Westo — Coevorden, Netherlands
| Certificate Number | 256-CSC21-2021 | Date of certification | Nov 10, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Nederlands |
| Client website — Certificate | |||
| Certificate Number | 256-CSC21-2021 | Date of certification | Nov 10, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Nederlands |
| Client website — Certificate | |||
| Certificate Number | 258-CSC24-2025 | Date of certification | Jul 2, 2025 |
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| Certificate Type | Aggregate | Version | 3.0 English |
| Certificate | |||
| Certificate Number | 259-CSC21-2022 | Date of certification | Jun 15, 2023 |
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| Certificate Type | Concrete, Precast | Version | 2.1 Nederlands |
| Client website — Certificate | |||
| Certificate Number | 26-CSC21-2023 | Date of certification | Apr 10, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Nederlands |
| Client website — Certificate — R-Module — CO₂-Module | |||
| Certificate Number | 262-CSC24-2025 | Date of certification | Nov 1, 2025 |
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| Certificate Type | Aggregate | Version | 3.0 English |
| Client website — Certificate | |||
| Certificate Number | 265-CSC24-2025 | Date of certification | Dec 15, 2025 |
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| Certificate Type | Cement | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 266-CSC21-2022 | Date of certification | Feb 9, 2023 |
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| Certificate Type | Aggregate | Version | 2.1 English |
| Certificate | |||
| Certificate Number | 268-CSC21-2022 | Date of certification | Dec 16, 2022 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 27-CSC21-2023 | Date of certification | Apr 10, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Nederlands |
| Client website — Certificate — R-Module — CO₂-Module | |||
| Certificate Number | 270-CSC21-2023 | Date of certification | Jul 19, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Nederlands |
| Client website — Certificate | |||
| Certificate Number | 271-CSC24-2025 | Date of certification | May 7, 2025 |
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| Certificate Type | Aggregate | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 273-CSC21-2022 | Date of certification | Dec 20, 2023 |
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| Certificate Type | Cement | Version | 2.1 English |
| Client website — Certificate | |||
| Certificate Number | 278-CSC21-2023 | Date of certification | Jul 19, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Nederlands |
| Client website — Certificate | |||
| Certificate Number | 279-CSC21-2023 | Date of certification | Jul 19, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Nederlands |
| Client website — Certificate | |||
| Certificate Number | 28-CSC21-2023 | Date of certification | Apr 10, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Nederlands |
| Client website — Certificate — R-Module — CO₂-Module | |||
| Certificate Number | 282-CSC21-2023 | Date of certification | Jan 2, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate — R-Module — CO₂-Module | |||
| Certificate Number | 292-CSC21-2023 | Date of certification | Jul 19, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Nederlands |
| Client website — Certificate | |||
| Certificate Number | 293-CSC21-2023 | Date of certification | Jul 19, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Nederlands |
| Client website — Certificate | |||
| Certificate Number | 298-CSC21-2023 | Date of certification | Jul 19, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Nederlands |
| Client website — Certificate | |||
| Certificate Number | 299-CSC21-2023 | Date of certification | Jul 19, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Nederlands |
| Client website — Certificate | |||
| Certificate Number | 30-CSC21-2023 | Date of certification | Apr 10, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Nederlands |
| Client website — Certificate — R-Module — CO₂-Module | |||
| Certificate Number | 300-CSC21-2022 | Date of certification | Dec 16, 2022 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 301-CSC21-2023 | Date of certification | Jul 19, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Nederlands |
| Client website — Certificate | |||
| Certificate Number | 302-CSC21-2023 | Date of certification | Jul 19, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Nederlands |
| Client website — Certificate | |||
| Certificate Number | 305-CSC24-2025 | Date of certification | Nov 3, 2025 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 NL |
| Client website — Certificate | |||