xmlns:atom="http://www.w3.org/2005/Atom"
12. The Sludge (Use in Agriculture) Regulations 1989(1).
S.I. 1989/1263; relevant amending instruments are S.I. 1990/880, 1996/593, 2000/656, 2010/1159, 1820 (W.177), 2013/755 (W. 90).