sampling point
Franks Bridge R Darent

Description	FRANKS BRIDGE, FRANKS LANE, HORTON KIRBY, RIVER DARENT WFD SITE
Sampling point ID	SO-E0004731
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 555628 167893 lat lon: 51.388739, 0.235303
Area	Kent And South London
Sub-Area	L&W Thames And South London Ksl
Summary	39 samples taken between 2010 and 2007

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
Cond @ 20C
Cond @ 25C
Copper - Cu
Cu Filtered
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Oil & Grs Vs
Orthophospht
Oxygen Diss
Temp Water
Zinc - as Zn
Zn- Filtered
pH

Displaying the twenty most recent samples. You can see all 39 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 8 Jun 2009 to 30 Mar 2010

Notation	Determinand	Units	8 Jun 2009 11:27	13 Jul 2009 12:30	20 Aug 2009 10:52	18 Sep 2009 11:31	30 Oct 2009 11:12	16 Nov 2009 12:12	17 Dec 2009 10:50	6 Jan 2010 11:07	8 Feb 2010 09:16	30 Mar 2010 11:28
0061	pH		8.3	8.45	8.2	8.11	8.17	8.03	8.33	8	8.22	8.16
0076	Temperature of Water	°C	14.17	18	18.98	13.24	12.14	10.39	3.92	2.72	4.97	9.85
0077	Conductivity at 25 C	μs/cm	570	522	446	523	540	509	559	714	662	571
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.036	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	3.06	2.12	1.25	2.3	1.33	1.92	3.76	4.71	4.7	3.94
0117	Nitrate as N	mg/l	3.04	2.11	1.24	2.3	1.33	1.9	3.73	4.68	4.68	3.92
0118	Nitrite as N	mg/l	0.0213	0.013	0.0083	0.005	< 0.004	0.0186	0.0307	0.0277	0.0179	0.018
0119	Ammonia un-ionised as N	mg/l	< 0.00074	< 0.00098	< 0.00105	< 0.00069	< 0.00064	< 0.00056	< 0.00035	0.00038	< 0.00038	< 0.00054
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	179	155	101	172	169	137	187	182	191	185
0180	Orthophosphate, reactive as P	mg/l	0.031	0.023	0.031	0.041	< 0.02	0.038	0.055	0.061	0.085	0.039
6450	Copper, Dissolved	μg/l	2.2	2	1.8	1.4	2.1	2	2.1	1.93	2.3	2.9
6455	Zinc	μg/l	< 5	< 5	< 5	< 5	< 5	5.8	< 5	7.23	28.8	12.3
9901	Oxygen, Dissolved, % Saturation	%	104.3	94.9	90.7	103.3	95	98.7	106.3	97.4	98.7	100.6
9924	Oxygen, Dissolved as O2	mg/l	10.7	8.96	8.4	10.8	10.2	11	13.9	13.2	12.6	11.4

Samples from 19 Aug 2008 to 7 May 2009

Notation	Determinand	Units	19 Aug 2008 11:07	8 Sep 2008 10:57	26 Sep 2008 11:36	19 Nov 2008 11:10	10 Dec 2008 11:11	6 Jan 2009 11:24	11 Feb 2009 11:42	18 Mar 2009 11:32	7 Apr 2009 11:16	7 May 2009 11:15
0061	pH		8.29	8.18	8.3	8.14	8.2	7.95	7.62	8.52	8.32	8.12
0076	Temperature of Water	°C	16.8	15.23	12.66	8.61	3.66	1.33	3.63	10.09	11.74	13.64
0077	Conductivity at 25 C	μs/cm	501	497	530	565	632	674	569	632	591	587
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	0.031	< 0.03	0.048	< 0.03	< 0.03	0.035
0116	Nitrogen, Total Oxidised as N	mg/l	1.86	1.81	2.09	2.71	3.54	4.33	3.76	4.73	4.4	3.9
0117	Nitrate as N	mg/l	1.85	1.8	2.08	2.68	3.51	4.31	3.75	4.72	4.38	3.88
0118	Nitrite as N	mg/l	0.0088	0.0105	0.0061	0.0307	0.0316	0.0176	0.0148	0.0127	0.0177	0.0245
0119	Ammonia un-ionised as N	mg/l	< 0.0009	< 0.0008	< 0.00066	< 0.00049	0.00035	< 0.00026	0.00023	< 0.00055	< 0.00062	0.00083
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	154	158	171	174	193	223	149	202	180	165
0180	Orthophosphate, reactive as P	mg/l	0.031	0.043	0.059	0.047	0.043	0.042	0.106	< 0.02	< 0.02	< 0.02
6450	Copper, Dissolved	μg/l	2.3	2.1	1.9	1.9	2.3	2.5	5.2	2	3.1	4.2
6455	Zinc	μg/l	< 5	< 5	< 5	16.7	< 5	< 5	14.4	< 5	14.2	6.4
9901	Oxygen, Dissolved, % Saturation	%	89.5	101.1	104.8	102.3	94.1	104	99	110.9	107.6	90.1
9924	Oxygen, Dissolved as O2	mg/l	8.66	10.1	11.1	11.9	12.4	14.6	13.1	12.5	11.6	9.34

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sampling point Franks Bridge R Darent

Determinands

Sampling results

Samples from 8 Jun 2009 to 30 Mar 2010

Samples from 19 Aug 2008 to 7 May 2009

sampling point
Franks Bridge R Darent