Table:
text: List of Superfund sites in Alabama
Superfund sites
Superfund sites
CERCLIS_ID Name_ County Proposed Listed Construction_completed Partially_deleted Deleted
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 – –

text: List of Superfund sites in Alabama
Superfund sites
Superfund sites
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 – – –

Question: From the list of Superfund locations in Alabama, when was the Stauffer Chemical Company (Lemoyne Plant), listed 09/21/1984, removed?