MIL-STD-1330D(SH)
20 September 1996
5.14 Personnel qualification and training.
5.14.1 Applicability. Piping systems and components to be certified oxygen clean, shall be cleaned, assembled, tested (if cleanliness is being maintained), packaged, and, when required by table XII, inspected or witnessed by qualified personnel. Government personnel shall be qualified as either Certified Oxygen Clean Instructors or Certified Oxygen Clean Workers. Qualification shall be obtained by completing the appropriate course of instruction specified in 5.14.2 and passing a written examination. Contractor personnel shall demonstrate equivalent training by completing the appropriate course of instruction specified in 5.14.2, or its equivalent, and passing an appropriate written examination. Vendor personnel should obtain equivalent training from authorized government facilities or commercial agencies such as ASTM subcommittee G-4 or CGA.
5.14.2 Course of instruction.
5.14.2.1 Certified Oxygen Clean Instructor. Personnel qualified as Certified Oxygen Clean Instructors shall successfully complete an oxygen clean instructor course. The location and content of the course shall be as authorized by NAVSEA. The course content shall include all requirements, directions, and provisions of this standard. Requalification of Certified Oxygen Clean Instructors shall be as specified in 5.14.3. Personnel qualified as Certified
Oxygen Clean Instructors and whose job function provides continuous proficiency in the requirements of this standard should be designated Senior Certified Oxygen Clean Instructors by the local command or activity. Examples of job functions
that provide continuous proficiency include cleanroom supervisors and personnel teaching oxygen clean instructor courses.
5.14.2.2 Certified Oxygen Clean Worker. Personnel qualified as Certified Oxygen Clean Workers shall successfully complete an oxygen clean worker course taught by a Certified Oxygen Clean Instructor. The location and content of the course shall be authorized by the local command or activity. The course content shall, at a minimum, include those requirements of this standard that pertain to the safe accomplishment of work performed at the local command or activity. Requalification of Certified Oxygen Clean Workers shall be as specified in 5.14.3.
5.14.3 Requalification. Personnel shall requalify every 3 years by completing an accelerated course of instruction that reviews at a minimum the requirements for oxygen and cleaning agent safety, maintenance of oxygen cleanliness, loss of oxygen cleanliness, packaging, certification, and any changes or revisions to this standard. The local command or activity may exempt Senior Certified Oxygen Clean Instructors from requalification.
5.15 Validation of the component cleaning process.
5.15.1 Periodicity. Validation of the aqueous component cleaning process shall be performed annually as specified in 5.15.2. This validates the entire process including the pre-clean, final clean, rinse, and dry steps. Each operator should perform the validation within a 3-year period. Records of the
results of the validations shall be maintained for not less than 3 years. Failure to meet the validation requirements shall be immediately corrected, assessed for impact on previously delivered oxygen clean material, and recorded (see 6.3).
5.15.2 Procedure. Three monel or cres 304 or 316 coupons of dimensions
0.875 to 1.125 inches wide by 3.875 to 4.125 inches high by 0.0625 to 0.125 inches
thick shall be cleaned as specified in 5.2. Each coupon shall be weighed on a
scale capable of measuring 0.1 mg. All three coupons shall be contaminated with
75 to 100 mg of the same soil and weighed. The soils used shall be
MIL-G-24139 hydrocarbon grease, MIL-S-8660 silicone grease, and MIL-G-27617
fluorinated grease, or equal. The contaminated coupons shall be cleaned as
specified in 5.2. After cleaning, the final weight of each coupon shall indicate
that not less than 99.9 percent of the soil was removed.
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