Cart Continue shopping “Oil Monitoring Analyst (OMA®) Certification Exam Preparation” has been added to your cart. Product Price Quantity Total × Oil Monitoring Analyst (OMA®) Certification Exam Preparation $1,200.00 Oil Monitoring Analyst (OMA®) Certification Exam Preparation quantity $1,200.00 Code: Apply code Update cart Cart totals Subtotal $1,200.00 Total $1,200.00 Proceed to checkout Coupon codes are not eligible to be used for exam fees. A separate transaction is required.