www.ishn.com/articles/94749-ishns-28th-annual-white-paper-reader-survey

ISHN’s 28th annual White Paper Reader Survey
How was it conducted?
January 4, 2013
State of the EHS Nation-
ISHN’s 28th annual White Paper Reader Survey.
METHODOLOGY
7,677 active, qualified ISHN direct requesting subscribers were selected from these industries: manufacturing (50%), construction (20%), utilities (10%), chemical/refining processes (10%), oil & gas (all available records), and consulting (10%).
A web-based survey method was employed. Fielding dates: September 11-25, 2012. 229 usable returns give the survey a 3% response rate.
Click here to see all of the reports from the ISHN White Paper Reader Survey.