An investigation is under way into the presence of Legionella bacteria that forced Police Scotland to close its headquarters.
Tulliallan, the site which includes the Scottish Police College, was shut temporarily as water systems were investigated after the discovery of traces of the pathogen which can cause a pneumonia-type illness called Legionnaires’ disease.
STV News made a Freedom of Information request for assessments carried out on Tulliallan’s plumbing after showerheads at the campus were replaced and the systems flushed.
But Police Scotland said the documents requested were related to the ongoing investigation and the force would not release any information which could hinder or prejudice the inquiry.
There have been no confirmed cases of Legionnaires’ disease at the campus.
Previously, deputy chief constable Fiona Taylor said: “The site at Tulliallan is extensive, with complex and ageing pipework.”
A Police Scotland spokesperson said: “We are inspecting water systems across our estate as part of a wider health and safety review following the discovery in November of traces of Legionella bacteria at the Scottish Police College.
“The safety of safety of officers and staff, and those attending our buildings, is a key priority and it is important that we implement any learning as appropriate.”