Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| CERCLIS ID | Name | County | Proposed | Listed | Construction completed | Partially deleted | Deleted |
| --- | --- | --- | --- | --- | --- | --- | --- |
| AL6210020008 | Alabama Army Ammunition Plant | Talladega | 10/15/1984 | 07/22/1987 | – | – | – |
| ALD004022448 | Alabama Plating Company | Shelby | 08/24/2000 | 09/18/2012 | – | – | – |
| ALD981868466 | American Brass | Henry | 01/19/1999 | 05/10/1999 | 09/01/2009 | – | – |
| AL3210020027 | Anniston Army Depot (SE Industrial Area) | Calhoun | 10/15/1984 | 03/13/1989 | – | – | – |
| AL0001058056 | Capitol City Plume | Montgomery | 05/11/2000 | – | – | – | – |
| ALD001221902 | Ciba-Geigy Corp. ( McIntosh Plant) | Washington | 09/08/1983 | 09/21/1984 | 07/19/2000 | – | – |
| ALD041906173 | Interstate Lead Company (ILCO) | Jefferson | 09/18/1985 | 06/10/1986 | – | – | – |
| ALD031618069 | Mowbray Engineering | Butler | 12/30/1982 | 09/08/1983 | 09/16/1991 | – | 12/30/1993 |
| ALD008188708 | Olin Corp. ( McIntosh Plant) | Washington | 09/08/1983 | 09/21/1984 | – | – | – |
| ALD980728703 | Perdido Ground Water Contamination | Baldwin | 12/30/1982 | 09/08/1983 | 07/30/1993 | – | – |
| AL7210020742 | Redstone Arsenal ( US Army / NASA ) | Madison | 06/23/1993 | 05/31/1994 | – | – | – |
| ALD980844385 | Redwing Carriers Incorporated (Saraland) | Mobile | 06/24/1988 | 02/21/1990 | 09/03/2009 | – | – |
| ALD095688875 | Stauffer Chemical Company (Cold Creek Plant) | Mobile | 09/08/1983 | 09/21/1984 | – | – | – |
| ALD008161176 | Stauffer Chemical Company (LeMoyne Plant) | Mobile | 09/08/1983 | 09/21/1984 | – | – | – |
| ALD007454085 | T.H. Agriculture & Nutrition (Montgomery) | Montgomery | 06/24/1988 | 08/30/1990 | 09/27/2002 | – | – |
| ALD983166299 | Triana/Tennessee River | Morgan , Limestone , and Madison | 12/30/1982 | 09/08/1983 | 12/18/1991 | – | – |
Question:
On what date was Stauffer Chemical Company (Lemoyne Plant), which was listed on 09/21/1984, deleted?
Answer:
–