In house Rules:

  • IEQS GROUP examination centers will provide all necessary NDT equipments for use in examination.
  • All necessary reference standards will be provided by the examination centers. Candidates must not be in possession of any reference documentation, other than that provided by the examiner, during the examination.
  • The use of a non-audible pocket calculator is permissible in examinations provided that it is of a type that does not permanently store programs, formulae or data relevant to NDT.
  • Translation dictionaries other than electronic type are permitted to use during examinations.

Vision Requirements:

Candidates for SNT-TC-1A scheme examinations will be required, on the day of the examination, to provide proof of a satisfactory vision test conducted within the 12 months preceding the examination.

The requirements for color perception and acuity of vision, together with the qualifications of those administering the vision tests, are fully defined in SNT-TC-1A document.

  • The requirements are reproduced below for ease of information Near vision acuity shall permit reading a minimum of Jaeger number 1 or Times Roman N4.5 letters at not less than 30 cm with one or both eyes, either corrected or uncorrected;
  • Color vision shall be sufficient that the candidate can distinguish and differentiate contrast between the colors used in the Shades of gray or Ishihara chart.


Subsequent to certification, the documented tests of visual acuity should be carried out at least every twelve months.

NDT Levels I, II, III


Following are the minimum requirements for an individual to acquire a NDT Level II Certification in a specific method as per SNT-TC-1A, 2016 all requirements have to be met.

  • Education – High school or Equivalent
  • Organized NDT Training Program with required hours. The training program to include sufficient examinations to ensure understanding of necessary information (Section 7.0 of SNT-TC-1A)
  • Experience as per SNT-TC-1A – to be verified by Employer.
  • Eye Examinations (near vision and color contrast) performed annually (see Section 8.2 of SNT-TC-1A).
  • Examinations conducted as per employer’s written practice – General, Specific and Practical with minimum number of questions. (see Section 8.0 of SNT-TC-1A)

Table 1. Training and Experience Requirements to be a NDT Level II as per SNT-TC-1A 2016. Example – To be a MT Level II, an individual must have 20 hours of class room training, 280 hours of MT experience and 530 hours of total NDT experience

Training 12 Hours 20 Hours 24 Hours 80 Hours
Experience Method 210 Hours 280 Hours 210 Hours 840 Hours
Experience Total NDT 400 Hours 530 Hours 400 Hours 1600 Hours

NOTE: Certification of all levels of NDT is the responsibility of the employer (9.1 of SNT-TC-1A)


Level I: Qualified to perform specific calibrations, specific NDT, specific evaluations, and record results. Should receive specific instruction or supervision from a NDT Level II or III.

Level II: Qualified to set up and calibrate equipment and interpret and evaluate results as per applicable codes, standards and specifications. Should be familiar with technique limitations. Organize and report the results. Should exercise assigned responsibility for on-the-job training and guidance of trainees and Level I personnel.

Level III: Qualified to develop, qualify and approve procedures, establish techniques, interpreting codes and standards. Should have sufficient practical background in applicable materials, fabrication and product technology. Should be capable of training and examining Level I and II personnel.

Code Of Ethics

Individuals certified according to this SNT-TC-1A Scheme must recognize that personal integrity and professional competence are the fundamental principles on which their testing activities are found. Accordingly, it is a condition of this ASNT certification that certificate holders shall undertake to:

  • Comply with this code of ethics
  • Pursue their professional discipline and activities in al spirit of fairness to all concerned -employer, employees, customers and competitors consistent with the high ideal of personal honour and integrity
  • Perform their work in the highest professional manner, protecting the life, safety and health of their associates and of the general public
  • Undertake only those non-destructive testing assignments for which they are competent by virtue of their training, qualification and experience
  • Only sign documents for work of which they have personal professional knowledge and/or direct supervisory control
  • Engage, or advise the engagement of , such specialists as are required to enable assignments to be properly completed
  • At all times, be aware of and uphold the provisions/requirements of codes, regulations and standards under which they are working
  • Avoid conflicts with interest with the employer or client, but when unavoidable, forthwith disclose the circumstances to the employer or client
  • Treat as confidential their knowledge of any business affairs or technical information of employers, clients or customers and to make no disclosure of such information without their express consent
  • Strive to maintain their proficiency by updating their technical knowledge as required to properly practice NDT in the certified methods and levels
  • Indicate to the employer or client any adverse consequences which may result from an overruling of their judgment by a non-technical authority
  • Not falsify nor permit misrepresentation of their own or their associate’s academic or professional qualifications, training, experience or work responsibilities
  • Refrain from making unjustified statements or from performing unethical acts which would discredit the SNT-TC-1A Scheme
  • Inform their employer in the event that their ASNT – SNT-TC-1A certificate is suspended, cancelled or withdrawn.