RIVER MERSEY AT WOOLSTON WEIR AT SLUICES Monitoring Site

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Classification Item	2019	2022
Acid Neutralising Capacity	High
Aclonifen	Good
Alachlor	Good
Ammonia (Phys-Chem)	Moderate	Moderate
Bifenox	Good
Biochemical Oxygen Demand (BOD)		High
Cadmium and Its Compounds	Good
Chlorothalonil	High
Copper	High
Cybutryne	Good
Diazinon	High
Dichlorvos (Priority)	Good
Dimethoate	High
Dissolved oxygen	Bad	Bad
Hexachlorocyclohexane	Good
Iron	High
Lead and Its Compounds	Good
Manganese	High
Nickel and Its Compounds	Good
Pendimethalin	High
Pentachlorobenzene	Good
Perfluorooctane sulphonate (PFOS)	Fail
Phosphate	Poor	Poor
Quinoxyfen	Good
Temperature	High	High
Terbutryn	Good
Tributyltin Compounds	Fail
Zinc	High