Technology: Nitrates in Groundwater

Thirlestane Castle
Written and presented by Ian Grimble.
There's a wonderful new front, designed in the 1670s, and an incomparable collection of children's toys. Produced by BARRY TOOVEY

Petroleum
Producer JOHN SIMMONS A BBC/OU production (R)

starring Cliff Richard Debbie Watling Hugh Griffith and George Cole. Tim Matthews is a swinging, ambitious young banker whose sole object is to wheel and deal just that much better than his rivals. But when his employers post him to
Birmingham instead of New York, the girl he falls in love with changes his life ...
Screenplay by CHRISTOPHER PENFOLD Produced by KENNETH HARPER Directed by DAVID ASKEY
('Summer Holiday' on Friday,
2.20pm BBC1)
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Miniature Furniture BBC Bristol (R)

Producer JOHN SIMMONS A BBC/ou production (R)

Producer ANDREW CRILLY A BBC/OU production (R)

(R)

Weather followed by The Man behind the Mask
Two American professors take a new look at the life of archaeologist
Heinrich Schliemann and call into question the discovery of the treasure of King Priam at
Troy - scene of Schliemann's greatest triumph.
Written and produced by ROY DAVIES Series editor BRUCE NORMAN

Hawaii (R)

Weather followed by The Musical
Mariner
Remembered for his award-winning film, African
Sanctus, David Fanshawe is off again with back pack and tape recorder. This time he heads for the far Pacific, to preserve 'a precious but endangered species - indigenous music'.
In the first of two films, he journeys to Nuigini. Director BILL LEIMBACH
Series editor TIM SLESSOR

starring Louis Jourdan Belinda Lee
Keith Michell.
Six years after the French Revolution, the would-be Louis XVII is rescued from prison and taken to Wales by balloon. But even in this remote spot the young king's life is in danger.
Screenplay by ROBIN ESTRIDGE from the novel A King Reluctant by VAUGHAN WILKINS
Produced by GEORGE H. BROWN
Directed by BRIAN DESMOND HURST
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written and narrated by Barry Cryer , with Roy Hudd , Frankie Vaughan Les Dawson, Larry Grayson. A look behind the scenes at the world's longest-running television variety show which ended, in 1983, after 30 years.
Producer MARCEL GUILLOU (R)

starring
John Barrymore and Kay Kyser. When
John Barrymore 's agent gets together with Kay Kyser 's agent and they cook up a collaboration, the stage is set for comedy.
Shakespeare meets swing for the first time - an event that must have had the Bard spinning, or is it jiving, in his grave! and KAY KYSER 'S BAND Screenplay by JAMES V. KERN Produced and directed by DAVID BUTLER
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Calling in the Coach
Presenter Virginia Wade. Can sport teach business anything? Ford Motor Company and Spicers,
Consulting Group think so. Tennis coach Alan Fine coaches Spicers' consultants on mental attitude and John Syer , a sports team psychologist, tunes up a management team at Fords. Film cameraman DAVID SWAN Film editor PAUL RAPLEY Producer PETER RAMSDEN Editor BRIAN DAVIES (e)

Ray Stubbs reports on what has gone wrong with Grand Prix racing. With McLaren Honda winning virtually every race because of the technical excellence of their cars, much of the excitement has gone out of the sport. Has the driver become merely a cog in the machine?
Executive producer DAVID TAYLOR

Presented by Brinsley Forde Aminatta Forna and Martin Shaw.
A series of six programmes in which Ebony goes out on the road to meet Britain's Afro-Caribbean communities.
This week, the programme travels to the oldest of these, Toxteth in Liverpool. The frontline issue for debate is Lord Gifford's inquiry into
Liverpool 8, and members of the community take a critical look at the results. There's a rap-fast analysis of black music in the 80s and images of the streetwise lust for gold. Plus a sharp interview with the 'outrageous' Grace Jones. Producers
COLIN PRESCOD. ONYE WAMBU Editor VASTIANA BELFON BBC Pebble Mill

Surro-gate
When Lionel is asked to search for a more youthful presenter Douglas finds himself having to prove his worth. Samantha's job is also on the line when she trusts someone she shouldn't. Written by BRYCE ZABEL Directed by victor LOBL

A series of six films with Patrick Nuttgens.
4: Back to the Drawing Board Tonight's film looks at why any consensus on what makes good housing collapsed at the end of the 60s, and at the alternatives that have been pursued since, particularly in inner cities.
The programme also explores the contrasting experience of Northern Ireland where all housing since 1971 has been in the hands of a single non-elected authority. Photography JOHN WARWICK Film editors
BOB GEOGHEGAN. SARAH FLINT
Producer MARK ROWLAND. BBC Leeds
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Introduced by Harry Carpenter
In two days time the 118th
Open begins at Royal Troon. Seve Ballesteros will defend the title he won last year. As a reminder of his epic battle with Nick Price ,
Harry Carpenter brings highlights of last year's final round.

A Cancer In the Family
Two families discuss the effect of breast cancer on their relationships. and implications for the future. Producer vie LOCKWOOD