TY - RPRT TI - Importance of analytically verifying chemical treatments AU - J.J. Rach AU - M.P. Gaikowski AU - J.J. Olson PY - 1997 DO - 10.1577/1548-8640(1997)059%3c0222:ioavct%3e2.3.co;2 UR - https://pubs.usgs.gov/publication/70019771 ID - 70019771 ER -