ࡱ> WYV%` bjbjٕ ;F  8,Jl .X*.,.,.,.,.,.,.$a/h1P. !!!P. he.&&&! 8 *.&!*.&&),  * |Iq"v),{.0.)2"P2*2 * h& T P.P.7%f.!!!!   D       INTRODUCTION This SOP describes the procedure for tracking and managing the chemical inventory within the laboratories from acquisition through disposal. An effective inventory process minimizes excess stock, costs, and health and safety hazards. Safety The staff have a background in chemistry, received WHMIS, Chemical Handling, and Chemical Spills training. Has received on the job training relating to inventory and has read and understands this SOP. All staff must comply with McMaster University safety guidelines. The laboratories are inspected by the Science Buildings Health and Safety Committee. Related documents Laboratory Safety Guidelines, Department of Chemistry Laboratory Safety Handbook, Faculty of Science and Faculty of Engineering McMaster University Risk Management Manual definitions/abbreviations Definition/AbbreviationMeaning WHMIS ABB SOP MSDSWorkplace Hazardous Materials Information System Arthur Bourns Building Standard Operation Practice Material Safety Data Sheet  RESPONSIBILITY It is the responsibility of the laboratory coordinator to ensure the chemical database is accurate and current and to create a SOP which describes the inventory process from acquisition through receiving, identification, inventory, storage, distribution and disposal. It is the responsibility of the staff to carefully implement each step of the inventory process, from receipt to disposal. A breakdown in the process can negatively affect workplace safety. It is impossible for any one person to know the location of every chemical within a department. An accurate inventory will provide you and in the event of an emergency, Emergency Response Personnel with this information. procedure Chemical Acquisition: Smallest practical quantity shall be ordered to meet experimental requirements of experiments. Inventory for all lab space must be reviewed and updated annually and kept current through the year. Stock must be checked before placing an order The least hazardous chemical or chemical process should be investigated before ordering Storage requirements must be considered so that chemical stock doesnt exceed storage capacities or storage regulations Catalogue numbers and full chemical names (including numerical prefixes, concentrations, hydration numbers and grade) must be verified before ordering. Purchase requisitions must be accurately completed and kept for records. Receipt of a chemical: Chemicals must be carefully unpacked. Packing material should be removed when checking for small chemical containers which may be overlooked. MSDS supplied with shipment must be added to the MSDS library if not already included or should replace any MSDS older than 3 years on-line MSDSs are acceptable as long as the computer is publically available and connected to the internet at all times. The chemical name and catalogue number should be checked against both the packing slip and purchase requisition. Any chemical container which shows evidence of leaks, damaged caps or any other problem should not be accepted. It should be placed in a secondary container and stored in a fume hood. The supplier must be notified. The problem container should never be shipped back. It must be disposed of through EOHSS waste management service after dealing with the supplier. Special storage requirements as indicated on the label should be noted and implemented as soon as possible. Information about each container will be entered into the Inventory Database as soon as possible. Information regarding container size, manufacturer, supplier, date received, CAS number, MSDS check -list and storage location within the workplace must be included. Containers should have either the date or stock number added to the label. A safety carrier or lab cart must be used to transport received goods within the workplace. If possible keep received goods in original packing and use the bottom shelf of the lab cart. Removal of Container: Remove reference to container from the Inventory Data Bases. Do not remove reference from the order history. Empty containers must be cleaned and the label defaced before being disposed of. Reference the MSDS for specific chemical or speak with supervisor or qualified lab staff before attempting to remove or clean chemical residue from its container. Guidelines for common solvents, and chemical: Solvents: empty containers must be vented in a fume hood Acid and Bases: first rinse with water must be added to waster container then rinsed with copious amounts of water. Organic liquids and solids: rinse with acetone; acetone rinse should be poured into proper organic waste container then emptied rinsed container vented in a fume hood. Inorganic salts: rinse emptied container with water or dilute acid to dissolve salts; first rinse must be poured into appropriate waste container. Repeat this step until all traces of salt has been removed. Then rinse container with copious amount of water. Partially emptied containers, contaminated chemicals or expired chemicals should be disposed of through EOHSS. They must also be de-listed from the Inventory data base. references List references if any, otherwise put N/A. Originator: Job TitleDate (dd/mm/yy) Approved By: Job TitleDate (dd/mm/yy)     PAGE  Title: Chemical Inventory and ManagementSOP No.: Revision No.: 0  Approvers Initials: 1. 2. Page  PAGE 4 of  NUMPAGES 5 McMaster University Department of Chemistry STANDARD OPERATING PROCEDURETitle: Chemical Inventory and ManagementSOP No.: Revision No.: 0 Effective Date:  Approvers Initials: 1. 2. 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