A collection of past exam questions for the National Pollution Control Manager and other national examinations, fully compatible with the 2024 exams. - Title: National Pollution Control Manager National Examination: Correct Answers and Hints - Author: Water Quality, Types 1-4 - Corresponding Years: 2019-2023 - Exam Compatibility: Fully compatible with the 2024 exams - Contents: Includes 5 years of past exam questions Almost unused. Retail price is 5500 yen. I believe there is no writing inside. (I looked through it, but there might be a slight oversight.) Although it's hardly been used, please understand that it has been stored at home for about a year.