TY - RPRT TI - Guidelines and standard procedures for continuous water-quality monitors: Site selection, field operation, calibration, record computation, and reporting AU - Richard J. Wagner AU - Harold C. Mattraw AU - George F. Ritz AU - Brett A. Smith PY - 2000 DO - 10.3133/wri004252 UR - https://pubs.usgs.gov/publication/wri004252 ID - wri004252 ER -