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Science & NatureLANL IP
By brucey
Category: Science & Nature. Viewed 277 times. Created September 2014.     Disclaimer.   
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LANL IP Decision tree regarding "Class 2" issues (TAL exceedences).

                 
TALs exceeded?
NO
For an individual site, execute and meet protocols for exiting permit coverage.
Exit permit for this site.
 
 

YES








Contamination due to off-site sources?
NO
Is there adequate monitoring data to demonstrate the site causes TAL exceedences?
NO
Are the available data from stormwater?
YES
Is storm flow probably in the future?
YES
Collect more stormwater data and compare to TALs.

YES


YES


NO

NO



Can run on data be collected?
Are contaminants PCBs or others that are cover in the "Demonstration Protocols"?
Are available data from soils only or are there no data?
NO
Collect new of use existing soils data and proceed to TCLP/Soil Partitioning Model.
Do soils data using TCLP/Soil Partitioning Model indicate TAL exceedence?

NO


NO


YES

NO


YES

NO
Are PCBs the contaminant?
Corrective action necessary.
Can stormwater be collected in a reasonable timeframe?
Execute and meet protocols for exiting permit coverage
Corrective action necessary.

NO

YES



YES




Are metals with site-specific hardness data or adj. gross alpha< background report levels?
Compare data to background report May 2012.
Collect stormwater data and compare to TALs.
 
 

NO

YES







Are metals with site-specific hardness data or adj. gross alpha > background report levels?
Continue monitoring.
 
 
 

YES








Corrective action necessary.