Proficiency Testing № PTS 22/08-1

Dear colleagues,

It is our pleasure to invite you to take part in proficiency testing № PTS 22/08-1 by means of an interlaboratory comparison.

The subject of testing will be product “Construction soils” under standard methods and parameters, pointed below.

The product and the parameters are under the scope of accreditation of PT Provider PTS Bulgaria at PTS Bulgaria Ltd.

You may find more details in the Detailed PT plan and the Invitation for participation in section “Documents for participation”.

Subjects of the proficiency testing

Construction soils

Testing

Number of participantions Code Name Characteristics

*EN ISO 17892-1

Geotechnical investigation and testing - Laboratory testing of soil - Part 1: Determination of water content (ISO 17892-1:2014)

Water content

*EN ISO 17892-3, clause 5.1  (Fluid pycnometer method)

Geotechnical investigation and testing - Laboratory testing of soil - Part 3: Determination of particle density (ISO 17892-3:2015, Corrected version 2015-12-15)

Particle density

*EN ISO 17892-12, clause 5.4 (Casagrande method)

Geotechnical investigation and testing - Laboratory testing of soil - Part 12: Determination of liquid and plastic limits (ISO 17892-12:2018)

Liquid limit

*EN ISO 17892-12, clause 5.3 (Fall cone method)

Geotechnical investigation and testing - Laboratory testing of soil - Part 12: Determination of liquid and plastic limits (ISO 17892-12:2018)

Liquid limit

*EN ISO 17892-12, clause 5.5

Geotechnical investigation and testing - Laboratory testing of soil - Part 12: Determination of liquid and plastic limits (ISO 17892-12:2018)

Plastic limit

*AASHTO T 89

Standard Method of Test for Determining the Liquid Limit of Soils

Liquid limit

*AASHTO T 90

Standard Method of Test for Determining the Plastic Limit and Plasticity Index of Soils

Plastic limit

* All tests will be carried out according to the last valid versions of the pointed standards!

Application for participation

  1. Basic information
  2. Details
  3. Subject under test
Basic information

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  2. Details
  3. Subject under test
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  2. Details
  3. Subject under test
Number of participantions

Construction soils

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