sampling point
Winterbourne Stream Below Chieveley Stw

Description	WINTERBOURNE STREAM BELOW CHIEVELEY STW
Sampling point ID	TH-PKER0146
Type	Freshwater – Unspecified
Status	open
Location	easting northing: 446700 173800 lat lon: 51.46125, -1.329183
Area	West Thames
Sub-Area	L&W South Wt
Summary	14 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.

16 determinands have been measured at this site

B-[a]-pyrene
B-[b]-fluora
B-[ghi]-pery
B-[k]-fluora
Bifenthrin
Cypermethrin
DELTAMETHRIN
Flumethrin
Fluoranthene
HBCDD
Ind123pyrene
L Cyhalothrn
PFOS
Permethrn-Tr
Permethrn-cs
pFoctanoate

Samples from 20 Jul 2017 to 15 Mar 2018

Notation	Determinand	Units	20 Jul 2017 10:03	18 Aug 2017 13:47	13 Sep 2017 11:10	29 Sep 2017 11:54	10 Oct 2017 11:52	1 Nov 2017 11:06	19 Dec 2017 10:14	16 Jan 2018 09:00	6 Feb 2018 13:52	15 Mar 2018 15:05
0073	Cypermethrin	μg/l		2.0e-05	< 1.0e-05	< 1.0e-05	3.0e-05	< 3.0e-05	7.0e-05	< 1.0e-05	5.0e-05	5.0e-05
0714	Benzo(g,h,i)Perylene	μg/l	0.00229	0.00087		0.00147	0.00341	0.00111	0.00208	0.00118	0.00165	0.00492
0731	Benzo(b)Fluoranthene	μg/l	0.00241	0.00097		0.00145	0.00202	0.00095	0.00259	0.00151	0.00163	0.00449
0733	Benzo(k)Fluoranthene	μg/l	0.0012	0.00044		0.00058	0.00098	0.00039	0.00113	0.00063	0.00074	0.00221
0736	Fluoranthene	μg/l	0.0047	0.00273		0.00348	0.00309	0.00173	0.00649	0.0039	0.00373	0.0103
0746	Indeno(1,2,3-cd)pyrene	μg/l	0.00253	0.00104		0.00176	0.00349	0.00128	0.00218	0.0014	0.00175	0.00563
6399	Benzo(a)Pyrene	μg/l	0.00228	0.00083		0.00126	0.00214	0.00076	0.00194	0.00108	0.00118	0.0043
7562	Deltamethrin	μg/l	< 0.002	< 0.002		< 0.002	< 0.002	< 0.002	< 0.002	< 0.002		< 0.002
8896	Bifenthrin	μg/l	< 0.001	< 0.001		< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001
9248	Hexabromocyclododecane Total: (Sum of a, b, g)	μg/l	0.0024	0.00213		0.00208	0.0028	0.00189	0.00223	0.0043	0.0028	0.0032
9274	Perfluorooctanoate anion	μg/l	0.00348	0.00341		0.00359	0.00473	0.00304	0.00493	0.00328	0.00346	0.00254
9276	Perfluorooctylsulphonate anion	μg/l	0.00213	0.00227		0.00214	0.00299	0.0018	0.00139	0.00135	0.00144	0.00108
9341	cis-Permethrin	μg/l	< 0.002	< 0.002		< 0.002	< 0.002	< 0.002	0.00377		0.0055	0.00442
9342	trans-Permethrin	μg/l	< 0.001	< 0.001		< 0.001	< 0.001	< 0.001	0.00276	0.00363	0.00389	0.0028
9472	Lambda-cyhalothrin	μg/l	< 0.002	< 0.002		< 0.002	< 0.002	< 0.002	< 0.002	< 0.002	< 0.002	< 0.002
9862	Flumethrin	μg/l	< 0.003	< 0.003		< 0.003	< 0.003	< 0.003	< 0.003	< 0.003	< 0.003	< 0.003

Samples from 3 Apr 2017 to 26 Jun 2017

Notation	Determinand	Units	3 Apr 2017 09:59	18 May 2017 14:20	6 Jun 2017 10:33	26 Jun 2017 14:58
0073	Cypermethrin	μg/l		< 3.0e-05	4.0e-05	3.0e-05
0714	Benzo(g,h,i)Perylene	μg/l	0.00056			0.0003
0731	Benzo(b)Fluoranthene	μg/l	0.00091	0.00254		0.00037
0733	Benzo(k)Fluoranthene	μg/l	0.00036	0.00125		0.00014
0736	Fluoranthene	μg/l	0.00146	0.0056		0.00126
0746	Indeno(1,2,3-cd)pyrene	μg/l	0.00054	0.00248		0.0003
6399	Benzo(a)Pyrene	μg/l	0.00043	0.00221		0.00019
7562	Deltamethrin	μg/l	< 0.002	< 0.002
8896	Bifenthrin	μg/l	< 0.001	< 0.001		< 0.001
9248	Hexabromocyclododecane Total: (Sum of a, b, g)	μg/l	0.00271	0.00171		0.00237
9274	Perfluorooctanoate anion	μg/l	0.00492	0.00274		0.00418
9276	Perfluorooctylsulphonate anion	μg/l	0.00202	0.00165		0.00096
9341	cis-Permethrin	μg/l	0.00446	0.0036		0.00409
9342	trans-Permethrin	μg/l	0.00229	0.00141		0.00682
9472	Lambda-cyhalothrin	μg/l	< 0.002	< 0.002		< 0.002
9862	Flumethrin	μg/l	< 0.003	< 0.003		< 0.003