Standard Operating Procedure Template s3

Cesium

According to the Safety Data Sheet (SDS) special precautions must be taken when working with the chemical described above. The following information includes the chemical characteristics of followed by recommendations for handling and any paperwork needed in order to use the chemical in the laboratory. This Standard Operating Procedure will be followed along with the requirements of the Chemical Hygiene Plan.

GHS Classifications: Signal Words: Danger

Pictograms:

Additional Classification: Flammable, Corrosive, Water-Reactive

Brief description of proposed chemical work: The cesium will be placed in a sealed crucible and heating to liquidify the metal. Lanthanide metal will slowly dissolve into this liquid cesium. The sodium will be allowed to cooled and solidify back to sodium metal. The metal will be neutralized with isopropanol and this solution will be measured using ICP. For more information refer to the Solubility Experiment Procedure. **Attach additional pages as needed**

Section 1: Brief Safety Overview: ● The Principal Investigator is responsible for training employees using the material on site. The training should include a discussion of the known and potential hazards; an explanation of the relevant policies, techniques and procedures including the proper use of personal protective equipment, emergency/spill procedures and containment equipment (engineering controls). ● Limit access to authorized users. ● Minimize the possibility of inadvertent ingestion, inhalation and direct skin or eye contact with the substance. ● Chemical has been entered in the Chemical Inventory (EHS Assistant) ● Require annual training.

Section 2: Research Laboratory Procedures  Handling Instructions Created: January 2012 Revised: November 2014 Page 1 Example: (Preparation of the stock solutions): From the manufacturer the cesium metal in an argon sealed container will be put within the argon filled glovebox. The container will then be opened within the glovebox and stored. When finished with testing the cesium will be neutralized with soda ash (sodium carbonate). Never allow water to be in proximity with the cesium.

 Storage: The metal will be stored within the glovebox located within W465.

Location – Engineering controls Ventilation (example: Fume Hood, Canopy Hoods, etc): Glovebox ventilation to building exhaust. Designated area (specify): Within the glovebox in W465 Bio-Safety Cabinet

PPE required: Skin/Body Protection (example: Lab Coat) Lab Coat Eye protection Face shield Respirator (example: N95): Hand protection (example: Nitrile gloves): Nitrile gloves

 Cleanup/Decontamination procedures for work area after use: For spills the material should be swept up and placed within a metal container. This spill should then be put in an EHS certified disposal container.

 Disposal Procedures Neutralize with isopropanol and then dispose the solution in EHS container.

Section 3: Occupational Exposures  Routes of Exposure Skin – Very Hazardous in case of eye and skin contact Inhalation – Slightly hazardous in case of inhalation. Ingestion- Slightly hazardous in case of inhalation. Injection- N/A  Toxicological Effects Acute Effects/ Precautionary Safety Measures: May be hazardous if inhaled, absorbed through skin or ingested.

Created: January 2012 Revised: November 2014 Page 2 Chronic Effects/ Precautionary Safety Measures: Readily reacts with moisture to form causitic and highly corrosive cesium hydroxide. These corrosive materials can destroy respiratory tract, eyes, skin, and digestive tract. To avoid effects wear appropriate PPE.

 Occupational Exposure Response and First Aid Measures Skin: Remove contaminated clothes and brush off solids. Seek immediate medical attention. Eyes: Immediate flush eyes for 10-15 minutes. Seek immediate medical attention Inhalation: Remove victim to fresh air. Seek immediate medical attention. Ingestion: Quickly wipe mouth and do not induce vomiting. Seek immediate medical attention.

 Emergency Procedure for Chemical Spills and Accidental Releases

NEVER USE WATER AROUND CESIUM

If cesium fire occurs (from reaction with water) the following should be done : 1. Contain Area and Evacuate 2. Soda Ash (Sodium Carbonate) should be used to completely smother and cover any small spill. 3. Sweep/Scoop up (even if on fire) using a shovel 4. Place the material in a dry metal container equipped with a lid 5. Replace the lid to choke off the oxygen causing the fire to go out. 6. EHS should then be contacted to bring proper disposal containers.

This Standard Operating Procedure must be placed in the Chemical Hygiene Plan and the SDS must be accessible. Also, all laboratory personnel must be familiar with safe handling practices (i.e., training with documentation of training) when working with these chemicals. This must be incorporated into the comprehensive chemical hygiene plan of the laboratory. If you have any questions regarding a comprehensive mandatory laboratory chemical hygiene plan please contact your Representative at Environmental Health and Safety (292-1284).For any other questions or concerns, please contact:

PI contact information Name: Jinsuo Zhang Primary Contact Number: 614 292 5405 Emergency Contact Number: 505 695 9675

P.I. Signature ______

Created: January 2012 Revised: November 2014 Page 3