Detailed Annual Reports (PDF format) for all Soil and Plant Proficiency Programs can be downloaded via the following links:
The ASPAC Inter-Lab Proficiency Program - References and Further Reading
| Plant Analysis Annual Reports | Soil Analysis Annual Reports |
| Plant 2004-2005 | Soil 2004-2005 |
| Plant 2005-2006 | Soil 2005-2006 |
| Plant 2006-2007 | Soil 2006-2007 |
| Plant 2007-2008 | Soil 2007-2008 |
| Plant 2008-2009 | Soil 2008-2009 |
| Plant 2009-2010 | Soil 2009-2010 |
| Plant 2010-2011 | Soil 2010-2011 |
| Plant 2011-2012 | Soil 2011-2012 |
| Plant 2012-2013 | Soil 2012-2013 |
| Plant 2013-2014 | Soil 2013-2014 |
| Plant 2014-2015 | Soil 2014-2015 |
| Plant 2016 | Soil 2016 |
| Plant 2017 | Soil 2017 |
| Plant 2018 | Soil 2018 |
| Plant 2019 | Soil 2019 |
| Plant 2020 | Soil 2020 |
| Plant 2021 | Soil 2021 |
| Plant 2022 | Soil 2022 |
| Plant 2023 (pending) | Soil 2023 (pending) |