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Statistical Inventory Reconciliation (SIR)

How does the leak detection method work?

For statistical inventory reconciliation (SIR), a trained professional uses sophisticated computer software to conduct a statistical analysis of inventory, delivery, and dispensing data, which you must both collect and supply to the vendor on a regular basis.

The features of SIR are:

What are the regulatory requirements?

Will it work at your site?

Anything else you should consider?

Will you be in compliance?

Statistical inventory reconciliation, when performed according to the vendor's specifications, meets federal leak detection requirements for new and existing USTs as follows:

Additional Information on SIR

OUST has two publications that more fully explain SIR:

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