Heidelberg Materials Beton DE GmbH - Werk Köln-Niehl — Köln-Niehl, Germany
| Certificate Number | 1014-CSC21-2023 | Date of certification | Aug 31, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 1014-CSC21-2023 | Date of certification | Aug 31, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 1015-CSC21-2023 | Date of certification | Aug 10, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 1018-CSC21-2023 | Date of certification | May 2, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Certificate — R-Module — CO₂-Module | |||
| Certificate Number | 1017-CSC21-2023 | Date of certification | Dec 12, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Certificate | |||
| Certificate Number | 1016-CSC21-2023 | Date of certification | Dec 12, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Certificate | |||
| Certificate Number | 1132-CSC21-2023 | Date of certification | Sep 8, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 1160-CSC21-2023 | Date of certification | Jun 12, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate — R-Module — CO₂-Module | |||
| Certificate Number | 1571-CSC24-2024 | Date of certification | Oct 22, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 1981-CSC24-2025 | Date of certification | Oct 30, 2025 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 Deutsch |
| Client website — Certificate | |||
| Certificate Number | 1107-CSC21-2023 | Date of certification | Sep 7, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate — R-Module — CO₂-Module | |||
| Certificate Number | 1109-CSC21-2023 | Date of certification | Sep 7, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate — R-Module — CO₂-Module | |||
| Certificate Number | 1108-CSC21-2023 | Date of certification | Sep 7, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Certificate — R-Module — CO₂-Module | |||
| Certificate Number | 1111-CSC21-2023 | Date of certification | Sep 7, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Certificate — CO₂-Module | |||
| Certificate Number | 1110-CSC21-2023 | Date of certification | Sep 7, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate — CO₂-Module | |||
| Certificate Number | 1078-CSC21-2023 | Date of certification | May 26, 2023 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate — R-Module — CO₂-Module | |||
| Certificate Number | 1060-CSC21-2023 | Date of certification | Jan 9, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Certificate | |||
| Certificate Number | 1061-CSC21-2023 | Date of certification | Jan 9, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Certificate | |||
| Certificate Number | 1331-CSC21-2023 | Date of certification | May 8, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate — CO₂-Module | |||
| Certificate Number | 1330-CSC21-2023 | Date of certification | May 8, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate — CO₂-Module | |||
| Certificate Number | 1329-CSC21-2023 | Date of certification | May 8, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate — CO₂-Module | |||
| Certificate Number | 1328-CSC21-2023 | Date of certification | May 8, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate — CO₂-Module | |||
| Certificate Number | 1139-CSC21-2023 | Date of certification | Jan 9, 2024 |
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| Certificate Type | Concrete, Ready mixed | Version | 2.1 Deutsch |
| Client website — Certificate | |||
| 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 | 960-CSC24-2025 | Date of certification | Nov 19, 2025 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 Deutsch |
| Certificate | |||
| Certificate Number | 961-CSC24-2025 | Date of certification | Nov 21, 2025 |
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| Certificate Type | Concrete, Ready mixed | Version | 3.0 Deutsch |
| Certificate | |||