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The documents linked to this page all relate to the assessment of sites where leaking
underground storage tanks (LUST) are or have been located. The process of assessment
uses risk-based corrective action (RBCA). The objective of RBCA is to evaluate the
risks posed by contamination to human health, safety and the environment using a
progressively more site-specific, three-tiered approach. All proposed corrective
actions must be submitted and supervised by a certified groundwater professional.
The following forms are in pdf file format. You will need the Adobe Acrobat Reader installed on
your computer to view the documents. Click on the icon at the bottom of the
page to download Acrobat Reader. If you cannot download the reader, you can
receive copies of these documents by sending your request along with your name,
address and telephone number to Paul Nelson, Department of Natural Resources,
Wallace Building, 502 E. 9th. Street, Des Moines, IA 50319. You may also request
documents by e-mail by sending the information to paul.nelson@dnr.state.ia.us.
Forms and guidance:
Tier 1 | Tier 2 |
Tier 3 |
Site Monitoring Report (SMR)
| Corrective Action Design Report (CADR)
Software Program:
Version
2.51 RBCA Software is an update to all previous versions of Tier 2 / SMR software
For updates to the guidance, see also
Tank Memos and the
Groundwater Professional Bulletin Board.
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