PD CEN/TR 15678:2008

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Reference concrete
8 Sampling of constituents
9 Control mix, test mixes and test pieces
10 Preparation of concrete test pieces
11 Extraction procedure
12 Assessment of unapproved constituents
13 Analysis
14 Calculation of results
15 Expression of results
16 Test report
17 Test performance (precision estimates and uncertainty)
Annex A (normative) Testing for release of (regulated) dangerous
                    substances from pre-hardened concrete products
                    formed in the factory
Annex B (informative) Testing for release of (regulated) dangerous
                      substances from hardened test pieces
                      representative of fresh wet concretes or
                      pre-packaged concretes
Annex C (informative) Principles of laboratory concrete mix design
                      to be applied for the assessment of
                      new/unapproved constituents of concrete
Bibliography

Describes to test the constituents of concrete, not designated as WT products, using reference concrete matrices (control mixes and test mixes) wherein the release of (regulated) dangerous substances from the constituent under test, into soil, groundwater or surface water, can be determined.