02br 00 "pose a risk" is a common idiom. You should keep it, in my opinion. 02br 02br 00 As for your questions, let me just say that you can't use both "may" and "can", as in your "may I can replace".
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01cite10CalifJim12cite10"of calculating" would normally following by another word saying what was being calculated.12br
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11i10the results of calculating the length of the board12br
10the process of calculating the amount of oil needed12i12br
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10CJ12br
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00I get a feeling that 'the site is not expected to pose an unacceptable health risk' might imply ... [that] the site is expected to pose an acceptable health risk.12blockquote10 Yes. I think that is 01u00almost02u00 exactly what is implied, intentionally so, possibly for legal purposes.02br
01b10please explain me the differences of "Base[ d ] on the results of (A,B,C,D)"?12b12br
11b10A) the calculation12b12br
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11b10B) calculation12b12br
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11b10C) the calculating12b12br
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11b10D) calculating12br