CFS announces Second Hong Kong Total Diet Study findings on perchlorate
The Centre for Food Safety (CFS) of the Food and Environmental Hygiene Department released the third report under the Second Hong Kong Total Diet Study (2nd HKTDS) today (December 5). This report is the CFS's first assessment of the overall dietary exposure to perchlorate in food among the Hong Kong population. The findings showed that the estimated dietary exposures to perchlorate for the overall adult and younger populations in Hong Kong remain well below the health-based guidance values established by the international organisation/authority and do not pose a health risk.
Perchlorate occurs naturally in the environment and is also an environmental contaminant arising from human activities. Perchlorate has been reported to occur in a wide range of foods including vegetables, fruits, milk and dairy products. Perchlorate has low acute oral toxicity in laboratory animals, and the International Agency for Research on Cancer has not classified perchlorate as a carcinogen. Exposure to excessive perchlorate can interfere with thyroid function by reducing the uptake of iodide by the thyroid gland, leading to hypothyroidism. The CFS selected perchlorate as one of the testing parameters in the 2nd HKTDS to assess the local situation and evaluate the dietary exposure to perchlorate of the Hong Kong population in light of the attention that perchlorate has received abroad in earlier years.
Out of a total of 187 food items tested in the Study, 144 (77 per cent) were found to contain perchlorate. Among these food items, pumpkin exhibited the highest mean concentration of perchlorate, followed by Chinese amaranth and Chinese parsley. By combining the aforesaid findings with the food consumption data of people in Hong Kong, the estimated dietary exposures to perchlorate for average and high consumers of the adult and younger population were all below 5 per cent of the Provisional Maximum Tolerable Daily Intake of 10 micrograms/kilogram body weight allocated by the Joint Food and Agriculture Organisation of the United Nations/World Health Organisation Expert Committee on Food Additives for perchlorate.
A spokesman for the CFS said, "The public is encouraged to maintain a balanced and varied diet to support overall health and reduce the risk of exposure to contaminants, including perchlorate, from a limited range of food."
The 2nd HKTDS aims to estimate the latest dietary exposure of the Hong Kong population and various population subgroups to some chemical substances of potential food safety concern and assess the associated health risks. The public can download the relevant study reports released thus far from the CFS webpage at www.cfs.gov.hk/english/programme/programme_firm/programme_tds_2nd_HKTDS_report.html.
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Electors reminded to vote at allocated polling stations and follow proper voting procedures
The 2025 Legislative Council General Election (LCGE) will be held on December 7 (Sunday). A spokesman for the Registration and Electoral Office (REO) said today (December 5) that poll cards have been mailed to about 4.13 million registered electors. Electors should vote at their allocated polling stations and follow proper voting procedures when casting their votes.
Poll cards
In addition to the poll card, the election mail sent to each elector by the REO also includes a map indicating the location of the allocated polling station, a guide on voting procedure, introduction to candidates leaflets in respect of his/her relevant constituency(ies), and a publicity leaflet on clean elections by the Independent Commission Against Corruption.
The REO spokesman said, "In response to the Electoral Affairs Commission's earlier announcement to extend the polling hours for this LCGE, the previous polling hours stated in the poll cards and other relevant documents already sent out by the REO are no longer valid. Electors should note that the REO has sent out another notice to all Hong Kong electors, stating the new polling hours (i.e. from 7.30am to 11.30pm)."
Due to the Tai Po fire, adjustments have been made to three polling stations in the district. Affected electors need to relocate from their original polling stations to the reallocated polling stations for casting their votes. Except for those electors of Wang Fuk Court who are currently residing in other districts, the REO has sent a notice to affected electors in Kwong Fuk Estate, Tai Po Kau area and Tai Po Market to inform them of their reallocated polling stations. The affected electors may also check relevant voting information by logging into the Online Voter Information Enquiry System (www.voterinfo.gov.hk) through "iAM Smart" or the Voter Registration website (vr.gov.hk).
Arrangements of polling stations
The REO spokesman said, "There are over 4.13 million geographical constituency (GC) electors across the territory. The REO will set up 612 Ordinary Polling Stations. GC and functional constituency (FC) electors may go to the Ordinary Polling Station allocated to them and cast their votes for the candidates of their GCs and FCs (if applicable) at the same time. Approximately 1 500 electors of the Election Committee constituency (ECC) can cast their votes for all relevant constituencies at the polling station at the Hong Kong Convention and Exhibition Centre (HKCEC)."
On the polling day, the polling hours for the Ordinary Polling Stations, the ECC polling station, the three Dedicated Polling Stations set up at police stations and the Near Boundary Polling Stations (NBPSs) will be from 7.30am to 11.30pm. For the Dedicated Polling Stations set up at penal institutions, for security reasons, the polling hours will be from 9am to 4pm. For the Designated Polling Stations and Outreach Polling Stations for Residential Care Homes under the pilot arrangements, their polling hours are from 8.30am to 9.30pm, and from 8.30am to 6.30pm respectively.
