Packed with useful information, this book is a must-read for anyone involved in oil analysis or lubrication.

As much as possible, the material in this book is based upon the referenced STLE "body of knowledge" for the OMA Level 1 Exam. This is the source of articles from which the exam questions are taken and referenced. This material has been expanded upon and interpreted by the authors into a usable form to serve as a general oil analysis reference guide and to assist in the preparation for the exam.