CFR section
21 CFR 1020.31(c)(1): Radiographic equipment
PART 1020-PERFORMANCE STANDARDS FOR IONIZING RADIATION EMITTING PRODUCTS
Key facts
| Citation | 21 CFR 1020.31(c)(1) |
|---|---|
| Section | Radiographic equipment |
| Part | PART 1020-PERFORMANCE STANDARDS FOR IONIZING RADIATION EMITTING PRODUCTS |
| Subchapter | 21 CFR J Radiological |
| Product types cited | Devices |
| Regulation text (excerpt) | (1) Equipment having independent selection of x-ray tube current (mA). The average ratios of air kerma to the indicated milliampere-seconds product (mGy/mAs) obtained at any two consecutive tube current settings shall not differ by more than 0.10 times their sum. This is: |X1 - X2| ≤0.10(X1 + X2); where X1 and X2 are the average mGy/mAs values obtained at each of two consecutive mAs selector settings or at two settings differing by no more than a factor of 2 where the mAs selector provides… |
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