Wastewater Stabilization Lagoon: Intermittent Sand Filter Systems, Volume 1

0.2 ppm DDVP 12-v automobile battery alarm potential aluminum hydroxide anode applied current boat butyrylthiocholine iodide CAM-4 operates Cambion carbamate pesticides cell voltage chemical choline Cholinesterase Antagonist Monitor cholinesterase enzyme cholinesterase inhibitors constant current digital printer effluent electrochemical cell electrodes Electrolytic enzyme activity enzyme inhibitors field tests filter fresh enzyme pad HSChI hydrolyzed immobilized enzyme pad Industrial Environmental Research inhibited insecticides instrument inverter lake Mesurol Midwest Research Institute National Semiconductor Newark Newark Newark organophosphate and carbamate oxidation PESTICIDE SOLUTIONS platinum electrodes POWER SUPPLY BOARD present Printed Circuit Board Reset response of CAM-4 Semiconductor Specialists Semiconductor sensitivity of CAM-1 Specialists Semiconductor Specialists starch pad Substrate Pump substrate solution subtoxic levels Systox Teletron thiocholine iodide thiol three trials tion toxic triac Tris buffer U.S. Environmental Protection urethane foam Venz voltage change voltage increase voltage obtained water inlet line water monitoring water pump water sampled water supplies ΚΩ