Environmental Monitoring

The importance of environmental control was emphasized at the beginning of this chapter. Monitoring, alarming when out of range parameters are detected, especially temperature, and documenting that the systems are working properly is equally important. At a minimum, environmental monitoring includes monitoring and documenting animal room temperature, relative humidity, and lighting (sensing light or absence of light without regard to intensity). Relative air pressures monitoring in critical areas such as biocontainment is also important. Environmental monitoring, alarming, and documenting may be accomplished through the environmental control system or with a totally independent system with redundant probes and sensors and central processing unit. Both are acceptable; however, the redundancy offered by having separate control and monitoring systems is highly desirable.

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