appendix E2

Page Last modified 20 Apr 2016, 02:32 PM

Table E.2

Variations in requirements for sampling frequency and period specified in directives and international agreements

Frequency Period Directives
Biota
1. DIRECTIVES
NS NS Aldrin (88/347/EEC)

Proposed Ecological Directive (COM(93) 680)

Dichloroethane (90/415/EEC)

Shellfish Waters (79/923/EEC) (Taste and saxitoxin)

Half yearly Over 1 year Shellfish Waters (79/923/EEC) (Metals and organohalogenated substances)
1 Over 1 year Titanium Dioxide (82/883/EEC)
Sufficient 1 Not specified Cadmium (83/513/EEC)

HCH (84/491/EEC)

Mercury (82/176/EEC)

Carbon tetrachloride (86/280/EEC)(PCP)

Quarterly Over 1 year Shellfish Waters (79/923/EEC) (Physicochemical and faecal coliforms)
Monthly Over 1 year Shellfish Waters (79/923/EEC) (Dissolved oxygen and salinity)
2. INTERNATIONAL AGREEMENTS
NS4 NS4 Baltic Sea (Helsinki) 1974/92 (PAHs, dibenzodioxins, dibenzofurans and polychlorinated camphenes)
Variable according to determinands Whole year Rhine 1976

Elbe 1990

1 Seasonal/whole year North Sea (NSTF) 1987
1 August-September Baltic Sea (Helsinki) 1974/92 (HCH, HCB, PCBs, DDT, DDE, DDD, mercury, zinc, chlordanes)
1 All year Danube (Regensburg) 1987
2 All year Technical Co-operation (Bu/Gr) 19915
4 All year Technical Co-operation (Bu/Gr) 19915
12 Preferably in the morning Baltic Sea (Helsinki) 1974/92 (Micro-organisms)
12 Summer (throughout the productive season) Baltic Sea (Helsinki) 1974/92 (Phytoplankton)
12 All year Water Economy (Au/Hu) 1956
Every 2 years All year North East Atlantic (OSPAR) 1992
Sediment
1. DIRECTIVES
NS NS Aldrin (88/347/EEC)

Carbon tetrachloride (86/280/EEC)

Proposed Ecological Directive (COM(93) 680)

Dichloroethane (90/415/EEC)

1 Over 1 year Titanium Dioxide (82/883/EEC)

Table E.2 continued

Frequency Period Directives
Sufficient 1 NS Cadmium (83/513/EEC)

HCH (84/491/EEC)

Carbon tetrachloride (86/280/EEC)(PCP)

2. INTERNATIONAL AGREEMENTS
Variable according to determinands Whole year Rhine 1976

Elbe 1990

1 Whole year North Sea (NSTF) 1987
1 Late winter-early spring Baltic Sea (Helsinki) 1974/92 (Macro-zoobenthos)
1 All year Drava 1954

Water economy (Au/Hu) 1956

2 All year Water economy (Au/Hu) 1956
5 Linked to sugar harvest Frontier waters (Au/Cz) 1970
12 Summer (throughout the productive season) Baltic Sea (Helsinki) 1974/92 (Zoobenthos)
12 All year Water Economy (Au/Hu) 1956
2 weeks - 3 years Variable - Intensive between October and March Mura 1954
Water
1. DIRECTIVES
NS NS Dichloroethane (90/415/EEC)

Aldrin (88/347/EEC)

Carbon tetrachloride (86/280/EEC)

Mercury (84/156/EEC)

UWWT (91/271/EEC)

Proposed Ecological Directive (COM(93) 680)

Sampling and Analysis (79/869/EEC) (As, Ba, Be, BOD, NH3, Bo, Cd, Cl)

1 Over 1 year Titanium Dioxide (82/883/EEC) (Ca, Cl, Crgw, Cugw , Fe gw, Pbgw, Mn, Ni, pH, SO4, Ti, Vn, Zn)

Sampling and Analysis (79/869/EEC) (NH3, As, Ba, BOD, Bo, Cd, Cl)

2 Over 1 year Sampling and analysis (79/869/EEC) (NH3, As, Ba, BOD, Cd, Cu)
3 Over 1 year Titanium Dioxide (82/883/EEC) (Cd, Crsw, Conductivity, Cusw, DO, hydrated oxides, Fesw, Pbsw, Mngw, Hggw, Ni, pH, salinity, SS, temperature, Ti, turbidity, Vn, Zn)

Sampling and Analysis (79/869/EEC)2

4 Over 1 year Sampling and Analysis (79/869/EEC)2
6 Over 1 year Sampling and Analysis (79/869/EEC)2
8 Over 1 year Sampling and Analysis (79/869/EEC)2
12 Over 1 year Sampling and Analysis (79/869/EEC)2
4 NS Sampling and Analysis (79/869/EEC)2 (NH3, BOD, Cl)
6 NS Sampling and Analysis (79/869/EEC)2 (NH3, BOD, Cl)
8 NS Sampling and Analysis (79/869/EEC)2 (NH3, BOD, Cl)

Table E.2 continued

Frequency Period Directives
12 NS Sampling and Analysis (79/869/EEC)2 (NH3, BOD, Cl)
Fortnightly 2 weeks before start of bathing season Bathing Water (76/160/EEC) (Total and faecal coliforms, colour, mineral oil, surfactants, phenol, transparency, tarry residue)

