risk of contamination will increase, as the release will no longer be occurring from a solid surface.

Does the Commission think that it would be appropriate to take preventive action as provided for in Article 5 of Directive 2004/35/EC by halting all operations at the TAP construction site?

Original language of question: IT 
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