Welcome to the fourth comic in the Boil's Laws comic strip series, which first ran here in 2010. This comic was created by chemical engineer Richard Byrnes and is devoted to the profession of chemical engineering. You can read more about his inspiration for the series in the first installment here.
Click here or on the comic below to see it full size.
Boil's Laws: Process Hazards Analysis (PHA)
What's your favorite story of a PHA gone overboard?
If you missed the earlier installments, see the entire series here.