1 PETRO RIVER OIL CORP. 2  Files SEC form 8-K, Change in Directors or Principal Officers, Regulation FD Disclosure, Financ. 3  PETRO RIVER OIL CORP. 4  Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits. 5  PETRO RIVER OIL CORP.
There has been a change in the requirements for OPOTA Certified Instructors on the. number of hours of instructor training that must be received to become certified. A new. OPOTA Certified Instructor Training officer must have 80 hours of instructor training to. be eligible to receive instructor certification.
Open water scuba instructor (OWSI) is the entry level. Many dive centers are going to want you to be able to teach specialities and to have the master scuba diver trainer (MSDT) level of certification.pen water scuba instructor (OWSI) is the entry level. Many dive centers are going to want you to be able to teach specialities and to have the master scuba diver trainer (MSDT) level of certification.