| Item | | Total |
| Planning, Design, and Implementation for New and Upgraded Water Resource Recovery Facilities, 2nd edition MOP 28 3: Upgrading from Decentralized Facilities (1,292 words) | | $22.00 | |
| Wastewater Treatment Process Modeling Chapter 1: History of Process Modeling (6,200 words) | | $23.00 | |
| Planning, Design, and Implementation for New and Upgraded Water Resource Recovery Facilities, 2nd edition MOP 28 5: Project Delivery Systems (9,890 words) | | $22.00 | |
| Wastewater Biology: The Life Processes Chapter 2: Enzymes (1,244 words) | | $10.50 | |
| Factors Controlling Microplastic Concentrations and Polymer Profiles in Wastewater, Storm Water, and Surface Water (15 words) | | $11.50 | |
| Self Cleaning Disinfectants Sensor (28 words) | | $11.50 | |
| Wastewater Treatment Plant Design Handbook Chapter 5 - Biofilm Reactor Technology and Design (5,362 words) | | $7.00 | |
| Net total: $107.50 | |
| VAT: $0.00 | |
| Gross total: $107.50 | |
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