sampling point
R.Alde Swefling Bridge

Description	R.ALDE SWEFLING BRIDGE
Sampling point ID	AN-ALD010
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 635300 263000 lat lon: 52.214923, 1.443024
Area	Essex Norfolk And Suffolk
Sub-Area	Norfolk & Suffolk Team Sub Area
Summary	86 samples taken between 2007 and 2000

Determinands identify a property which can be measured on a sample or the sampling environment, together with the units in which the result of that measurement will be expressed.

19 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
Chloride Ion
Cond @ 20C
Cond @ 25C
N Inorganic
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Temp Water
Turbidity
TurbidityNTU
pH
pH Inst unit

Displaying the twenty most recent samples. You can see all 86 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 4 May 2006 to 7 Feb 2007

Notation	Determinand	Units	4 May 2006 10:55	5 Jun 2006 10:05	30 Jun 2006 10:10	21 Jul 2006 11:25	31 Aug 2006 11:03	10 Oct 2006 11:15	30 Oct 2006 11:10	24 Nov 2006 11:18	4 Jan 2007 09:05	7 Feb 2007 09:20
0061	pH		7.76	8.04	7.86	7.97	7.76	7.88	7.94	7.78	8.1	8.03
0062	Conductivity at 20 C	μs/cm	781	815	807	808	763	813	952	799	898	908
0076	Temperature of Water	°C	14.46	13.78	13.7	19.8	14.09	14.15	11.88	8.52	7.44	0.05
0085	BOD : 5 Day ATU	mg/l	1.3	< 1	< 1	1.5	4	< 1	< 1	1.3	< 1	1.6
0111	Ammoniacal Nitrogen as N	mg/l	0.054	0.114	0.042	0.053	< 0.03	< 0.03	0.037	0.055	0.031	0.077
0116	Nitrogen, Total Oxidised as N	mg/l	2.07	3.68	2.02	1.16	3.54	1.68	13	20.3	15.2	8.22
0117	Nitrate as N	mg/l	2.04	3.58	2	1.14	3.53	1.67	12.9	20.2	15.2	8.19
0118	Nitrite as N	mg/l	0.0324	0.0989	0.0245	0.0184	0.011	0.008	0.081	0.0612	0.0353	0.0339
0119	Ammonia un-ionised as N	mg/l	0.00079	0.00274	0.00073	0.00184	< 0.00043	< 0.00057	0.00068	0.00055	0.00047	0.00067
0172	Chloride	mg/l	60.7	55.4	57.3	59	56.5	59	66.6	51.5	60.9	66.6
0180	Orthophosphate, reactive as P	mg/l	0.044	0.107	0.089	0.093	0.112	0.08	0.095	0.142	0.086	0.087
6396	Turbidity	ntu	4.45	3.7	10.6	6.6	12.1	3.8	3.1	11.7	3.6	8
9901	Oxygen, Dissolved, % Saturation	%	111.9	57	71.8	90.9	78.1	56.4	66.8	68.5	81.8	83.4
9924	Oxygen, Dissolved as O2	mg/l	11.4	5.88	7.43	8.27	8.01	5.78	7.2	7.99	9.8	12.1

Samples from 1 Jul 2005 to 3 Apr 2006

Notation	Determinand	Units	1 Jul 2005 10:45	25 Jul 2005 11:45	3 Oct 2005 10:45	10 Oct 2005 10:37	3 Nov 2005 11:12	24 Nov 2005 11:05	9 Jan 2006 10:45	1 Feb 2006 10:12	28 Feb 2006 10:20	3 Apr 2006 10:37
0061	pH		7.4	7.74	7.89	7.89	8.06	7.59	7.71	7.7	8.26	7.73
0062	Conductivity at 20 C	μs/cm	767	778	835	835	664	869	880	863	859	823
0068	Turbidity	ftu	3.3	5.2		3.2
0076	Temperature of Water	°C	15.59	15.45	10.02	11.25	13.7	5.63	4.67	4.71	3.52	9.01
0085	BOD : 5 Day ATU	mg/l	1.5	2.67	< 1	< 1	1.87	< 1	< 1	1.09	1.7	1.2
0111	Ammoniacal Nitrogen as N	mg/l	0.071	0.07	< 0.03	< 0.03	0.051	0.057	0.075	0.067	0.082	0.033
0116	Nitrogen, Total Oxidised as N	mg/l	2.43	2.32	3.14	2.74	11.9	3.92	8.99	5.75	9.24	3.67
0117	Nitrate as N	mg/l	2.39	2.28	3.13	2.73	11.9	3.88	8.96	5.71	9.21	3.65
0118	Nitrite as N	mg/l	0.044	0.0387	0.0091	0.0096	0.0336	0.0403	0.0283	0.0352	0.0338	0.0204
0119	Ammonia un-ionised as N	mg/l	0.0005	0.00106	< 0.00043	< 0.00047	0.00122	0.0003	0.00048	0.00042	0.00093	0.0003
0172	Chloride	mg/l	53.5	53.8	56.4	57.6	32.3	58.6	57	56.9	53.8	67.5
0180	Orthophosphate, reactive as P	mg/l	0.103	0.116	0.088	0.08	0.174	0.094	0.095	0.083	0.069	0.057
6396	Turbidity	ntu			3.8		82.8	7.2	3.5	5.1	4.1	3.5
9901	Oxygen, Dissolved, % Saturation	%	68.2	71.6	67.4	62	87	93.3	92.4	112.1	89.1	96.1
9924	Oxygen, Dissolved as O2	mg/l	6.77	7.13	7.59	6.78	9	11.7	11.9	14.4	11.8	11.1

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sampling point R.Alde Swefling Bridge

Determinands

Sampling results

Samples from 4 May 2006 to 7 Feb 2007

Samples from 1 Jul 2005 to 3 Apr 2006

sampling point
R.Alde Swefling Bridge