US Olympic Trials:
Qualifying Window: May 1, 2011 - June 17, 2012
1500m standards: A=3:39.00 B=3:43.00; or Mile=3:54.00 (window for Mile: January 1, 2012 - June 17, 2012)
http://www.usatf.org/events/2012/OlympicTrials-TF/entry/qualifyingStandards.asp
Olympic Games:
Qualifying Window: May 1, 2011 - July 1, 2012
1500m standards: A=3:35.50 B=3:38.00
As of today, Webb has not achieved any OT or OG qualifying standard.