1. DGS/SEE - 2011 Flammable Gas Safety – an update

2. DGS/SEE - 2011 New Chemical Safety Rules New SR-C, Chemical Agents. GSI-C1, Prevention and Protection Measures. GSI-C2, Explosive Atmospheres (replaces CERN Flammable Gas Code, G). GSI-C3, Monitoring of exposure to hazardous chemical agents in workplace atmospheres.

3. New SR-C Chemical Agents EDMS 940853 v.2 GSI-C1 Prevention and Protection Measures EDMS 1113405 v.1 GSI-C2 Explosive Atmospheres EDMS 1113408 v.1 GSI-C3 Monitoring of exposure to hazardous chemical agents in workplace atmospheres EDMS 1113409 v.1 GSI-C4 Asbestos TO PREPARE GSI-C5 Transport of Dangerous Goods TO PREPARE Safety Guideline C-0-0-2 Chemical Risk Assessment (Inhalation) EDMS 1028282 v. 3 Safety Guideline C-0-0-3 LEAD EDMS 1050102 v. 3 Safety Guideline C-1-0-2 Chemical Protection Gloves EDMS 1063216 v. 2 Safety Guideline C-0-0-1 Identification of Hazardous Chemical Agents EDMS 1050101 v. 2 Safety Guideline C-1-0-1 Storage of Hazardous Chemical Agents (HCA) EDMS 1028290 v. 2 Safety Form C-1-0-3 Test of safety showers/eye washes EDMS 1028830 v. 4 Safety Form C-0-0-1 Chemical Risk Assessment EDMS 1028824 v. 6 Safety Form C-1-0-4 Respirator Use EDMS 1028834 v. 5 Safety Form C-1-0-1 Notification of HCAs EDEMS 1093026 v. 3 Safety Form C-1-0-2 Chemical Inventory Safety Form C-1-0-5 Storage Plan Safety Form C-1-0-6 Maintenance of PPE Safety Form C-3-0-2 Exposure Form Safety Form C-2-0-1 Explosion Risk Assessment EDMS 1106970 v. 2 Safety Form C-2-0-2 Classification of hazardous Areas EDMS 1113456 v. 1 Safety Form C-0-0-2 Fiche/Notice de Poste Safety Guideline C-2-0-2 Identification & Prevention of Explosion Hazards EDMS 1106529 v. 1 Safety Guideline C-2-0-1 Explosion Protection Measures EDMS 1097065 v. 2 Safety Guideline C-2-0-3 Classification of Hazardous Areas Safety Guideline C-10-3 Ventilation Safety Guideline C-0-0-4 Beryllium, HF, Solvents Safety Guideline C-0-0-5 REACH March2010 Safety Form C-2-0-3 Declaration/Cancellation of the use of flammable gas in an experimental area EDMS 1134492 v. 2

4. DGS/SEE - 2011 Chemical Safety Guidelines Safety Guideline C-0-0-1, Identification of Hazardous Chemical Agents Safety Guideline C-0-0-2, Chemical Risk Assessment (Inhalation) Safety Guideline C-0-0-3, Lead Safety Guideline C-1-0-1, Storage of Hazardous Chemical Agents Safety Guideline C-1-0-2, Chemical Protective Gloves Safety Guideline C-2-0-1, Explosion Protection Measures Safety Guideline C-2-0-2, Identification & Prevention of Explosion

5. DGS/SEE - 2011 Chemical Safety Guidelines

6. DGS/SEE - 2011 Safety Guideline C-2-0-2

7. DGS/SEE - 2011 Chemical Safety Forms - Flammable Gas Safety Safety Form C-2-0-2 replaces Form F0 Safety Form C-2-0-3 replaces Form F3 Safety Form C-2-0-1 replaces Forms F1 and F2

8. DGS/SEE - 2011 CEDAR – use of hydrogen, next steps 1.Complete Safety Form C-2-0-1, Explosion Risk Assessment (referring to Guideline C-2-0-1) – FGSO, verified by HSE Unit. Complete Safety Form C-2-0-2, Classification of Hazardous Areas – FGSO. Request Fire Prevention Inspection from HSE Unit (F. Corsanego) of experimental area. 2.Request Electrical Inspection from HSE Unit (O. Tison) of experiment and equipment in Hazardous Areas 3.Complete Safety Form C-2-0-3, Declaration of the Use of Flammable Gas in an Experimental Area 4.Keep a copy of all assessments, inspection reports, training records etc. in the Safety File for the Experiment