| Filter Encoding Implementation Specification 1.1 | Implementing |
| Geography Markup Language (GML) Encoding Specification 3.1.1 | Implementing |
| Observations and Measurements - Part 1 - Observation schema 1.0 | Implementing |
| | Change Request - O&M Part 1 - Move extensions to new namespace 1.0.0 | Implementing |
| | Observations and Measurements - Part 2 - Sampling Features 1.0 | Implementing |
| Sensor Observation Service 1.0.0 | Implementing |
| Web Service Common Implementation Specification 1.1.0 | Implementing |