PT Provider PTS Bulgaria invites you to take part in proficiency testing scheme № 26/03-T-1 by means of an interlaboratory comparison.
The PT scheme is in accordance with ISO/IEC 17043:2023 and includes the laboratory activity “Testing” of Construction Soil under standard methods and parameters, indicated in the table below.
The product and the parameters are under the scope of accreditation of PT Provider PTS Bulgaria at PTS Bulgaria Ltd.
The submission period is until 15 June 2026.
⚠️After filling out and submitting the application in PDF format, the date of application will be considered the date of receipt of the completed application at the e-mail specified in it!
⚠️When applying through the electronic form on the website /electronic application/, the date of receipt of the automatic e-mail with the data filled in by you is considered the date of application.
You may find more details in the Detailed PT plan and the Invitation for participation in section “Documents for participation”.
Item of the proficiency testing
CONSTRUCTION SOIL
TESTING
| Code of the standаrd | Parameter | Number of participations |
|---|---|---|
*EN ISO 17892-1 |
Water content (three determinations) |
|
*EN ISO 17892-3, clause 5.1 (Fluid pycnometer method) |
Particle density (three determinations) |
|
*EN ISO 17892-12, clause 5.4 (Casagrande method) |
Liquid limit (three determinations) |
|
*EN ISO 17892-12, clause 5.3 (Fall cone method) |
Liquid limit (three determinations) |
|
*EN ISO 17892-12, clause 5.5 |
Plastic limit (three determinations) |
|
*AASHTO T 89 |
Liquid limit (three determinations) |
|
*AASHTO T 90 |
Plastic limit (three determinations) |
*The tests will be carried out according to the last valid versions of the indicated standards!
Note: The product and the parameters are under the scope of accreditation of PT Provider PTS Bulgaria.