Previously, informational letters (ILs) were mostly used to announce a new regulatory direction or technical requirements. A few of them, however, contained requirements. Although these documents are no longer published, some of them are still in effect. If you notice a broken link or out-of-date email address or phone number, please contact our Customer Contact Centre.
| Number | Name | Status | Date Sort ascending |
|---|---|---|---|
| IL 82-11 | Preservation of Archaeological, Palaeontological, and Historical Resources: Policy Update [Rescinded by AER Bulletin 2014-16: Regulatory Document Review] | Rescinded | |
| IL 81-30 | Experimental Schemes Involving a Large Array of Wells and Close Well Spacing | In Effect | |
| IL 80-23 | Experimental Schemes | In Effect | |
| IL 79-16 | Revised Incinerator Stack Exit Temperature Criteries for Plants Processing Sour Gas | In Effect | |
| IL-OG 78-12 | Policy on Experimental Schemes - Conventional Oil Pools or Oil Sands | In Effect | |
| IL-OG 76-24 | Stack Exit Temperatures for Acid Gas Incinerators Associated with Gas Processing Plants | In Effect | |
| IL-OG 76-14 | Drill Cuttings and Core | In Effect |
