The current interlaboratory comparison is only for Bulgaria.

It will include the laboratory activity "testing". The object of the comparison will be the product “Nitric acid (technical)”.

The product and the parameter are not covered by the scope of accreditation of PT provider PTS Bulgaria at "PTS Bulgaria" OOD.

The interlaboratory comparison other than proficiency testing is conducted in the sense of item 7.7.2 b) of ISO/IEC 17025:2018.