longhorn army ammunition plant water quality update and ... comm mtng docs… · longhorn army...
Post on 26-Apr-2020
3 Views
Preview:
TRANSCRIPT
Longhorn Army Ammunition
Plant
Water Quality Update
and Upcoming Army
Documents
George Rice
October 17th, 2012
Update of Water Quality
Issues Discussed in Last Talk (April 2012)
Contaminants at LHAAP
Explosives
• TNT
• DNT
• Perchlorate
Solvents
• TCE
• DCE
• Methylene Chloride
Metals
• Arsenic
• Lead
• Thallium
Analyses of Public Supply Wells (2006, 2009, 2010)
• No solvents (e.g., TCE, methylene chloride) or
explosives (TNT, DNT) detected
• No perchlorate analyses
Electrical Conductivity
Contaminated Groundwater
VS
Caddo Lake Water
Upcoming Army Documents
Five Year Reviews
• After Remedy Put in Place
• Evaluate Effectiveness of Remedy and Need for
Continued Monitoring
o Monitored Natural Attenuation (MNA)
top related