Table 5. Auditing impact on 2013AA non-Chemical ISTs of the sculpted RSN.

Extent size of IST	Starting # of Non- Chemical ISTs 2011AA	# of Non- Chemical ISTs deleted by audit	Percentage of such ISTs deleted	# of Non- Chemical ISTs added by audit	Percentage of Non ISTs added	# of Non- Chemical ISTs after audit	Net reduction
1	7	5	71.4%	1	14.3%	3	57.1%
2	3	2	66.7%	0	0%	1	66.7%
3	5	3	60%	1	33.3%	3	60%
4	6	4	66.7%	0	0%	2	33.3%
5	2	1	50%	0	0%	1	50%
6	6	1	16.7%	0	0%	5	16.7%
Total	29	16	55.2%	2	6.9%	15	48.3%