Skip to main content
University of Cambridge
Safety Office

Safety Office

  • Home
  • Contact us

Policies and guidance

  • Policies and guidance overview
  • HSD016M University Health & Safety Policy
  • Duties and responsibilities
  • Biological Safety

Workplace safety

  • Workplace safety overview
  • HSD001P Working Safely with Electricity
  • HSD005P Display Screen Equipment (DSE)
  • HSD012P Ladders and Access Equipment
  • HSD046P Pressure Equipment
  • HSD047P Lifting Equipment
  • HSD050P Control of Hand Arm Vibration at Work
  • HSD069P Manual Handling Risk Assessment Form and Guidance
  • HSD084P Noise at Work
  • HSD088P Provision and Use of Work Equipment Regulations (PUWER)
  • HSD097M Reducing respiratory communicable disease transmission in the workplace
  • HSD188P Uninterruptable Power Supplies (UPS)
  • HSD101P Electrical Safety, 12 Rules
  • HSD116P Working Safely with DSE - Desktop General Guidance
  • HSD149P Manual Handling
  • HSD152P Working Safely at Height
  • HSD161P Working Safely with DSE - Portable DSE
  • HSD174P Guidance for the use of Electrical Adaptors and Extensions
  • HSD194P Working Safely With Pressure Systems
  • HSD200P DSE Self Assessment Form
  • HSD203P Setting up a Home Workstation

Using equipment

  • Using equipment overview
  • HSD002C Hazardous Substances Policy
  • HSD009C Respiratory Protective Equipment (RPE) - Its Selection and Use
  • HSD011C Working with Man Made Mineral Fibres
  • HSD018C Disposal of Chemical and Laboratory Waste Policy
  • HSD019C Safe Chemical Practice
  • HSD021C List of Carcinogens, Mutagens and Substances Toxic to Reproduction
  • HSD026C Carcinogens, Mutagens and Reproductive Toxins
  • HSD029C Fume Cupboards, Guidance for Safe Use of Laboratory Ducted Fume Cupboards
  • HSD030C Hazardous Substance Risk Assessment Form
  • HSD032C Compressed Gas User Guidance
  • HSD033C COSHH Health Record Form
  • HSD034C Use of Latex Disposable Gloves
  • HSD037C Mercury: Guidance on Safe Use and Management of Contamination in University Departments
  • HSD041C Latex Initial Health Assessment Questionnaire
  • HSD042C Latex Annual Health Assessment Questionnaire
  • HSD051C Safe Storage of Hazardous Chemicals in Stockrooms Workshops and Laboratories
  • HSD059C Glove Selection Guidance
  • HSD060C Carbon Nanotubes and other Synthetic Insoluble Fibrous Nanoparticles
  • HSD067C Respiratory and Skin Sensitisers
  • HSD068C Chemical Spillage Guidance
  • HSD070C Laboratory Working with Chemicals: Lone Working Risk Assessment
  • HSD071C Eye Protection for Handling Chemicals
  • HSD073C Guidance on DSEAR
  • HSD080C DSEAR Risk Assessment Form
  • HSD085C Laboratories using Chemicals: Infrastructure Recommendations
  • HSD183C Formaldehyde
  • HSD185C Chemical Laboratory: Inspection Checklist
  • HSD103C Fume Cupboard Users, 12 Rules
  • HSD115C Local Exhaust Ventilation (LEV)
  • HSD120C Working with Wood
  • HSD121C Compressed Gases – A User’s Survival Guide!
  • HSD123C Ethidium Bromide User Guidance
  • HSD124C Handling of Peroxides and Peroxide-forming Chemicals
  • HSD131C A Guide to Hazardous Substance Risk Assessment
  • HSD147C Nanoparticles - Safety Guidance Notes
  • HSD168C Glove Selection, Guidance for Handling Chemicals
  • HSD176C Acid Piranha Solution: User Guidance
  • HSD177C Acetylene Gas: User Guidance
  • HSD178C Hydrofluoric Acid: User Guidance
  • HSD179C Cyanides: User Guidance
  • HSD180C Glutaraldehyde: User Guidance
  • HSD193C Soldering in Electronics

HSD053C Reduced Oxygen Atmospheres Resulting From the Use of Cryogens or Compressed Gases in the Work Place

  • HSD053C Reduced Oxygen Atmospheres Resulting From the Use of Cryogens or Compressed Gases in the Work Place overview
  • HSD053C Calculator

