An improved flowable fill material and method for producing same that provides a medium for disposal of waste wood or other reclaimed debris, including wood treated with anti-microbial and/or anti-fungal materials including those containing copper, chromium and arsenic bearing compounds. The flowable...http://www.google.com.au/patents/US7381177?utm_source=gb-gplus-sharePatent US7381177 - Flowable fill and flowable fill method for disposal of recovered waste