Cart Continue shopping “Oil Monitoring Analyst (OMA®) Certification Exam Preparation” has been added to your cart. Remove item Thumbnail image Product Price Quantity Subtotal × Oil Monitoring Analyst (OMA®) Certification Exam Preparation $1,500.00 Oil Monitoring Analyst (OMA®) Certification Exam Preparation quantity $1,500.00 Coupon: Apply coupon Update cart Cart totals Subtotal $1,500.00 Total $1,500.00 Proceed to checkout Coupon codes are not eligible to be used for exam fees. A separate transaction is required.