Cart Continue shopping “Oil Monitoring Analyst (OMA®) Certification Exam Preparation” has been added to your cart. Product Price Quantity Total × Lubrication of Powerplant Equipment $0.00 Lubrication of Powerplant Equipment quantity $0.00 × Oil Monitoring Analyst (OMA®) Certification Exam Preparation $1,000.00 Oil Monitoring Analyst (OMA®) Certification Exam Preparation quantity $1,000.00 Code: Apply code Update cart Cart totals Subtotal $1,000.00 Total $1,000.00 Proceed to checkout Coupon codes are not eligible to be used for exam fees. A separate transaction is required.