From: [[https://www.gov.uk/guidance/surface-water-pollution-risk-assessment-for-your-environmental-permit]]

Estuaries and coastal waters specific pollutants and operational environmental quality standards (EQS)

This worksheet contains one table.

Some abbreviations are used in this table, O is operational, SP is specific pollutant.
|0,0 Substance|0,0 Annual average EQS (micrograms per litre)|0,0 Maximum allowable concentration EQS (micrograms per litre)|0,0 Category|
|0,0 Abamectin|0,0 0.003|0,0 0.01|0,0 O|
|0,0 Ammonia - un-ionised|0,0 21|0,0 Not applicable|0,0 SP|
|0,0 Arsenic|0,0 25|0,0 Not applicable|0,0 SP|
|0,0 Azinphos methyl - dissolved|0,0 0.01|0,0 Not applicable|0,0 O|
|0,0 Bentazone|0,0 500|0,0 Not applicable|0,0 O|
|0,0 Benzyl butyl phthalate|0,0 0.75|0,0 10 (95th percentile)|0,0 SP|
|0,0 Biphenyl|0,0 25|0,0 Not applicable|0,0 O|
|0,0 Boron|0,0 7,000|0,0 Not applicable|0,0 O|
|0,0 Bromine -total residual oxidant|0,0 Not applicable|0,0 10|0,0 O|
|0,0 Bromoxynil|0,0 100|0,0 1,000|0,0 O|
|0,0 Carbendazim|0,0 Not applicable|0,0 Not applicable|0,0 SP|
|0,0 Chloride|0,0 Not applicable|0,0 Not applicable|0,0 O|
|0,0 Chlorine|0,0 Not applicable|0,0 10 (95th percentile concentration of total residual oxidant)|0,0 SP|
|0,0 4-chloro-3-methylphenol|0,0 40|0,0 Not applicable|0,0 O|
|0,0 Chloronitro toluenes|0,0 10|0,0 Not applicable|0,0 O|
|0,0 2-chlorophenol|0,0 50|0,0 Not applicable|0,0 O|
|0,0 3-chlorophenol 4-chlorophenol - total or individual monochlorophenols|0,0 50|0,0 250|0,0 O|
|0,0 Chlorothalonil|0,0 Not applicable|0,0 Not applicable|0,0 SP|
|0,0 Chlorotoluron|0,0 2|0,0 Not applicable|0,0 O|
|0,0 Chlorpropham|0,0 10|0,0 40|0,0 O|
|0,0 Chromium (III) - dissolved|0,0 Not applicable|0,0 Not applicable|0,0 SP|
|0,0 Chromium (VI) - dissolved|0,0 0.6|0,0 32 (95th percentile)|0,0 SP|
|0,0 Cobalt - dissolved|0,0 3|0,0 100|0,0 O|
|0,0 Copper - dissolved (Dissolved organic carbon (DOC) less than or equal to 1 milligram per litre (mg/l))|0,0 3.76|0,0 Not applicable|0,0 SP|
|0,0 Copper - dissolved (Dissolved organic carbon (DOC) greater than 1mg/l)|0,0  3.76 + (2.677 x ((DOC/2) –0.5)) μg/l |0,0 Not applicable|0,0 SP|
|0,0 Coumaphos|0,0 0.03|0,0 0.1|0,0 O|
|0,0 Cyanide|0,0 1|0,0 5 (95th percentile)|0,0 SP|
|0,0 Cyfluthrin|0,0 Not applicable|0,0 0.001 (95th percentile)|0,0 O|
|0,0 Cypermethrin|0,0 0.0001|0,0 0.0004 (95th percentile)|0,0 SP|
|0,0 Demetons|0,0 0.5|0,0 Not applicable|0,0 O|
|0,0 Diazinon (sheep dip)|0,0 0.01|0,0 0.26 (95th percentile)|0,0 SP|
|0,0 Dibutyl phthalate|0,0 8|0,0 40|0,0 O|
|0,0 3,4-dichloroaniline|0,0 0.2|0,0 5.4 (95th percentile)|0,0 SP|
|0,0 Dichlorobenzene - total dichlorobenzene isomers|0,0 20|0,0 200|0,0 O|
|0,0 2,4-dichlorophenol|0,0 0.42|0,0 6 (95th percentile)|0,0 SP|
|0,0 2,4-dichlorophenoxyacetic acid (2,4-D)|0,0 0.3|0,0 1.3 (95th percentile)|0,0 SP|
|0,0 Dichlorvos|0,0 0.04|0,0 0.6|0,0 O|
|0,0 Diethyl phthalate|0,0 200|0,0 1,000|0,0 O|
|0,0 Diflubenzuron|0,0 0.005|0,0 0.1|0,0 O|
|0,0 Dimethoate|0,0 0.48|0,0 4 (95th percentile)|0,0 SP|
