Standard Methods for the Examination of Water and Wastewater, 23rd Edition

Compendium of Methods for the Microbiological Examination of Foods

Fundamentals of Corporate Finance (4th Edition) (Berk, DeMarzo & Harford, The Corporate Finance Series)

Practice Exams: Wastewater Treatment Operator Certification

Chemistry for Environmental Engineering and Science--fifth edition-Tata McGraw-Hill Edition (The McGraw-Hill Series in Civil and Environmental Engineering)

Fundamentals of Industrial Hygiene 6th Edition (Fundamentals of Industrial Hygene)

Organic Chemistry (9th Edition)

Water and Wastewater Calculations Manual, Third Edition

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

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