Parameters (mg/kg or as stated)	Sep-11
	Range
Station WS1
Bromoform	<0.1
Bromodichloromethane	<0.1
Chloroform	<0.1
Dibromochloromethane	<0.2
Methylene chloride	<20
Carbon tetrachloride	<0.5
Chlorobenzene	<0.5
1,1-dichloroethane	<0.5
1,2-dichloroethane	<0.5
1,1-dichloroethylene	<0.5
1,2-dichloropropane	<0.5
Tetrachloroethylene	<0.5
1,1,1-trichloroethane	<0.5
1,1,2-trichloroethane	<0.5
Trichloroethylene	<0.5
2-chlorophenol	<0.5
2,4-dichlorophenol	<0.5
p-chloro-m-cresol	<0.5
Pentachlorophenol	<0.5
2,4,6-trichlorophenol	<0.5
Bis(2-chloroethoxy) methane	<0.5
1,4-dichlorobenzene	<0.5
Hexachlorobenzene	<0.01
Hexachlorocyclopentadiene	<2.5
Hexachloroethane	<0.5
1,2,4-trichlorobenzene	<0.5
Alpha-BHC	<0.01
Beta-BHC	<0.01
Gamma-BHC	<0.01
Size Spectrum (>2000µm), %	0.8
Size Spectrum (63-2000µm), %	13
Size Spectrum (<63µm), %	86
pH	8.3~8.5
Acid Volatile sulphides	180~190
Total volatile solids, %	4.7~6
Total organic carbon, %	0.4