Renfrewshire Council declined to comment on the nature of the content being browsed by the staff, but it has emerged that another three have been demoted, and two have received written warnings.
A council spokesman said: "Like many organisations, the council has a clear policy on the use of internet and e-mail which states that access can be monitored to ensure appropriate use.
"If breaches of that policy are identified, disciplinary procedures can be taken forward."
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