2006 National Ambient Air Quality Standards (NAAQS) for Fine Particulate Matter (PM2.5): Designating Nonattainment Areas

Included in:
Partner(s): UNT Libraries Government Documents Department
Collection(s): Congressional Research Service Reports

131 Total Uses. / 5 in the last 31 days.

Item Usage by Month/Year

Year January February March April May June July August September October November December Total
2014 4 7 6 2 1 4 6 1 2 5 3 41
2013 14 7 9 7 4 4 5 17 5 4 3 7 86
2012 0 0 0 0 0 0 0 0 0 0 1 3 4

Recent Referral Breakdown for the last 31 days (10/20/2014 to 11/20/2014)

Referral Type Total Percentage Graph
Search Engine 4 80% Referrals
UNT Digital Library 1 20%
Referral Total Percentage
www.google.com 2 40%
https://www.google.com/
www.google.com.mx 1 20%
https://www.google.com.mx/
scholar.google.com 1 20%
http://scholar.google.com/search?q=particulate+matter+2.5+in+Cumberland+County+PA
digital.library.unt.edu 1 20%
http://digital.library.unt.edu/ark:/67531/metadc122190/