| Environmental Science (miscellaneous) | 1997 | Q1 |
| Environmental Science (miscellaneous) | 1998 | Q2 |
| Environmental Science (miscellaneous) | 1999 | Q2 |
| Environmental Science (miscellaneous) | 2000 | Q2 |
| Environmental Science (miscellaneous) | 2001 | Q3 |
| Environmental Science (miscellaneous) | 2002 | Q3 |
| Environmental Science (miscellaneous) | 2003 | Q3 |
| Environmental Science (miscellaneous) | 2004 | Q3 |
| Environmental Science (miscellaneous) | 2005 | Q3 |
| Environmental Science (miscellaneous) | 2006 | Q4 |
| Environmental Science (miscellaneous) | 2007 | Q3 |
| Environmental Science (miscellaneous) | 2008 | Q3 |
| Environmental Science (miscellaneous) | 2009 | Q3 |
| Environmental Science (miscellaneous) | 2010 | Q3 |
| Environmental Science (miscellaneous) | 2011 | Q3 |
| Environmental Science (miscellaneous) | 2012 | Q4 |
| Environmental Science (miscellaneous) | 2013 | Q3 |
| Environmental Science (miscellaneous) | 2014 | Q3 |
| Environmental Science (miscellaneous) | 2015 | Q4 |
| Environmental Science (miscellaneous) | 2016 | Q4 |
| Filtration and Separation | 1997 | Q3 |
| Filtration and Separation | 1998 | Q3 |
| Filtration and Separation | 1999 | Q3 |
| Filtration and Separation | 2000 | Q3 |
| Filtration and Separation | 2001 | Q3 |
| Filtration and Separation | 2002 | Q3 |
| Filtration and Separation | 2003 | Q2 |
| Filtration and Separation | 2004 | Q2 |
| Filtration and Separation | 2005 | Q3 |
| Filtration and Separation | 2006 | Q4 |
| Filtration and Separation | 2007 | Q3 |
| Filtration and Separation | 2008 | Q3 |
| Filtration and Separation | 2009 | Q3 |
| Filtration and Separation | 2010 | Q4 |
| Filtration and Separation | 2011 | Q3 |
| Filtration and Separation | 2012 | Q3 |
| Filtration and Separation | 2013 | Q4 |
| Filtration and Separation | 2014 | Q4 |
| Filtration and Separation | 2015 | Q4 |
| Filtration and Separation | 2016 | Q4 |
| Industrial and Manufacturing Engineering | 1997 | Q1 |
| Industrial and Manufacturing Engineering | 1998 | Q2 |
| Industrial and Manufacturing Engineering | 1999 | Q2 |
| Industrial and Manufacturing Engineering | 2000 | Q2 |
| Industrial and Manufacturing Engineering | 2001 | Q2 |
| Industrial and Manufacturing Engineering | 2002 | Q2 |
| Industrial and Manufacturing Engineering | 2003 | Q2 |
| Industrial and Manufacturing Engineering | 2004 | Q2 |
| Industrial and Manufacturing Engineering | 2005 | Q2 |
| Industrial and Manufacturing Engineering | 2006 | Q3 |
| Industrial and Manufacturing Engineering | 2007 | Q2 |
| Industrial and Manufacturing Engineering | 2008 | Q3 |
| Industrial and Manufacturing Engineering | 2009 | Q3 |
| Industrial and Manufacturing Engineering | 2010 | Q2 |
| Industrial and Manufacturing Engineering | 2011 | Q3 |
| Industrial and Manufacturing Engineering | 2012 | Q3 |
| Industrial and Manufacturing Engineering | 2013 | Q3 |
| Industrial and Manufacturing Engineering | 2014 | Q3 |
| Industrial and Manufacturing Engineering | 2015 | Q3 |
| Industrial and Manufacturing Engineering | 2016 | Q3 |