Clean Test according to ISO 16232 - Some points



I have such a problem: I need to confirm if my cleantest is according to ISO 16232.
Especially points 6.2.14 to 6.2.19.
This must be done: 3 tests on 6 samples (I mean 3 tests on every sample) or 3 tests on 3 samples? In "6.2.18 a" there are saying that 3 samples, but on page 12 on the graph is 6 samples...
This final 10% should be counted against all contaminants found in all sampled (18 results: 6 for 3 samples) or for one sample (of 6 results or 3 results)?
Can you clarify?
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