Cart “IDAHO DWT3 Drinking Water Treatment Operator Class Certification Exam” has been added to your cart. Continue shopping Remove item Thumbnail image Product Price Quantity Subtotal IDAHO GEMP Genetic Counselor Provisional License Certification Exam $124.00 IDAHO GEMP Genetic Counselor Provisional License Certification Exam quantity $124.00 IDAHO HA Hearing Aid Dealer and Fitter Certification Exam $124.00 IDAHO HA Hearing Aid Dealer and Fitter Certification Exam quantity $124.00 IDAHO DWT3 Drinking Water Treatment Operator Class Certification Exam $124.00 IDAHO DWT3 Drinking Water Treatment Operator Class Certification Exam quantity $124.00 Coupon: Apply coupon Update cart Cart totals Subtotal $372.00 Total $372.00 Proceed to checkout