More than 500 of the MoD's potentially hazardous sites across the UK have to carry out safety assessments under the 2002 Dangerous Substances and Explosive Atmospheres Regulations.
But according to a spreadsheet made available in the House of Commons, the assessments have not yet been done at Faslane and other Scottish military sites.
The information was released to the SNP's Westminster leader and defence spokesman, Angus Robertson MP, in response to a parliamentary question. "This latest revelation that facilities at Faslane have not been properly assessed for risk of explosions and fires is nothing short of shocking," he said.
A spokesman for the MoD said: "Work is ongoing across a number of MoD sites to complete these assessments."