sampling point
Pond Farm Ditch Just Below Purton Stw

Description	POND FARM DITCH JUST BELOW PURTON STW
Sampling point ID	TH-PUTR0287
Type	Freshwater – Unspecified
Status	open
Location	easting northing: 408900 189280 lat lon: 51.602286, -1.872886
Area	West Thames
Sub-Area	L&W North Wt
Summary	13 samples taken between 2018 and 2017

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.

27 determinands have been measured at this site

B-[a]-pyrene
B-[b]-fluora
B-[ghi]-pery
B-[k]-fluora
C - Org Filt
Ca Filtered
Cd Filtered
Cr- Filtered
Cu BLM Bio
Cu Filtered
Fe- Filt
Fluoranthene
HBCDD
Ind123pyrene
Mg Filtered
Mn BLM Bio
Mn- Filtered
Ni BLM Bio
Ni- Filtered
PFOS
Pb BLM Bio
Pb Filtered
TriBT Cation
Zn BLM Bio
Zn- Filtered
pFoctanoate
pH

Samples from 14 Aug 2017 to 12 Mar 2018

Notation	Determinand	Units	14 Aug 2017 10:04	31 Aug 2017 11:52	29 Sep 2017 11:18	20 Oct 2017 10:43	26 Oct 2017 11:04	15 Nov 2017 10:56	1 Dec 2017 11:12	19 Jan 2018 12:38	9 Feb 2018 13:37	12 Mar 2018 11:21
0052	Lead, Dissolved	μg/l	0.18	0.177	0.234	0.289	0.229	0.22	0.291	0.284	0.353	0.638
0061	pH		7.48	7.49	7.61	7.56	7.53	7.6	7.66	7.72	7.76
0106	Cadmium, Dissolved	μg/l	0.0172	0.0146	0.0387	0.051	0.0226	0.0249	0.023	0.0224	0.0708	0.252
0235	Magnesium, Dissolved	mg/l	8.6	9.08	7.78	6.93	9.28	9.05	9.12	7.72	6.89	4.85
0239	Calcium, Dissolved	mg/l	112	114	108	90.9	116	118	118	123	110	72.1
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	6.27	6.93	6.43	6.37	6.71	6.9	6.54	6.24	8.21
0714	Benzo(g,h,i)Perylene	μg/l	0.00553	0.00234	0.00502	0.00808	0.00444	0.00311	0.00364	0.00755	0.0331
0731	Benzo(b)Fluoranthene	μg/l	0.00561	0.00213	0.00357	0.00584	0.00317	0.00219	0.0026	0.0055	0.0239
0733	Benzo(k)Fluoranthene	μg/l	0.0025	0.00091	0.00142	0.00247	0.00146	0.00096	0.00115	0.00254	0.0113
0736	Fluoranthene	μg/l	0.00639	0.00474	0.00422	0.00854	0.00519	0.00488	0.00489	0.00693	0.0256
0746	Indeno(1,2,3-cd)pyrene	μg/l	0.00584	0.0022	0.00505	0.00863	0.00445	0.0027	0.00327	0.00779	0.0332
3377	Lead : BLM Bioavailable	μg/l	0.03	0.03	0.04	0.05	0.03	0.03	0.04	0.05	0.04
3408	Zinc, Dissolved	μg/l	17.3	12.2	14	11.6	18.1	14.7	16.8	17.5	14.6	13.4
3409	Chromium, Dissolved	μg/l	< 0.5	< 0.5	< 0.5	0.585	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5
3410	Nickel, Dissolved	μg/l	1.28	0.991	1.39	1.16	0.808	1.41	1.6	1.95	1.5	2.62
3878	Nickel : BLM Bioavailable	μg/l	0.28	0.21	0.33	0.27	0.18	0.32	0.39	0.51	0.34
4820	Manganese : BLM Bioavailable	μg/l	1.02	1.04	1.32	2.39	1.13	1.29	1.45	3.71	6.83
4821	Copper : BLM Bioavailable	μg/l	0.27	0.24	0.21	0.2	0.23	0.18	0.18	0.13	0.11
4822	Zinc : BLM Bioavailable	μg/l	6.21	4.14	4.82	4.06	6.2	4.87	5.67	5.99	4.16
6399	Benzo(a)Pyrene	μg/l	0.00459	0.00139	0.00294	0.00445	0.0028	0.00195	0.00237	0.0048	0.0248
6450	Copper, Dissolved	μg/l	7.76	7.52	6.02	5.55	6.86	5.55	5.07	3.37	3.54	5.38
6458	Manganese, Dissolved	μg/l	< 10	< 10	< 10	10	< 10	< 10	< 10	11.4	19.4	11.8
6460	Iron, Dissolved	μg/l	32.4	31.4	47.6	50.3	35.7	37.8	37	< 30	48.4	116
8944	Tributyl Tin as Cation	μg/l	< 0.0002	< 0.0002	< 0.0002	< 0.0002	< 0.0002	< 0.0002	< 0.0002	< 0.0002	< 0.0002
9248	Hexabromocyclododecane Total: (Sum of a, b, g)	μg/l	0.00081	0.00036	0.0004	0.00038	0.0005	0.00048	0.00062	0.00037	0.00025
9274	Perfluorooctanoate anion	μg/l	0.00865	0.01	0.00763	0.00711	0.00565	0.0063	0.00569	0.00452	0.00337
9276	Perfluorooctylsulphonate anion	μg/l	0.00646	0.00541	0.00606	0.00437	0.00517	0.00454	0.00284	0.00321	0.00378

