TABLE 1 | |||
Radiographic Quality Control Requirements | |||
(To be performed by appropriately trained facility personnel) | |||
Item | Required Test or | Frequency | Standard |
Procedure | |||
1. | Equipment Warm-up | Daily, each | Warm up tube; ensure equipment is |
Procedure | day x-rays are | working properly | |
taken | |||
2. | Processor Quality | Daily, each | Medium Density +/-0.15 Optical |
Control (Sensitometry/ | day x-rays are | Density (OD), Density Difference | |
Densitometry) | taken | +/-0.15 OD, Base + Fog + 0.03 OD | |
of operating levels | |||
3. | Laser Film Printer | Weekly | As specified in 7:28-22.6 |
Quality Control | Table 2, Fluoroscopic Quality | ||
Control Requirements | |||
4. | Darkroom Cleanliness | Weekly | Free from dust and dirt |
5. | Processor Maintenance | Initially and | Manufacturers' specifications |
and Chemical Solutions | every 2 months | ||
(more frequent | |||
ly if needed) | |||
6. | Equipment Visual | Initially and | All tests passed |
Checklist | quarterly | ||
7. | Film and Chemical | Initially and | Use film and chemicals with |
Shelf Life | quarterly | earliest expiration date first | |
8. | Light Field/X-ray | Initially, | Not to exceed 2% of Source to |
Field Alignment | quarterly and | Image Distance (SID) | |
after service | |||
9. | Repeat Analysis | Semiannually | No standard, but goal should be <5% |
(review | |||
rejected films | |||
immediately | |||
for corrective | |||
action) | |||
10. | Artifact Evaluation | Examine every | No significant artifacts |
film for | |||
artifacts, | |||
in-depth | |||
evaluation | |||
semiannually | |||
11. | Analysis of Fixer | Initially and | <=5 micrograms/sq. centimeter or |
Retention | semiannually | <=0.05 grams/sq. meter | |
12. | Darkroom Fog | Initially, | <=0.05 Optical Density Difference |
semiannually | |||
and after | |||
service | |||
13. | Screen-Film | Initially and | No areas of poor contact 2 cm. in |
Contact/Cassette | annually or as | diameter | |
Integrity/Screen | needed | ||
Cleanliness | |||
14. | Lead Aprons, Gloves, | Initially and | No breaks in protective garments |
Gonadal and Thyroid | annually | ||
Shield Integrity Check | |||
15. | Medical Physicist's QC | Initially and | As required in 7:28-22.8 |
Survey | annually | ||
16. | Quality Assurance | Initially and | As required in N.J.A.C. |
Program Review | annually | 7:28-22.4(a)7 |
N.J. Admin. Code § 7:28-22.5