Chemical safety

  • Chemical safety overview
  • HSD006B Animal Allergy including that to Laboratory Animals
  • HSD027B Disposal of Biological/Clinical Laboratory Waste
  • HSD028B Safe Biological Practice (SBP) for Prevention and Control of Exposure to Biological Agents in the Laboratory
  • HSD057B How to Transport Biological Samples, Cultures and Other Scientific/Research-Related Items
  • HSD081B Water Safety
  • HSD090B Containment Level 3 Laboratory Policy
  • HSD090B Containment Level 3 Laboratory Policy
  • HSD090B Containment Level 3 Laboratory Policy
  • HSD090B Containment Level 3 Laboratory Policy
  • HSD090B Containment Level 3 Laboratory Policy
  • Policy and Guidance
  • HSD082B Water Safety Procedures including Written Scheme
  • HSD106B Biological Safety - The 'Numbers Game'
  • HSD111B Control of Substances Hazardous to Health (COSHH) - Biological Agents Hazard Groups
  • HSD164B Autoclaves: Validation and Monitoring
  • HSD165B Schedule 5 - Anti-Terrorism Crime and Security Act
  • HSD173B Waste Inactivation Validation
  • HSD175B Legionella Awareness, FAQs
  • HSD192B Safe Use of Sharps
  • HSD195B Cell (Tissue) Culture: ACDP Guidelines
  • HSD195B Cell (Tissue) Culture: ACDP Guidelines

Ionising radiation, optical and electromagnetic fields

  • Ionising radiation, optical and electromagnetic fields overview
  • HSD007R Management of Work with Ionising Radiations
  • HSD010R Working Safely with Unsealed Radioactive Sources
  • HSD013R Safe Use of Lasers
  • HSD014R Safe Use of Artificial Sources of Ultraviolet Radiation
  • HSD017R Working Safely with Radiation Generators
  • HSD025R Transport and Movement of Radioactive Materials
  • HSD035R Best Available Techniques for Radioactive Waste Disposal - a BAT Policy and Guidance for UoC Departments
  • HSD054R Laboratory standards for areas where radioactive substances are used or stored ...
  • HSD064R Artificial Optical Radiation Policy
  • HSD159R Decommissioning of Laboratories used for Work with Unsealed Radioactive Sources
  • HSD066R Working Safely with Sealed Radioactive Sources
  • HSD072R Electromagnetic Fields Safety Policy
  • HSD113R Working Safely with Artificial Sources of Ultraviolet Radiation
  • HSD114R Ultraviolet Radiation in Biological Applications
  • HSD146R Leak Testing of Sealed Sources
  • HSD158R Model Local Rules: Laboratory Work involving Radioactive Substances
  • HSD160R Tritium Wipe Tests
  • HSD166R Preparing for an Environment Agency Inspection
  • HSD167R Transport - Wipe Tests and Monitoring
  • HSD189R Naturally Occurring Radioactive Materials (NORM)
  • HSD191R Incineration of Waste at Addenbrooke's Hospital
  • HSD196R Radiation Work at Other Premises and Fieldwork
  • HSD197R Ionising Regulations 2017 Summary of Changes
  • HSD198R A List of References Used in Radiation Protection
  • HSD199R Laser Safety Resource List

Subjects

  • Communicable Diseases
  • Fire
  • Terms of Reference
  • Asbestos Training
  • CDM 2015
  • Construction Checklists
  • Frequently Asked Questions
  • Publications

Accidents and incidents

  • Accidents and incidents overview
  • Report an Accident/Incident
  • Overview of AssessNET (Reporting System)
  • Information on 'Involved/Injured' Person (IP)
  • Frequently Asked Questions
  • What is RIDDOR?
  • RIDDOR Reportable Categories
  • Investigating Accidents
  • Information on Data Handling
  • Publications/Training Material

Biologicals

  • Biologicals overview
  • Animal and Other Allergy
  • Animal By-Products
  • Arthropods
  • Biological Safety Audit
  • Biological Safety Officer (BSO)
  • CBA1 Notification
  • CL3 Policy
  • Dangerous Pathogens (Human - COSHH)
  • Defra
  • Import and Export
  • Laboratory Management
  • Liquid Nitrogen in Biological Labs
  • Polio
  • Policy and Guidance
  • Proteopathic seeds
  • Safe Use of Blood
  • SAPO (Animal Pathogens)
  • Schedule 5 (Pathogens and Toxins)
  • Storage
  • Tissue/Cell Culture
  • Training
  • Transplants
  • Transportation
  • Waste (Biological)
  • Zoonoses
  • Further Information

