In honor of Labor Day this episode of Distillations looks at how chemistry has affected the work of a variety of professionals—for better or worse.

SHOW CLOCK

00:00 Opening Credits

00:31 Introduction

00:59 Chemical Agent: Polybenzimidazole

02:58 History Lesson: Origins of Occupational Health

06:01 Feature: The Chemistry of Welding

10:40 Closing Credits

CREDITS

Special thanks to Mia Lobel, Andy Mangravite and Jody Roberts for researching this show. Additional credits available at chemheritage.org/distillations.