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  Title Copies
Critical Issues in Setting Regulatory Standards 
Basic Math Concepts: For Water and Wastewater Plant Operators (Mathematics for Water and Wastewater Treatment Plant Operations) 
Edition: 2 Sub 
Year: 1991 
ISBN: 0877628084 
ISBN 13: 9780877628088 
Applied Math for Water Plant Operators 
Edition: 2nd 
Year: 1991 
ISBN: 0877628742 
ISBN 13: 9780877628743 
Applied Math for Water Plant Operators - Workbook 
Edition: Workbook 
Year: 1991 
ISBN: 0877628750 
ISBN 13: 9780877628750 
The NIOSH Pocket Guide to Chemical Hazards 
Year: 2004 
Keller's Official OSHA Construction Safety Handbook (201 ORS9 (2nd ed) 
Edition: 2nd 
Year: 1999 
ISBN: 1877798398 
ISBN 13: 9781877798399 
Water Treatment Plant Operation (A Field Study Training Program, Volume 1, Sixth Edition) 
Edition: 6th Edition 
Year: 2016 
ISBN: 1593710402 
ISBN 13: 9781593710408 
Water Treatment Plant Operation: A Field Study Training Program 
Edition: 5th 
Year: 2016 
ISBN: 1593710364 
ISBN 13: 9781593710361 
Small Water System Operation and Maintenance 
Edition: 5th 
Year: 2016 
ISBN: 1593710410 
ISBN 13: 9781593710415 
Small Water System Operation and Maintenance (1 Book, 2 Posters and 1 Leaflet) 
Edition: 3rd 
Year: 1995 
ISBN: 1884701159 
ISBN 13: 9781884701153