If it is determined that there are one or more dominant industries within a wage area, the lead agency shall insure that the survey includes the industries and survey jobs related to the dominant industries. When the related industry within the local wage survey area fails to meet the criteria in Sec. 532.309 of this subpart, the lead agency shall obtain data related to the dominant industry from the survey area of the wage area which is determined to be the nearest similar area which will provide adequate data under the criteria in Sec. 532.309 of this subpart. [46 FR 21344, Apr. 10, 1981, as amended at 55 FR 46179, Nov. 1, 1990]