div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Minnesota Pollution Control Agency Volunteer Surface Water Monitoring Guide Back Cover Author: Minnesota Pollution Control Agency: Patricia Engelking Paul Hoff and Gaylen Reetz src=https:reader031fdocumentsinreader031viewer20220215125afbf63e7f8b9a814d8b7fb9html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divpMinnesota Pollution Control Agencyp p520 Lafayette RoadSt Paul Minnesota 55155p p651 296-6300 toll-freeTDD 800 657-3864p pwwwpcastatemnusp div class=annotationa href=http:wwwpcastatemnus rel=ugc nofollow target=_blankhttp:wwwpcastatemnusadivdiv