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The Wastewater Operator's Guide to Preparing for the Certification Examination

by Water Environment Federation, Association of Boards of Certification, C2ep
ISBN-13: 9781572783331
ISBN-10: 1572783338
Publication date: 2016
Publisher: Water Environment Federation
Format: Paperback 154 pages

Standard Methods for the Examination of Water and Wastewater, 22nd Edition

by E.W. Rice^R.B. Baird^A.D. Eaton^L.S. Clesceri, editors
ISBN-13: 9780875530130
ISBN-10: 0875530133
Edition: 22
Publication date: 2012
Publisher: American Water Works Association
Format: Hardcover 1496 pages