Version history
| Status | Document | Version number | Date | Document |
|---|---|---|---|---|
| Current | HEER - Method Guide - V4.8 | Version V4.8 | 1 Jul 2026 - 30 Jun 2050 | Download .PDF |
| Previous | HEER - Method Guide - V4.7 | Version V4.7 | 12 Sep 2025 - 30 Jun 2026 | Download .PDF |
| Previous | HEER - Method Guide - V4.6 | Version 4.6 | 29 May 2024 - 11 Sep 2025 | Download .PDF |
| Previous | HEER - Method Guide - V4.5 | Version V4.5 | 6 Mar 2024 - 24 May 2024 | Download .PDF |
| Previous | HEER - Method Guide - V4.4 | Version 4.4 | 14 Apr 2023 - 5 Mar 2024 | Download .PDF |
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