Proposed Bathing Water (COM(94)36) (E coli, faecal streptococci, dissolved oxygen, pH, colour, mineral oil, surfactants, phenol, transparency, tarry residue)

Monthly Before start of bathing season Proposed Bathing Water (COM(94)36) (Enteroviruses)
When substance thought to be present or when water quality deteriorated 2 weeks before start of bathing season Bathing Water (76/160/EEC) (Faecal streptococci, salmonella, enteroviruses, colour mineral oil surfactants, pH, phenol, dissolved oxygen, pesticides, nitrate and phosphate, cyanide, heavy metals)
When tendency for eutrophication of water 2 weeks before start of bathing season Bathing Water (76/160/EEC) (Ammonia and Kjeldahl nitrogen)
NS Over 1 year Freshwater Fish (78/659/EEC) (BOD, Cu dissolved, phenolic compounds, total phosphorus, nitrite, suspended solids)

Shellfish Waters (79/923/EEC) (Saxitoxin and taste)

Weekly Over 1 year Freshwater Fish (78/659/EEC) (Temperature)
Monthly Over 1 year Freshwater Fish (78/659/EEC) (Dissolved oxygen, NH3 petroleum hydrocarbons, total zinc, residual chlorine, pH)

Shellfish Waters (79/923/EEC) (Dissolved oxygen, salinity)

Half yearly Over 1 year Shellfish Waters (79/923/EEC) (Metals and organohalogenated substances)
Sufficient4 NS Cadmium (83/513/EEC)

HCH (84/491/EEC)

Mercury (82/176/EEC)

Every 6 months Operating and aftercare phases Proposed Landfill Directive (COM (93) 275) (Composition and level of groundwater)
Once Once before exploitation of source Drinking Water (80/778/EEC)
Quarterly Over 1 year Shellfish Waters (79/923/EEC) (Colour, faecal coliforms, petroleum hydrocarbons, pH, SS, temperature)
Monthly and more frequently in flood periods Over 1 year 3 and then every 4 or 8 years Nitrates (91/676/EEC) (Surface water quality)
Regular intervals Over 1 year 3 and then every 4 or 8 years Nitrates (91/676/EEC) (Groundwater)
Every 4 years NS Nitrates (91/676/EEC) (Eutrophic state)
2. INTERNATIONAL AGREEMENTS
NS NS Moselle 1961

Sarre 1961

Frontier Water Courses (Fi/Ru) 1964

Lake Constance (water withdrawal) 1966

Baltic Sea (Helsinki) 1974/924 (Tin compounds)

Danube (Bucharest) 1985 (COD)

Danube (Regensburg) 1987

North Sea (Conference) 1990

Technical Co-operation (Bu/Gr) 1991 (Radioactivity)

North East Atlantic (OSPAR) 1992


Table E.2 continued

Frequency Period Directives
NS All year Rhine-(hydrology) 1989
Variable according to determinands Whole year Rhine 1976

Elbe 1990

1 Whole year North Sea (NSTF) 1987
1 None Baltic Sea (Helsinki) 1974/92 (DDT, lindane)
1 Research needed Baltic Sea (Helsinki) 1974/92 (Metals)
1 Summer Baltic Sea (Helsinki) 1974/92 (Hydrocarbons)
1 All year Drava 1954
2 All year Water Economy (Au/Hu) 19566
4 All year Danube (Regensburg) 1987

Technical Co-operation (Bu/Gr) 19915

5 Linked to sugar harvest Frontier waters (Au/Hu) 1970
1-6 Winter North Sea (NSTF) 1987
6 Four seasons Baltic Sea (Helsinki) 1974/92 (Physico-chemical determinands)
6 Late summer-autumn Baltic Sea (Helsinki) 1974/92 (Oxygen)
6 Winter Baltic Sea (Helsinki) 1974/92 (Nutrients)
6-12 All year Frontier waters (Au/Sl) 1970 7

Technical Co-operation (Bu/Gr) 1991

12 All year Water economy (Au/Hu) 1956

Danube (Bucharest) 19858

Danube (Regensburg) 1987

North Sea (Conference) 1990

Technical Co-operation (Bu/Gr) 19919 (Flow)

10-14 All year Lake Constance 1960
Every 7-10 days All year Technical Co-operation (Bu/Gr) 199110
2 weeks - 3 years Variable - Intensive between October and March Mura 1954
Continuously All year Technical Co-operation (Bu/Gr) 1991 (River level)
Continuously At the end of the first phase Technical Co-operation (Bu/Gr) 1991(Ammonia, nitrate, chromium VI, cyanides, hydrocarbons, manganese
Continuously Since the implementation Technical Co-operation (Bu/Gr) 1991 (Conductivity, dissolved oxygen, pH, temperature, turbidity)

Notes: 1 Sufficient to show any changes in aquatic environment having regard to natural variations in hydrological conditions

2 Dependent on population served, classification of water (A1, A2, A3) and type of determinand

3 Over 1 year within 2 years of notification of Directive and then every 4 years or every 8 years if below 25 mg NO3 l-1

4 To be investigated in the future

5 more frequently if alert

6 Sampling begins 1997

7 Lowest frequency for Danube, highest for the river March

8 Monitoring started in 1988

9 For flow, mean value for 1 hour more frequently during flood

10 For mobile stations

ns Not specified

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