Holcon GmbH, Werk Hattersheim — Hattersheim, Germany
| Certificate Number | 583-CSC24-2024 | Date of certification | Jul 1, 2024 |
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| Certificate Type | Concrete, Precast | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 583-CSC24-2024 | Date of certification | Jul 1, 2024 |
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| Certificate Type | Concrete, Precast | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 143-CSC24-2024 | Date of certification | Jan 15, 2025 |
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| Certificate Type | Aggregate | Version | 3.0 English |
| Client website — Certificate | |||
| Certificate Number | 622-CSC24-2024 | Date of certification | Mar 15, 2024 |
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| Certificate Type | Aggregate | Version | 3.0 English |
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| Certificate Number | 635-CSC24-2024 | Date of certification | May 15, 2024 |
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| Certificate Type | Concrete, Precast | Version | 3.0 English |
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| Certificate Number | 45-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 | 299-CSC21-2023 | Date of certification | Jul 19, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Nederlands |
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| Certificate Number | 691-CSC24-2024 | Date of certification | Dec 8, 2024 |
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| Certificate Type | Cement | Version | 3.0 Deutsch |
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| Certificate Number | 910-CSC24-2025 | Date of certification | Nov 20, 2025 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 957-CSC24-2025 | Date of certification | Nov 28, 2025 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 Deutsch |
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| Certificate Number | 1279-CSC21-2023 | Date of certification | May 24, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Certificate — R-Module | |||
| Certificate Number | 137-CSC24-2024 | Date of certification | May 7, 2024 |
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| Certificate Type | Cement | Version | 3.0 Deutsch |
| Certificate | |||
| Certificate Number | 2008-CSC24-2025 | Date of certification | Dec 11, 2025 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 379-CSC24-2026 | Date of certification | Mar 3, 2026 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 Deutsch |
| Client website — Certificate — R-Module — CO₂-Module | |||
| Certificate Number | 1176-CSC21-2023 | Date of certification | Dec 5, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Certificate | |||
| Certificate Number | 191-CSC24-2025 | Date of certification | Dec 16, 2025 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 Deutsch |
| Client website — Certificate — CO₂-Module | |||
| Certificate Number | 1041-CSC21-2023 | Date of certification | Feb 14, 2024 |
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| Certificate Type | Concrete, Precast | Version | 2.1 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 1943-CSC24-2025-U | Date of certification | Oct 16, 2025 |
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| Certificate Type | Concrete, Precast | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 2078-CSC24-2026 | Date of certification | Feb 27, 2026 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 Deutsch |
| Client website — Certificate — R-Module — CO₂-Module | |||
| Certificate Number | 466-CSC21-2023 | Date of certification | Jul 24, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate — CO₂-Module | |||
| Certificate Number | 1348-CSC24-2024 | Date of certification | Oct 14, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 1442-CSC24-2024 | Date of certification | May 23, 2024 |
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| Certificate Type | Concrete, Precast | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 1651-CSC24-2024 | Date of certification | Jul 10, 2025 |
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| Certificate Type | Concrete, Precast | Version | 3.0 Deutsch |
| Certificate | |||
| Certificate Number | 1708-CSC24-2024 | Date of certification | Jan 6, 2025 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 1185-CSC21-2023 | Date of certification | Mar 21, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate — R-Module | |||
| Certificate Number | 506-CSC21-2023 | Date of certification | Nov 18, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate — R-Module | |||