Narrative of Changes for 1670-0015

Narrative of Changes

Collection Title: Chemical Facility Anti-Terrorism Standards (CFATS) Chemical-

terrorism Vulnerability Information (CVI)

OMB Control No.: 1670-0015

Current Expiration Date: 03/31/2013

Collection Instrument(s):

1. CVI Authorization

2. Determination of CVI

3. Determination of a “Need to Know” by a Public Official

4. Disclosure of CVI

5. Notification of Emergency or Exigent Circumstances

6. CVI Tracking Log

The following listed below are changes to the collection:

• Updated section about the history of the collection

• Added section about why the extension was necessary

• Updated the burden estimate based upon historical data since the approval of the collection in March of 2010 which decreased the burden from 35,386 total annual hours with $2,972,382 total annualized cost to 28,800 total annual hours with $5,484,650 total annualized cost

• Improved titles to some of the Instruments. There was no change in the scope of the Instruments.