Biological Risk Assessment: Guidance & Templates

  • Biological Risk Assessment: Guidance & Templates overview
  • Guidance Notes for the Templates
  • Biological Risk Assessment Templates
  • CBA1 Notification

GM (GMO, GMM, GM Plants)

  • GM (GMO, GMM, GM Plants) overview
  • Legislation Summary, University Requirements and Guidance
  • GM Risk Assessment Proformas
  • Further Information on GM Regulations
  • Example Spreadsheet for Managing GM Projects

Chemicals

  • Chemicals overview
  • 3D Printers
  • Carcinogens, Mutagens and Reproductive Toxins
  • Chemical Hazard Risk Assessment
  • Chemical Inventory System
  • Chemical Inventory System - FAQ
  • CLP / GHS
  • Chemical Spillages
  • Chemical Weapons Convention (CWC)
  • COSHH
  • Dangerous Substances & Explosive Atmospheres
  • Desensitised Explosives and Explosives
  • Drugs
  • Explosives Precursors
  • Gas and Oxygen Depletion Calculator
  • Nanomaterials
  • Peroxides
  • Poisons
  • Policy & Guidance
  • Respiratory Protective Equipment
  • Safe Chemical Practice
  • Sensitisers
  • Storage
  • Waste
  • Further Information

First aid

  • First aid overview
  • Arrangements for First Aid
  • First Aid Handbook
  • List of University First Aiders
  • AEDs
  • Chemical exposure first aid
  • Role of the First Aider
  • Procedure for calling a First Aider
  • How to become a First Aider
  • Events and Courses
  • Further Information

Human Tissue Act

  • Human Tissue Act overview
  • HTA Committee Minutes
  • Quality Manual
  • Licence Holder Charts
  • Frequently Asked Questions

Radiation

  • Radiation overview

Ionising Radiation

  • Ionising Radiation overview
  • Forms
  • Policy and Guidance
  • Training
  • Update Memos
  • Further Information

Non-Ionising Radiation

  • Non-Ionising Radiation overview
  • Optical Radiation Regulations
  • Ultraviolet Radiation
  • Broad-band Optical
  • Electromagnetic Fields
  • Further Information

Lasers

  • Lasers overview
  • List of Departmental Laser Safety Officers

Workplace

  • Workplace overview
  • Checklists
  • Compressed Gases
  • Display Screen Equipment
  • Guidance on Managing Visitors and Contractors to Departments and Faculties
  • Electrical Safety
  • Working Safely at Height
  • Goods-In and Stores Areas
  • Manual Handling
  • Noise
  • Pressure Equipment
  • Vibration
  • Work Equipment and Machinery
  • Publications

Risk assessment

  • Risk assessment overview
  • Biological Risk Assessment
  • Travel for Work
  • Stress at Work Policy
  • Publications

Technical Services

  • Technical Services overview

Electrical Appliance Testing

  • Electrical Appliance Testing overview
  • Electrical Appliance Testing FAQ

Environment & Equipment Monitoring

  • Environment & Equipment Monitoring overview
  • Mercury Vapour Monitoring

Hand Arm Vibration Syndrome (HAVS) Monitoring

  • Hand Arm Vibration Syndrome (HAVS) Monitoring overview
  • HAVS - FAQs

Noise Level Monitoring

  • Noise Level Monitoring overview
  • Noise - FAQs

Face Fit Testing

  • Face Fit Testing overview
  • Quantitative Face Fit Testing
  • Face Fit Testing - FAQs
  • Face Fit Tester Training

Training

  • Training overview
  • Course Programme
  • Calendar
  • Information for ...
  • Online Learning Centre
  • DSO Update Presentations

Postgraduate Safety Training

  • Postgraduate Safety Training overview
  • Departments and Institutions
  • Allied Institutions
  • Attendance Records
  • Excusals Policy
  • Students
  • Choosing sessions

Postgraduate Training

  • Postgraduate Training overview
  • Past Presentations

Audits

  • Audits overview
  • Preparing for Audit
  • Guidance for completing a successful health and safety audit
  • Audit Question Sets
  • Self Assessment Tool
  • Further Information

Latest information

  • Peregrine Foresight Travel
  • Accidents and Incidents
  • Biological
  • Bulletins
  • Communicable Diseases (Inc Coronavirus - COVID-19)
  • Other Safety Related Topics
  • Communicable Diseases and Covid-19 Related Documents
  • SafeSpace Inspection Question Set
  • Frequency Asked Questions

General Safety Updates

  • General Safety Updates overview
  • University pressure vessels and lifting equipment statutory inspections

Safety Management Hub

  • Safety Management Hub overview
  • How will I benefit from better Safety Management
  • I am a Head of Department
  • Cardinus Healthy Working DSE Software
  • I am a DSO
  • I work, study or research at the University

How will I benefit from better Safety Management?

