Specifications include, but are not limited to: 1)ChemPro 100i Chemical Agent Detector w/Standard Accessory Kit or similar Chemical Agent Detector units with like accessory kits. Should include test tube, power supply/cord, carry pouch, filter set, alkaline battery pack, QR Guide, Manual, storage cap, field monitoring cap, hi viz orange boot all in hard carry case. Detectors should have the following characteristics: Detectors should utilize open loop ion mobility spectrometry technology. Detectors should be capable of detecting VX and sarin (GB) nerve and sulfur mustard (HD) blistering chemical warfare agents. Detectors should be able to identify agent class between at least nerve, blister and blood chemical warfare agent classes. Detectors should indicate relative concentration and monitor whether concentration is increasing or decreasing. Detectors should be easily handheld. Detectors should be operational via a rechargeable battery pack and be operational with alkaline batteries. Detectors should have a visual display. Detectors should have auditory alarms.