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Assessment of conformity of plastics piping systems for the rehabilitation of existing pipelines - Resin-fibre composite (RFC) material. Original standard PD CEN ISO TS 23818-2-2022 in PDF full version. Additional info + preview on request

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Assessment of conformity of plastics piping systems for the rehabilitation of existing pipelines - Part 3: Unplasticised poly(vinyl chloride) (PVC-U) material. Original standard PD CEN ISO TS 23818-3-2022 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Liquid chromatography at critical conditions (LCCC). Chemical heterogeneity of polyethylene oxides. Original standard PD CEN ISO TS 23973-2021 in PDF full version. Additional info + preview on request

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Geotechnical investigation and testing. Qualification criteria and assessment - Qualified technician and qualified operator. Original standard PD CEN ISO TS 24283-1-2022 in PDF full version. Additional info + preview on request

Document status: Active

Geotechnical investigation and testing. Qualification criteria and assessment - Responsible expert. Original standard PD CEN ISO TS 24283-2-2022 in PDF full version. Additional info + preview on request

Document status: Active

Geotechnical investigation and testing. Qualification criteria and assessment - Qualified enterprise. Original standard PD CEN ISO TS 24283-3-2022 in PDF full version. Additional info + preview on request

Document status: Active