This standard establis es the test method for determining the hearing acuity of the student upon entry into primary school (first grade) or secondary school (seventh grade), by the family doctor, pediatrician or others.
NC 20-30-2-1988 history
1988NC 20-30-2-1988 Medical Sciences. School Hygiene. Physical Examination to Students. Determination of Audity Acuity. Testing Method