asked Her Majesty's Government:How many Cypriot nationals were deported from the United Kingdom during 1981 and how many were refused extensions of their leave to remain in the United Kingdom.

In 1981 deportation orders were enforced against 61 Cypriot nationals. No centralised record is kept of the number refused extension of their leave to remain.

asked Her Majesty's Government:What would be the cost at 1981 prices of the preferred inner barrage scheme on the Severn Estuary, and how many additional jobs (in terms of full-time jobs per year) would be created during the construction period of 15 years.

On the assumptions set out in the Severn Barrage Committee's report Tidal Power from the Severn Estuary (published by HMSO as Energy Paper No.46),a copy of which is available in the Library, the direct construction costs, including an allowance for contingency and excluding interest during construction, would be approximately £6,270 million in December 1981 prices. These costs are subject to some uncertainty. Conversion of the costs assumed by the committee to December 1981 prices has been calculated using a weighted Baxter index (Bulletin of Construction Indices—Civil Engineering, published monthly by HMSO).A preliminary assessment by the committee of the labour requirements suggests that a total workforce of around 21,000 for various periods of up to 10 years would be required directly for construction and supply of materials. Employment for a further 5–6,000 people could be created by the "multiplier effect" caused by the boost to the local economy. Further details of these estimates are given in paragraph 15.16–15.27 of Volume II of the committee's report.

asked Her Majesty's Government:What is their best estimate, or if they have none, what estimates have been made by public bodies, of the total costs, including all training, supervision, labour, materials and other capital costs, at 1980 prices, of electrifying all those railway lines that have been proposed for such treatment by British Rail, how many years it is estimated such a programme might take to complete, and how many additional jobs (in terms of full-time jobs per year) would be created while this work was being done.

We have not yet received from the Railways Board the 10-year programme of schemes for the electrification of potentially profitable main line routes which my right honourable friend the Secretary of State for Transport invited them to submit last June. The best available estimates of the cost and timing of possible programmes are therefore still those given in the Review of Main Line Electrification, published in February 1981. The National Economic Development Office (Electrical Engineering EDC) have estimated that an electrification programme could directly generate some 1,200–2,000 jobs in the electrical and civil engineering industries while the work was being done

asked Her Majesty's Government:Whether the Department of the Environment have responsibility, and if so what, for the land used by the Women's Peace Camp at Greenham Common North, near Newbury.

The Department of the Environment has no responsibility for this land. Most of it is owned by Newbury District Council although it is possible that a small area may form part of the land acquired by the Department of Transport for highways purpose.

asked Her Majesty's Government:Whether they will make a statement about the implementation of the remaining provisions of Part II of the Control of Pollution Act 1974.

Yes. My right honourable friends the Secretaries of State for the Environment, Scotland and Wales have decided to proceed with a programme of implementation of the remaining provisions of Part II (except for Sections 52 and 53) starting in July.Before reaching this decision my right honourable friends have given full consideration to the balance between the benefits of extending and strengthening the controls over water pollution and the need to avoid increased water charges or unnecessary expenditure by water authorities and by industry generally. For this reason and bearing in mind that the structure of the Act itself requires that implementation should be phased, we have concluded that Part II should be implemented over a period of four years, with the main provisions taking effect in the earlier part of the programme.It is our intention, therefore, that the most important of the new powers of pollution control will be available to water authorities by July 1984 thus enabling them to act where necessary in those areas and over those categories of discharge not yet subject to control and, on a more long-term basis, to plan for the further improvement of water quality in accordance with agreed environmental quality objectives and in the light of the best use of financial resources.Consultation with the water industry and other interested bodies, including industry, will now take place to consider the subordinate legislation required and, in particular, the detailed arrangements for the operation of public registers. While it is our aim that the implementation programme should be virtually complete by July 1986 there needs to be some flexibility in the phasing of certain provisions to allow for any difficulties which may emerge in the course of the consultation procedure.

asked Her Majesty's Government: Whether they will make a statement about the changes proposed in:—

(a) Boarding charges are determined locally; the Government hopes that the differential which still exists between the charges at institutions maintained by local education authorities in England and Wales to students coming from England and Wales and those coming from elsewhere can be eliminated and is continuing to examine ways of achieving this objective.

asked Her Majesty's Government:Whether they will list the changes in lending by the International Development Association to developing countries in 1982 which have been decided upon as a consequence of reduced contributions to the association's funds.

The reduction in the International Development Association's commitment authority in the year ending 30th June 1982 from the planned figure of $4,100 million to $2,600 million has been distributed as follows:—

asked Her Majesty's Government:Whether they will use their influence in the World Bank directorate and with the Government of the United States—

The United States has not reduced its overall participation in the current replenishment of the International Development Assocation (IDA 6). For an account of the position I refer the noble Lord to my noble friend's reply to the noble Lord, Lord Oram, on 10th February (Hansard, volume 427, col. 258). The World Bank executive board recently reviewed its policy on the per capita income eligibility level for loans from the Bank and decided to maintain its present guidelines.

asked Her Majesty's Government:What is the rate of return that land drainage schemes must provide if they are to receive agricultural grant aid, and over what period of time are the costs and benefits of such schemes assessed.

The test discount rate used for calculating benefits in arterial drainage schemes is 5 per cent. Costs and benefits are assessed over the estimated life of the drainage works. In practice, this does not normally exceed 50 years.

asked Her Majesty's Government:What investigations are carried out by the Ministry of Agriculture, Fisheries and Food to ensure that projected benefits of an agricultural improvement scheme assisted with Government grants actually accrue once the scheme is completed.

In most instances an applicant for grant meets the greater part of the expenditure and it is our policy to leave him to decide whether his investment is worthwhile.House adjourned at one minute past nine o'clock.