  • How will I benefit from better Safety Management? overview
  • I define compliance or safety strategy

Other health and safety

  • Other health and safety overview
  • DSE (Test)
  • Migration: Safety Office website pages are moving to our SharePoint site, Safety Hub
  • Colleges
  • Cycle Safety and Security
  • Travel Safety
  • Food Safety

Committee minutes

  • Committee minutes overview
  • Michaelmas 2023
  • Easter 2023
  • Health and Safety Committee Minutes
  • Lent 2023
  • Michaelmas 2022
  • Easter 2022
  • Lent 2022
  • Michaelmas 2021
  • Easter 2021
  • Lent 2021
  • Michaelmas 2020
  • Easter 2020
  • Lent 2020
  • Michaelmas 2019
  • Easter 2019
  • Lent 2019
  • Michaelmas 2018
  • Easter 2018
  • Lent 2018
  • Michaelmas 2017
  • Easter 2017
  • Lent 2017
  • Michaelmas 2016
  • Easter 2016
  • Lent 2016
  • Michaelmas 2015
  • Easter 2015
  • Lent 2015
  • Michaelmas 2014

Safety Appointments and Payments

  • Safety Appointments and Payments overview
  • Background Information

Events

  • Events overview
  • Safety Office Calendar
  • Home
  • Policies and guidance

    Policies and guidance

    Policies and guidance overview
    • HSD016M University Health & Safety Policy
    • Duties and responsibilities
    • Workplace safety
    • Using equipment
    • Biological Safety
    • Chemical safety
    • Ionising radiation, optical and electromagnetic fields
  • Subjects

    Subjects

    • Accidents and incidents
    • Biologicals
    • Communicable Diseases
    • Chemicals
    • Fire
    • First aid
    • Human Tissue Act
    • Radiation
    • Workplace
    • Terms of Reference
    • Asbestos Training
    • CDM 2015
    • Construction Checklists
    • Frequently Asked Questions
    • Publications
  • Risk assessment

    Risk assessment

    Risk assessment overview
    • Biological Risk Assessment
    • Travel for Work
    • Stress at Work Policy
    • Publications
  • Technical Services

    Technical Services

    Technical Services overview
    • Electrical Appliance Testing
    • Environment & Equipment Monitoring
    • Face Fit Testing
  • Training

    Training

    Training overview
    • Course Programme
    • Calendar
    • Postgraduate Safety Training
    • Information for ...
    • Online Learning Centre
    • DSO Update Presentations
  • Audits

    Audits

    Audits overview
    • Preparing for Audit
    • Guidance for completing a successful health and safety audit
    • Audit Question Sets
    • Self Assessment Tool
    • Further Information
  • Latest information

    Latest information

    • General Safety Updates
    • Peregrine Foresight Travel
    • Safety Management Hub
    • Accidents and Incidents
    • Biological
    • Bulletins
    • Communicable Diseases (Inc Coronavirus - COVID-19)
    • Other Safety Related Topics
    • Communicable Diseases and Covid-19 Related Documents
    • SafeSpace Inspection Question Set
    • Frequency Asked Questions
  • Other health and safety

    Other health and safety

    Other health and safety overview
    • DSE (Test)
    • Migration: Safety Office website pages are moving to our SharePoint site, Safety Hub
    • Colleges
    • Committee minutes
    • Cycle Safety and Security
    • Travel Safety
    • Food Safety
    • Safety Appointments and Payments
  • Events

    Events

    Events overview
    • Safety Office Calendar
  • Contact us
    • Home
    • Policies and guidance
    • Subjects
    • Risk assessment
    • Technical Services
    • Training
    • Audits
    • Latest information
    • Other health and safety
    • Events
    • Contact us

HSD119M Checking the Fit of your Face Mask

This publication was previously numbered HSD119E

HSD119M Checking the Fit of your Face Mask (rev 4)

Safety Office

Contact Information

Greenwich House Madingley Road CB3 0TX
safety@admin.cam.ac.uk
01223 333301

University of Cambridge

Logo © 2025 University of Cambridge
Privacy policy Accessibility Freedom of information Modern slavery Terms and conditions