Geology Testing

Pyrite, Pyrrhotite and Mica

The testing required to assess the extent of pyrite contamination differs from case to case but can include:

I.S.465:2018+A1:2020 – Deleterious materials in Concrete Blocks (Pyrite, Pyrrhotite and Mica)

Sampling, examining and testing cores in accordance with EN 12504 – 1 : 2019
Chemical Analysis (Total Sulfur Content, Acid Soluble Sulfates, Water-Soluble Sulfates, Oxidisable Sulphides) to EN 1744-1:2009+A1:2012
Simplified Petrographic Analysis
Detailed Petrographic Analysis (Thin Sections)
XRD Analysis
SEM image/EDX phase mapping
Cement Content

I.S.398-1:2017 - Reactive pyrite in sub-floor hardcore material

Chemical Analysis (Total Sulfur Content, Acid Soluble Sulfates, Water-Soluble Sulfates, Oxidisable Sulphides) to EN 1744-1:2009+A1:2012
Simplified Petrographic Analysis

Note: The above testing forms the requirements of test suite 0. Should materials fail to comply, further testing may be required in accordance with the standard.

Geology Department Analysis

S.R.16:2016 – Guidance on the use of I.S. EN 12620:2002 - Aggregates for concrete
S.R.18:2021 – Guidance on the use of I.S. EN 131139:2002 - Aggregates for mortar
S.R.21:2014+A1:2016 Annex E – Aggregates for use as hardcore under concrete slabs and footpaths
EN 13242:2002+A1:2007 – Aggregates for unbound and hydraulically bound materials for use in civil engineering work and road construction
'Popping' and delamination of concrete pavements
Simplified Petrographic Analysis, Detailed Petrographic Analysis (Thin Sections), XRD Analysis, SEM image/EDX phase mapping, Freeze thaw analysis
Other bespoke analysis is available on request