AIChE will undertake a routine upgrade of our digital infrastructure between 12AM to 6AM ET on Tuesday April 22. During this time access to all services that require login or payment will be unavailable.
Periodic test performed to detect dangerous hidden failures in a system so that, if necessary, a repair can restore the system to an “as good as new” condition, or as close as practical to this condition.
A PLC is a PE programmable controller (e.g, a PES device, a PE logic solver) that has its embedded software designed in such a way as to provide plant floor user oriented application programming languages, and industrial ESD and response capability similar to electro-mechanical technology. The PLC...
Abbreviation for programmable logic controller, microcomputer-based control device used to replace relay logic. A solid-state control system which receives inputs from user-supplied control devices such as switches and sensors, implements them in a precise pattern determined by instructions stored...
An ongoing commitment to managing risk, improving continuously, reacting to emerging trends, and Keeping current on evolving transportation risk analysis practices.
An implementation program level under the EPA RMP Rule. Applies to certain facilities perceived to have the potential for offsite consequences in the event of an accidental release. The accidental release prevention program for this program level contains the most rigorous and detailed requirements...
An implementation program level under the EPA RMP Rule. Applies to certain facilities perceived to have the potential for offsite consequences in the event of an accidental release. The accidental release prevention program requirements for this program level are less rigorous than the Program...
An implementation program level under the EPA RMP Rule. Applies to those facilities perceived to have a negligible potential for serious off-site consequences in the event of an accidental release. There are no requirements for an accidental release prevention program for this program level.
The management practice supporting a philosophy of service to customers and minimizing effects on health and the environment throughout the complete life cycle of a product.