Samples from 19 Jan 2017 to 31 May 2017

Notation	Determinand	Units	19 Jan 2017 13:52	19 Apr 2017 11:19	31 May 2017 14:13
0052	Lead, Dissolved	μg/l	0.236	0.474	0.303
0061	pH		7.64	7.67	7.52
0106	Cadmium, Dissolved	μg/l	0.0136	0.0251	0.0204
0235	Magnesium, Dissolved	mg/l		9.4	8.5
0239	Calcium, Dissolved	mg/l	120	117	108
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	8.25	7.27	6.84
0714	Benzo(g,h,i)Perylene	μg/l	0.0123
0731	Benzo(b)Fluoranthene	μg/l	0.00788
0733	Benzo(k)Fluoranthene	μg/l	0.00367
0736	Fluoranthene	μg/l	0.00684	0.0031	0.00915
0746	Indeno(1,2,3-cd)pyrene	μg/l	0.0125
3377	Lead : BLM Bioavailable	μg/l		0.07	0.04
3408	Zinc, Dissolved	μg/l	12.4	25.2	18.3
3409	Chromium, Dissolved	μg/l		< 0.5	< 0.5
3410	Nickel, Dissolved	μg/l	1.62	1.02	0.987
3878	Nickel : BLM Bioavailable	μg/l		0.24	0.21
4820	Manganese : BLM Bioavailable	μg/l		1.48	2.41
4821	Copper : BLM Bioavailable	μg/l	0.11	0.2	0.18
4822	Zinc : BLM Bioavailable	μg/l	3.64	7.96	6.21
6399	Benzo(a)Pyrene	μg/l	0.00748		0.00799
6450	Copper, Dissolved	μg/l	4.09	6.34	5.67
6458	Manganese, Dissolved	μg/l		< 10	10.9
6460	Iron, Dissolved	μg/l		35.1	39.1
8944	Tributyl Tin as Cation	μg/l	< 0.0002	< 0.0002	< 0.0002
9248	Hexabromocyclododecane Total: (Sum of a, b, g)	μg/l	0.00074	0.0012	0.0006
9274	Perfluorooctanoate anion	μg/l	0.00528	0.00721	0.0104
9276	Perfluorooctylsulphonate anion	μg/l	0.00354	0.00403	0.00642

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sampling point Pond Farm Ditch Just Below Purton Stw

Determinands

Sampling results

Samples from 14 Aug 2017 to 12 Mar 2018

Samples from 19 Jan 2017 to 31 May 2017

sampling point
Pond Farm Ditch Just Below Purton Stw