View current and previous project bulletins. Latest Bulletin August 2022 Previous Bulletins 2022 2021 2020 April 2022 February 2022 June 2022 November 2021 September 2021 July 2021 May 2021 March 2021 ( PDF 316.6KB) February 2021 ( PDF 7.31MB) December 2020 ( PDF 589.43KB) November 2020 ( PDF 481.35KB) August 2020 ( PDF 277.6KB) July 2020 ( PDF 284.85KB)