TY - RPRT TI - A solenoid-actuated chemical-metering apparatus for use in flow-through toxicity tests AU - Jack H. Chandler AU - S.K. Partridge PY - 1975 DO - 10.1577/1548-8659(1975)37[93:ascafu]2.0.co;2 UR - https://pubs.usgs.gov/publication/1003384 ID - 1003384 ER -