Client	Boughton Loam Limited
Project	Growing Media Development
Job Ref	SLC/05/TO/1601
Date	29th April 2005
				Roof Garden 1		Roof Garden 2
Sample Reference				Turf		Shrub Beds
						/ Borders
pH Value & Salinity
pH value (1:2.5 s/w extract)		units		8.2		8.3
Electrical Conductivity (1:2.5 s/w extract)		uS/cm		822		1121
Organic Matter & Nutrient Status
Organic Matter (LOI)		%		4.1		5.9
Total Nitrogen		%		0.11		0.13
Extractable Phosphorus		mg/l		38		54
Extractable Potassium		mg/l		763		1128
Extractable Magnesium		mg/l		140		179
Particle Size Analysis
Clay (<0.002mm)		%		6		7
Silt (0.063-0.002mm)		%		1		2
Sand (2.0-0.063mm)		%		93		91
Texture Class		UK Class		S		S
Very Fine Sand (0.15-0.05mm)		%		6		7
Fine Sand (0.25-0.15mm)		%		17		17
Medium Sand (0.50-0.25mm)		%		47		47
Coarse Sand (1.0-0.50mm)		%		16		15
Very Coarse Sand (2.0-1.0mm)		%		7		5
S = SAND
LS = LOAMY SAND
SL = SANDY LOAM
Job Ref	SLC/05/TO/1626
Date	November 2005
				Roof Garden 1		Roof Garden 2
Sample Reference				Turf		Shrub Beds
						/ Borders
pH value (KCl extract)		units		7.6		7.5
Bulk Density		Mg/m3		1.55		1.41
Total Porosity		%		43		53
Air Filled Porosity		%		17		36
Capillary Porosity		%		26		18
Water Storage Capacity		%		7		9
Permeability		m/s		1.9x10-7		1.3x10-7
nt = not tested
Authorised by:
Tim White
Soil Scientist