Profile: Pine Environmental Services, Inc. is associated with renting, selling & repairing of air monitoring equipment, water sampling & monitoring instruments and sampling & safety supplies. Some of our air monitoring equipment include air velocity meters, mercury vapor meters, combustible gas indicators, sampling pumps, photoionization detectors and hand pumps. The Jerome 431-X mercury vapor analyzer uses a patented gold film sensor for the detection and measurement of toxic mercury vapor in the air. It is used in applications such as industrial hygiene monitoring, mercury spill clean up and mercury exclusion testing. The Jerome J405 mercury vapor monitor detects mercury levels as low as 0.5 µg/m3. It is a low-level portable monitor that uses a gold film sensor.