Heat Index Reading & Communication Process

• Emergency Services will take the readings of the ambient temperature and humidity to calculate the Heat Index

• Every morning at 6:00 am, the first heat index reading and the highest predicted reading throughout the day will be communicated to our site employees via E-mail

• Readings will be taken every two hours & displayed in Catalyst Portal

• E-mails to be sent out if reading reach extreme level

• IHEC will send an email once a week for weekly heat index forecast

• Compliance & area monitoring to be done by each envelop. Heat index reading to be taken by the permit issuer.