Standard wagon designed a new box scrap wagon in 1978 which was used by the hire company Railease, more batches followed in 1982, using frames from British Steel hoppers, and more in 1982 and 1984 where new. In c1990 they were transferred to BR ownership and renumbered, followed by ownership by EWS who rebuilt them. Mann, Trevor., (l986b) Modern P O wagons Railease 'POA' open scrap carriers. Model Railway Constructor vol. 53 (part 629) pp 508, 530 - 533. Drawings - RLS5900 diag. 6/539/POO10A; RLS5909 diag. POO10B Mann, Trevor., (1986c) Modern P O wagons Railease 51.0 tonnes GLW two - axle open scrap carriers, Part 2 the 1984 'POA' scheme. Model Railway Constructor vol. 53 (part 630) pp 564, 582 - 585. Drawings - RLS5032 diag. POO14A; RLS5923 Diag. POO10C/D. Mann, Trevor., (1986d) Modern P O wagons Railease 51.0 tonnes GLW two - axle open scrap carriers, Part 3 the 1984 'POA' scheme. Model Railway Constructor vol. 53 (part 631) pp 636 - 641, 665. Drawings - RLS5920 diag. POO10B ; RLS5051 Diag. POO14A .