Regulatory and Safety Issues to Consider During Heat Treatments Gary Thompson
Issues • Heat exposure • Chemical exposure
Typical Scenario • 120-130+ F • 24-30 hours • Periodic visual observations
Heat Exposure • Heat rash • Heat syncope • Heat cramps • Heat exhaustion • Heat stroke
Know Signs and Symptoms • Heat rash - prickly heat - hot humid environments • Heat syncope - fainting • Heat cramps - tired muscles
Serious • Heat exhaustion - fluid loss • Sweaty, fatigued, weak, experience vertigo, nausea, or headache. Skin clammy and body temperature normal or slightly elevated.
Life Threatening • Heat Stroke - heat regulation system shuts down. • Hot dry skin, rapid pulse, no sweat, low blood pressure.
Safety Issues • Heat Induced Accidents • Impaired grip strength due to sweat. • Dizziness • Safety glasses fogging • Burns from hot surfaces
Worker Protection • Safety Hierarchy of Control • Eliminate the hazard • Implement administrative controls • Personal Protective Equipment
Hazard Elimination • Infrequently observed and expensive to implement • Thermocouple remote temperature reading devices. • Accurate, dependable temp. thermostats and regulating devices. • Preventive maintenance
Administrative Controls • Limited exposure to the hot environment • Rotation of workers • Cool areas • Buddy system • Water and electrolyte availability
Personal Protective Equipment • Insulated gloves • Thermal protective vests
Medical • Worker observation • Worker training and awareness • Employer awareness
Chemical Exposure • Volatiles • Solvents • Pesticides