If you still have nightmares about high school chemistry, this class is for you. Tailored for the environmental professional whose chemistry background is limited or non-existent, this one-day course provides a refresher in basic chemical concepts that are important to anyone whose job involves environmental or industrial hygiene regulations. Course material is presented in a plain-English, easy to understand format and attendees will be provided take-aways in the form of computational tools and on-line resources that can make their jobs easier.