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SNT-TC-1A is published every four years, the next release is scheduled in 2020. This will be followed by a scheduled release in 2024 and another in 2028, unless there are extenuating circumstances that warrants a new revision to be published sooner.
SNT-TC-1A is available for purchase through ShopASNT.
NDT certification programs are divided into two major types:
SNT-TC-1A is an Employer-based program, where employers develop, administer, and grade their own qualification examinations. In an employer-based system, a person’s certification is terminated when the individual leaves that company.
SNT-TC-1A is not a specification. It is a set of guidelines or recommendations to employers about how to establish and conduct an NDT or predictive maintenance (PdM) personnel qualification and certification program.
SNT-TC-1A has three requirements that must be met.
Once the employer has an approved written practice it is now a procedural requirement and shall be fully complied with. Depending on who the employer’s customer are, may require the written practice to be approved by the customer.
The SNT-TC-1A subcommittee is responsible for maintaining SNT-TC-1A under the direction and guidance of the Standards Development Committee (SDC). The subcommittee responsibilities include:
ASNT is at the beginning phase for the next edition of SNT-TC-1A, which will be released in 2024. ASNT is looking for volunteers to contribute to the 2024 edition as part of the SNT-TC-1A Sub-Committee. Anyone interested in becoming a contributor / member of the sub-committee to email firstname.lastname@example.org
Within the SNT-TC-1A committee, there is a dedicated group of volunteers that addresses interpretations. Whenever the ISC receives an interpretation request for SNT-TC-1A, ISC staff will review to determine if an interpretation has been previously submitted. If not, the information is logged and forwarded to the interpretation panel to review and recommend a course of action. That recommendation is then sent out to the SNT-TC-1A committee for vote and then the ISC will communicate the response to the originator of the interpretation. Depending on the outcome of the interpretation, it may be considered necessary to propose a change to SNT-TC-1A as a result of the interpretation. Below shows the flow chart of the SNT-TC-1A Interpretation Process.
SNT-TC-1A is revised and republished every four years. In between publishing cycles, ISC receives questions, comments, and proposed changes from the public. If you have any proposed changes, send those to the ISC for review by the committee (Standards@asnt.org). All the committee asks is the proposer includes rationale for making any proposed changes to the document. This will assist in expediting the proposal.