li>Ability to operate heavy (vehicular) construction equipment such as dump truck, bucket lift truck, trenchers, ventilating equipment, hydraulic equipment, hand and electric tools, jackhammer, sewer rodding machines, tapping machines, air compressor, pumps, signs and traffic signals, mowers, clippers, sandblasters, jet cleaners, motor grader, backhoe, chainsaw, shovel, two-way radio, computer. Collects liquid and/or semi-liquid samples; performs a variety of routine water quality laboratory tests; performs process control testing including, but not limited to dissolved oxygen, stability, microscopic evaluation, alkalinity, fluoride, hardness, specific conductance, turbidity, chlorine residual, pH, and carbon dioxide.