Article 501 through 503 form a trilogy. Art. 505 provides an alternative to Art. 501; Art. 506 provides an alternative to Art. 502 and 503. Between these two sets is Art. 504. It’s sandwiched there ...

If you’re responsible for overseeing operations in high-risk industries like oil and gas, mining, or chemical manufacturing, you know the threat of accidents in explosive atmospheres is ever-present.

As you develop your safety plan for a hazardous production environment, you might want to move beyond the explosion-proof methods that have been popular for so many years in the U.S., and start ...