1.
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(b) An improved treatment of the effects of meteorology could be given if the following information was provided for each of the four seasons (or on
whatever basis is available).
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Firstly, and most importantly, please supply information concerning the
duration of periods of rain. We do not need the number of hours of rain
per month (which we already have), but rather the typical duration of an
individual period of rain and the seasonal variations in such durations.
This information can be used to estimate the probability that rainfall would begin or end during the movement of the plume from Daya Bay to Hong
Kong (a period of a few hours).
Secondly, please supply information concerning the correlation of rainfall
with wind speed and/or stability category.
It is appreciated that reliable information of this nature may not be
available. Nevertheless, please supply the best estimates you can. The best possible information would be a year-long hourly record of the meteorological variables. If this, or anything remotely similar, is available, please supply it.
(c) In section 2.4, above, reference is made to the protection from external gamma irradiation afforded by the occupancy of homes and other
buildings. The assessments of this effect have been based on U.K. data
for the average fraction of their time people spend indoors and the shielding effectiveness of typical buildings. If possible, please supply comparable information for Hong Kong.
5.2
Terrestial Food Products
Some of the information needed for the assessment of terrestial food chains has already been requested. For convenience those questions and the responses are attached hereto as attachments A & B respectively. Additional information is requested as follows:
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