MAST Safe Work Procedure Division: Analysis By: Department: Supervisor: Job Title: Approved By: Job Title: 77 Chemical Mixing and Handling Date: Frequency: JSA Number: Job Performed By: REQUIRED PERSONAL PROTECTIVE EQUIPMENT: Goggles, rubber gloves, mask-ventilator to cover nose-mouth area, water resistant apron or protective clothing GENERAL NOTES: The following should be available: eye wash station, adequate ventilation, washing facilities JOB SAFETY ANALYSIS: Step Description Hazard Controls 1 Prepare the area to be used for mixing the chemicals. Contamination Clean the area and utensils used for mixing. 2 Consult WHMIS guidelines and recommendations for personal protective equipment with regard to the particular chemical or chemical compound being mixed. Inhalation Proper ventilation 3 Skin irritation or burns Wear gloves and water resistant apron or clothing 4 Eye irritation or burns Wear goggles. Easy access to eye wash station. Fumes and chemical dust Proper ventilation Inhalation Wear mask or ventilator. Work in well-ventilated area. Clean spills immediately to reduce powder residues. 7 Splashing Wear rubber gloves and water-resistant apron/clothing. 8 Spills Follow WHMIS specifications for the chemicals being mixed. 5 6 Adhere to WHMIS specifications particular to the chemical(s) being mixed. Page 1 of 2 Print Date: Jan/25/2008 9 Skin irritation and chemical burns Flush area immediately with plenty of running water. Consult a physician. 10 Eye irritation and burns Flush eyes with running water for 15 minutes. Consult a physician. 11 Contamination of chemicals being mixed Clean area completely prior to and after mixing. Use clean, uncontaminated instruments for mixing. Clean up according to WHMIS specifications. Contamination Store in clean containers according to WHMIS specifications. 13 Spills Follow WHMIS specifications for clean-up. Store chemicals in storage containers as recommended by WHMIS information. 14 Leaks, pollution Follow WHMIS specifications for clean-up and prevention. 15 Improper identification of mixed chemicals Label containers clearly and apply approved chemical identification safety labels. Inhalation of dried chemical residue Wash area down with plenty of clean water. Residual waste (rubber gloves, towels, packaging) Dispose of according to WHMIS specifications. Ingestion of chemicals Wash hands with soap under plenty of running water. 12 16 Store chemicals properly Clean area and dispose of any waste or chemical residue. 17 18 Wash up AUTHORIZED EMPLOYEE INFORMATION: ID NUMBER: LAST NAME: FIRST NAME: REMARKS: JOB HISTORY INFORMATION: DATE: REMARKS: Approval Signature: Date: Page 2 of 2 Print Date: Jan/25/2008