sampling point
G.U.C. At Tring

Description	G.U.C. AT TRING
Sampling point ID	TH-PCNR0051
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 494890 212076 lat lon: 51.799283, -0.625333
Area	Hertfordshire And North London
Sub-Area	L&W Herts & North London
Summary	170 samples taken between 2014 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.

31 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
CHLOR A
CHLOROPHYLL
Calcium - Ca
Chloride Ion
Cond @ 20C
Cond @ 25C
Copper - Cu
Cu Filtered
Hardness
Magnesium-Mg
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Oil & Grs Vs
Orthophospht
Oxygen Diss
Phenol Odour
SI-EC-F
SI-GQA
Sld Sus@105C
Temp Water
Type of Flow
Zinc - as Zn
pH
pH in-situ

Displaying the twenty most recent samples. You can see all 170 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 11 Apr 2013 to 14 Jan 2014

Notation	Determinand	Units	11 Apr 2013 10:19	14 May 2013 10:38	5 Jun 2013 09:42	18 Jul 2013 10:29	1 Aug 2013 14:10	3 Sep 2013 12:25	3 Oct 2013 11:53	13 Nov 2013 13:20	3 Dec 2013 10:04	14 Jan 2014 13:19
0061	pH			7.95	7.88	7.66	7.61	7.62	7.57	7.41	7.52
0076	Temperature of Water	°C		11.3	12.5	19	18.9	17.1	14.1	7.6	5.8
0085	BOD : 5 Day ATU	mg/l		5.35	5.31	2.89	3.08
0111	Ammoniacal Nitrogen as N	mg/l		< 0.03	0.034	0.147	0.235	0.133	0.128	0.041	0.058
0118	Nitrite as N	mg/l		0.0188	0.0202	0.0462	0.0337	0.031	0.022	0.0287	0.0429
0119	Ammonia un-ionised as N	mg/l		< 0.00054	0.00057	0.0024	0.0034	0.00173	0.00119	0.00016	0.00026
0135	Solids, Suspended at 105 C	mg/l		20	22.5	43.4	29.3	30.5	13.1	6.87	3.55
0664	Visible oil or grease, significant trace: Present/Not found (1/0)	pres/nf		0	0	0	0	0	0	0	0
6450	Copper, Dissolved	μg/l		1.28	1.36	< 1	< 1	1.39	1.07	1.18	1.27
6455	Zinc	μg/l		5.58	5.96	6.61	6	6.07	< 5	< 5	< 5
6841	Phenolic Odour	pres/nf		0	0	0	0	0	0	0	0
7887	Chlorophyll : Acetone Extract	μg/l	34.8	112	103	50.8	36.9	43.3	33.2	15.2	13.5	3.6
9901	Oxygen, Dissolved, % Saturation	%		169.7	125	49.8	49.4	61.7	58.8	45.9	50.6
9924	Oxygen, Dissolved as O2	mg/l		18.5	13.3	4.61	4.58	5.94	6.03	5.48	6.32

Samples from 17 Jul 2012 to 3 Apr 2013

Notation	Determinand	Units	17 Jul 2012 10:03	9 Aug 2012 11:32	14 Sep 2012 16:09	4 Oct 2012 11:33	1 Nov 2012 13:19	23 Nov 2012 10:45	15 Jan 2013 11:44	30 Jan 2013 12:21	28 Feb 2013 11:06	3 Apr 2013 09:55
0061	pH		7.96	7.6	7.56	7.55	7.64	7.61	7.81	7.72	7.73	7.69
0076	Temperature of Water	°C	15.5	16.4	13.9	12.1	8.7	8.2	4.9	7.3	5.2	5.7
0085	BOD : 5 Day ATU	mg/l	4.4	4.8	1.8	1.4	2.47	1.29	1.59	< 1	3.98	1.13
0111	Ammoniacal Nitrogen as N	mg/l	0.128	0.251	0.039	0.053	< 0.03	0.056	< 0.03	< 0.03	< 0.03	< 0.03
0118	Nitrite as N	mg/l	0.0269	0.0328	0.0198	0.0104	0.0204	0.0276	0.0201	0.0114	0.007	0.005
0119	Ammonia un-ionised as N	mg/l	0.00319	0.00296	0.00035	0.00041	< 0.00022	0.00037	< 0.00024	< 0.00024	< 0.00021	< 0.0002
0135	Solids, Suspended at 105 C	mg/l	26.8	34.7	23.1	19.7	14.3	4.48	5.25	9.68	6.35	4.72
0664	Visible oil or grease, significant trace: Present/Not found (1/0)	pres/nf	0	0	0	0	0	0	0	0	0	0
6450	Copper, Dissolved	μg/l	1.07	< 1	< 1	< 1	1.8	1.4	1.5	1.83	1.3	< 1
6455	Zinc	μg/l	10	5.3	5.62	< 5	5.23	< 5	7.01	5.83	7.17	< 5
6841	Phenolic Odour	pres/nf	0	0	0	0	0	0	0	0	0	0
7887	Chlorophyll : Acetone Extract	μg/l	98.7	37.2	47.4	22.5	3.6	4.9	23	8	36.9
9901	Oxygen, Dissolved, % Saturation	%	75	67.8	68	67	58.1	64	91.8	88.6	107.3	108.3
9924	Oxygen, Dissolved as O2	mg/l	7.46	6.62	7.01	7.19	6.75	7.53	11.7	10.7	13.6	13.6

Tell us whether you accept cookies

sampling point G.U.C. At Tring

Determinands

Sampling results

Samples from 11 Apr 2013 to 14 Jan 2014

Samples from 17 Jul 2012 to 3 Apr 2013

sampling point
G.U.C. At Tring