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At the request of the A2LA Board of Directors, Teresa C. Adams, A2LA Operations Manager, conducted a study to determine the most common deficiencies cited during A2LA assessments. To accomplish this, data from 299 assessment reports, covering all fields and from 81 different assessors were collected and analyzed from March through September 2002. These assessments included solo assessor assignments, assessor team assignments as well as surveillance assignments. Deficiencies cited during each assessment were collected for ISO/IEC 17025, the A2LA Traceability Policy, the A2LA Advertising Policy, the A2LA Conditions for Accreditation, and the A2LA Requirements for Proficiency Testing Participation, all of which are applicable to all laboratories, across all fields. There was an indication that several sections of ISO/IEC 17025 pose a problem with regard to a basic understanding of the meaning or intent of the section. In other words, when findings were noted, they were typically noted for the entire section, not merely a specific clause or two within the section. These problem areas include: