CALDER AT METHLEY BRIDGE Monitoring Site

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Classification Item	2019	2022
2,4-dichlorophenol	High
Acid Neutralising Capacity	High	High
Aclonifen	Good
Alachlor	Good
Aldrin, Dieldrin, Endrin & Isodrin	Good
Ammonia (Phys-Chem)	Good	Good
Arsenic	High
Atrazine	Good
Benzo(b)fluoranthene	Good
Benzo(g-h-i)perylene	Good
Benzo(k)fluoranthene	Good
Bifenox	Good
Biochemical Oxygen Demand (BOD)	Bad	Bad
Cadmium and Its Compounds	Good
Chlorfenvinphos	Good
Chlorothalonil	High
Chromium (VI)	High
Copper	High
Cybutryne	Good
Cypermethrin (Priority)	Fail
Diazinon	Moderate
Dichlorvos (Priority)	Good
Dimethoate	High
Dissolved oxygen	High	High
Hexachlorocyclohexane	Good
Iron	High
Lead and Its Compounds	Good
Manganese	High
Nickel and Its Compounds	Good
Pendimethalin	High
Pentachlorobenzene	Good
Pentachlorophenol	Good
Permethrin	High
Phenol	High
Phosphate	Poor	Poor
Quinoxyfen	Good
Simazine	Good
Temperature	High	High
Terbutryn	Good
Trichlorobenzenes	Good
Trichloromethane	Good
Zinc	High