Abstract: The present disclosure provides a system for detection and measuring of a radioactive gas within a target environment. In certain embodiments, the system comprises a data processing system and a monitoring device disposed within the target environment. In some forms the monitoring device comprises: a radiation sensor configured to detect the concentration of a radioactive gas in the target environment, a transmitter electrically coupled to the radiation sensor and configured for transmitting a signal to the data processing system, and a receiver for receiving signals from the data processing system, wherein the monitoring device is configured to detect the concentration of the radioactive gas at least every twenty minutes.

Abstract: In certain aspects, the present disclosure provides unique devices and methods for detecting mold spores in a target environment. In accordance with some forms of the disclosure, such devices are configured to provide tamper resistant spore trap cassettes.

Abstract: In certain aspects, the present disclosure provides unique devices and methods for detecting mold spores in a target environment. In accordance with some forms of the disclosure, such devices are configured to automatically calibrate and dynamically adjust the airflow rate through the device in response to one or more sensors.

Abstract: The present disclosure provides a system for detection and measuring of a radioactive gas within a target environment. In certain embodiments, the system comprises a data processing system and a monitoring device disposed within the target environment. In some forms the monitoring device comprises: a radiation sensor configured to detect the concentration of a radioactive gas in the target environment, a transmitter electrically coupled to the radiation sensor and configured for transmitting a signal to the data processing system, and a receiver for receiving signals from the data processing system, wherein the monitoring device is configured to detect the concentration of the radioactive gas at least every twenty minutes.