Two queues will be set up at the polling stations. One queue is for people aged 70 or above, pregnant women and persons who are unable to queue for a long time due to physical conditions, while the other queue is for ordinary electors. Seats will be provided in the polling stations for any electors in need, and to join the queue afterwards for collecting their ballot papers.
To facilitate the voting by electors on the polling day, the Government has identified different premises nearby over 30 polling stations to provide some temporary parking spaces. Those in need may park their vehicles there for a short duration for casting their votes at the polling stations. The opening hours of the parking spaces concerned are in general from 7.30am to 11.30pm on the polling day. Electors should refer to the terms of use and the instructions of the management of the premises for the detailed arrangements that day (including the duration of free parking and the parking fee thereafter (if any)). Details of the temporary parking spaces are at annex.
On the polling day, electors can check the approximate waiting time of Ordinary Polling Stations, the ECC polling station and NBPSs on the election website (www.elections.gov.hk). Depending on the waiting time and their schedule, electors can make their own arrangements on when to vote.
Voting procedures
Most Ordinary Polling Stations will make use of the Electronic Poll Register (EPR) System to issue ballot papers. The polling procedures are very simple. Electors will be instructed by the polling staff to the issuing desks after they enter the polling station. The elector must show the original of his/her valid Hong Kong identity (HKID) card and the polling staff will scan the elector's HKID card with an EPR tablet. The elector may check his/her name, partial HKID card number and the type(s) of ballot paper(s) that he/she is entitled to on an EPR tablet for verification of information. The elector may then enter the voting compartment upon collection of the ballot paper(s).
GC electors must affix the chop provided at the polling station to mark a single 'tick' in the circle opposite the name of the candidate of their choice on the ballot paper by themselves, and then insert the unfolded ballot paper into the blue ballot box with the marked side facing down. As for FCs, electors must mark the ballot paper using the black pen provided at the polling station to fill in the oval on the ballot paper opposite the name(s) of the candidate(s) of their choice by themselves, and then insert the unfolded ballot paper into the red ballot box with the marked side facing down.
ECC electors must vote for 40 candidates, no more and no less. Otherwise, the ballot paper will be considered invalid and will not be counted. Electors must use the black pen provided at the polling station to fill in the oval opposite the names of the candidates of their choice. After marking the ballot paper, electors should use the Ballot Paper Checking Machine to check whether the number of candidates marked on the paper is 40. The machine will not record the choices marked on the ballot paper. Electors should put the ballot paper, unfolded with the marked side facing down, into the white ballot box.
The ballot is autonomous and secret. Electors must mark their ballot papers on their own in the voting compartment. If in need, electors may ask for assistance from the polling staff. Electors must not disturb others during voting, nor use electronic communication devices, take photographs or make audio or video recordings in the polling stations. Canvassing, distribution of election advertisements or displaying propaganda materials are also prohibited inside polling stations.
To ensure that electors understand the polling procedures, the REO has produced a set of TV and radio Announcements in the Public Interest which have been uploaded onto the election websitefor electors' reference.
Counting and result announcement
After the close of poll, a majority of the Ordinary Polling Stations will be changed to counting stations immediately for the counting of GC votes. For small polling stations of which less than 500 electors are assigned to vote, Dedicated Polling Stations, the ECC polling station, NBPSs, Designated Polling Stations and Outreach Polling Stations for Residential Care Homes, the GC ballot papers will be delivered to the ballot paper sorting station cum consolidated main counting stations at Kowloon Park Sports Centre for counting. The ballot boxes of all FCs and the ECC will be delivered to the Central Counting Station at the HKCEC for counting.
For the GCs, upon completion of the count, the Presiding Officer of each counting station will make known the counting results to the candidates or their agents present. Upon verification of the counting results of all counting stations in a GC, the REO will notify the Returning Officer (RO) at the Central Counting Station at HKCEC of the overall counting result for the RO to sign and declare the election results at the Media Centre. As for the FCs and ECC, once the counting of votes is completed and the election results are verified by the Statistical Information Centre, the ROs will notify the present candidates and their agents of the counting results, and sign and declare the election results at the counting zone of the Central Counting Station. The election results will be announced again by the ROs on stage of the Media Centre.
The election results will be published via press releases and the election website, as well as displaying outside the Media Centre.
Clean elections
The REO spokesman reminded that according to the Elections (Corrupt and Illegal Conduct) Ordinance (Cap. 554), it is illegal conduct to incite any person not to vote, to cast a blank or invalid vote by any activity in public during an election; and it is corrupt conduct if a person willfully obstructs and prevents another person from voting at an election.
For enquiries, please call the REO's hotline at 2891 1001 or visit the election website for more information on the LCGE.
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