The product is a study guide titled "Practice Exams" by Walter S. Cane, designed for intermediate level wastewater treatment operator certification. This trade paperback book includes practice exams for both Level 1 and Level 2 certification, with a publication year of 2025, 2nd Edition. The study guide covers essential topics related to wastewater treatment operator certification, making it a valuable resource for individuals seeking to advance their knowledge and skills in this field. With a compact size of 11 inches in length and 8.5 inches in width, this book is perfect for those looking to prepare for their certification exams in a convenient and comprehensive format.