|0,0 Dimethyl phthalate|0,0 800|0,0 4,000|0,0 O|
|0,0 Dioctyl phthalate|0,0 20|0,0 40|0,0 O|
|0,0 Doramectin|0,0 0.001|0,0 0.1|0,0 O|
|0,0 EDTA|0,0 400|0,0 4,000|0,0 O|
|0,0 Fenchlorphos|0,0 0.03|0,0 0.1|0,0 O|
|0,0 Fenitrothion|0,0 0.01|0,0 Not applicable|0,0 O|
|0,0 Flucofuron|0,0 Not applicable|0,0 1 (95th percentile)|0,0 O|
|0,0 Fluoride - dissolved|0,0 5,000|0,0 15,000|0,0 O|
|0,0 Formaldehyde|0,0 Not applicable|0,0 Not applicable|0,0 O|
|0,0 Glyphosate|0,0 196|0,0 398 (95th percentile)|0,0 SP|
|0,0 Hydrogen sulphide|0,0 Not applicable|0,0 10|0,0 O|
|0,0 Ioxynil|0,0 10|0,0 100|0,0 O|
|0,0 Iron - dissolved|0,0 1,000|0,0 Not applicable|0,0 SP|
|0,0 Ivermectin|0,0 0.001|0,0 0.01|0,0 O|
|0,0 Linuron|0,0 0.5|0,0 0.9 (95th percentile)|0,0 SP|
|0,0 Malachite green|0,0 0.5|0,0 100|0,0 O|
|0,0 Malathion|0,0 0.02|0,0 Not applicable|0,0 O|
|0,0 Mancozeb|0,0 2|0,0 20|0,0 O|
|0,0 Maneb|0,0 3|0,0 30|0,0 O|
|0,0 Manganese|0,0 Not applicable|0,0 Not applicable|0,0 SP|
|0,0 MCPA|0,0 80|0,0 800|0,0 O|
|0,0 Mecoprop|0,0 18|0,0 187 (95th percentile)|0,0 SP|
|0,0 Methiocarb|0,0 Not applicable|0,0 Not applicable|0,0 SP|
|0,0 Mevinphos|0,0 Not applicable|0,0 Not applicable|0,0 O|
|0,0 Nitrilotriacetic acid (NTA)|0,0 3,000|0,0 30,000|0,0 O|
|0,0 Omethoate|0,0 Not applicable|0,0 Not applicable|0,0 O|
|0,0 PCSDs|0,0 Not applicable|0,0 0.05 (95th percentile)|0,0 O|
|0,0 Pendimethalin|0,0 Not applicable|0,0 Not applicable|0,0 SP|
|0,0 Permethrin|0,0 0.0002|0,0 0.001 (95th percentile)|0,0 SP|
|0,0 pH|0,0 Not applicable|0,0 6Not applicable8.5 (95th percentile)|0,0 O|
|0,0 Phenol|0,0 7.7|0,0 46 (95th percentile)|0,0 SP|
|0,0 Pirimicarb|0,0 1|0,0 5|0,0 O|
|0,0 Pirimiphos-methyl|0,0 0.015|0,0 0.05|0,0 O|
|0,0 Prochloraz|0,0 4|0,0 40|0,0 O|
|0,0 Propetamphos|0,0 0.03|0,0 0.1|0,0 O|
|0,0 Propyzamide|0,0 100|0,0 1,000|0,0 O|
|0,0 Silver - dissolved|0,0 0.5|0,0 1|0,0 O|
|0,0 Sulcofuron|0,0 Not applicable|0,0 25 (95th percentile)|0,0 O|
|0,0 Sulphate|0,0 Not applicable|0,0 Not applicable|0,0 O|
|0,0 Styrene|0,0 50|0,0 500|0,0 O|
|0,0 Tecnazene - total|0,0 1|0,0 10|0,0 O|
|0,0 Tetrachloroethane|0,0 Not applicable|0,0 Not applicable|0,0 SP|
|0,0 Thiabendazole|0,0 5|0,0 50|0,0 O|
|0,0 Tin (inorganic) - dissolved|0,0 10|0,0 Not applicable|0,0 O|
|0,0 Toluene|0,0 74|0,0 370 (95th percentile)|0,0 SP|
|0,0 Total anions|0,0 Not applicable|0,0 Not applicable|0,0 O|
|0,0 Triallate|0,0 0.25|0,0 5|0,0 O|
|0,0 Triazaphos|0,0 0.005|0,0 Not applicable|0,0 O|
|0,0 Tributyl phosphate|0,0 50|0,0 500|0,0 O|
|0,0 1,1,1-trichloroethane|0,0 100|0,0 Not applicable|0,0 O|
|0,0 Triclosan|0,0 0.1|0,0 0.28 (95th percentile)|0,0 SP|
|0,0 Triphenyltin and its derivatives|0,0 Not applicable|0,0 0.008|0,0 O|
|0,0 1,1,2-trichloroethane|0,0 300|0,0 Not applicable|0,0 O|
|0,0 Vanadium|0,0 100|0,0 Not applicable|0,0 O|
|0,0 Xylene|0,0 30|0,0 Not applicable|0,0 O|
|0,0 Zinc - dissolved plus ambient background concentration. For saltwater, an Ambient Background Concentration of 1.1 µg/l is recommended.|0,0 6.8|0,0 Not applicable|0,0 SP|