The Ohio Department of Natural Resources, Division of Oil & Gas Resources Management (DOGRM) is accepting bids for the purchase of lab consumables, calibration gases, calibration sensors and repairs. Industrial Scientific 6.5" X 3" X 13" Gas Cylinder Holder For M-CAL™ And CALPLUS™ Calibration Stations 5.00 Each; MX6 02 SENSOR 5.00 Each; MX6 SENSOR LEL 5.00 Each; MX6 SENSOR LEL 0-5% 5.00 Each; Li-ion Extended Range Battery 5.00 Each; Battery Pack For Ventis™ MX4 Portable Multi-Gas Monitor 10.00 Each; INDUSTRIAL SCIENTIFIC Battery Pack: Ventis MX4/Ventis Pro9, 5.00 Each; Battery Pack For Ventis™ MX4 Portable Multi-Gas Monitor 5.00 Each; Ventis MX4 Oxygen Sensor 10.00 Each; Ventis MX4 Hydrogen Sulphide Sensor 5.00 Each