Soils with low P-Index Soils with low P-Index

Soils with low P-Index
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Study	ID	Concetration Reduction (%)			Notes:
		OP	TP	Particulate P
Hunt et al., 2006	G1	-940	-409	No data	Old style media - medium p index (20-26
	XG2	-3829	-2900	-2487	Old style media - high p index (86-100)
Passeport et al., 2009	North Cell	78	63	53	media 80% stalite, 15% sand, 5% OM (p index=8)
	South Cell	74	58	46	media 80% stalite, 15% sand, 5% OM (p index=5
Line and Hunt, 2009	DOT Cell	62	44	No data	Standard media - p index (22-36)
Brown and Hunt 2011	0.6 m media	-10	-4	-2	Pre-Repair
	0.9 m media	-6	18	36	Pre-Repair
Brown and Hunt, 2012	0.6 m media	-367	32	8	Post-Repair (irreducible concentrations)
	0.9 m media	-570	-25	32	Post-Repair (irreducible concentrations)
Hunt et al., 2008	HMBC	NM	31	NM
Luell et al. 2011	Small Cell	NM	-10	NM
	Large Cell	NM	7	NM
Brown and Hunt 2011	SCL Cell	35	69	67
Mean		39	41	40
Median		48.5	51	46

Negative sign “-“ implies pollutant export

NM = not measured