Cabot Preserve Weekly Sampling Results

Weekly sampling results from the distribution system at Cabot Preserve in Bedford, which obtains all of its water supply from Merrimack Village District.  Units are parts-per-trillion.

Cabot Preserve

Date	PFOA	PFOS
8/20/18	21.30	2.44
8/14/18	20.40	2.09
8/7/18	17.00	2.01
7/31/18	16.1	1.89
7/24/18	18.8	2.13
7/17/18	17.6	2.55
7/10/18	17.7	2.75
6/26/18	18.0	2.52
6/20/18	18.6	2.48
6/14/18	18.3	<1.72
6/5/2018	20.9	2.36
5/29/2018	13.8	<1.72
5/22/2018	13.4	<2
5/15/2018	10.8	<1.78
5/08/2018	9.80	<1.85
5/01/2018	11.6	<1.78
4/24/2018	12.60	<1.85
4/11/2018	13.8	1.86
4/3/2018	12.5	<1.78
3/27/2018	14.1	2.18
3/20/2018	12.9	1.74
3/6/2018	12.9	1.74
2/27/2018	15.5	2.06
2/20/2018	14.6	2.26
2/13/2018	14.5	1.82
2/6/2018	13.3	<1.85
1/30/2018	15.9	<1.85
1/23/2018	16.3	2.3
1/16/2018	19	1.89
1/8/2018	18.3	1.98
1/2/2018	13.7	2.24
12/27/2017	15	2
12/19/2017	17.6	<1.72
12/11/2017	16.4	2
12/4/2017	20.7	2.42
11/28/2017	21.9	2.45
11/21/2017	21.5	2.54
11/13/2017	21.4	1.99
11/7/2017	20.6	2.51
11/1/2017	21.1	2.14
10/24/2017	20.9	2.46
10/17/2017	19.8	<1.85
10/10/2017	21.6	2.66
10/3/2017	16.9	2.05
9/26/2017	19.3	2.32
9/20/2017	13.6	2.21
9/12/2017	15.5	2.16
9/5/2017	15.3	1.86
8/29/2017	14.6	2.05
8/22/2017	14.4	<1.92
8/15/2017	17.6	2.29
8/8/2017	17.6	<1.92
8/1/2017	20.2	2.65
7/25/2017	19.7	2.39
7/18/2017	17.8	2.66
7/11/17 (DUP)	17.4	2.28
7/11/2017	17.4	<5
7/6/2017	17.9	<5
6/27/2017	19	<5
6/20/2017	21	4
6/13/2017	11	<4
6/6/2017	13	<4
6/1/2017	13	<4
5/25/2017	14	<4
5/16/2017	16	<4
5/9/2017	17	<4
5/2/2017	18	<4
4/27/2017	17	<4
4/17/2017	14	<4
4/11/2017	13	<4
4/4/2017	11	<4
3/28/2017	12	<4
3/21/2017	12	<4
3/7/2017	11	<4
2/28/2017	12	<4
2/21/2017	11	<4
2/16/2017	12	<4
2/7/2017	15	<4
1/31/2017	16	<4
1/24/2017	16	<4
1/17/2017	16	<4
1/10/2017	16	<4
1/3/2017	18	<4
12/27/2016	19	<4
12/20/2016	3	<4
12/13/2016	18	<4
12/6/2016	15	<4
11/29/2016	16	<4
11/22/2016	16	<4
11/15/2016	24	<4
11/9/2016	20	<4
11/1/2016	21	<4
10/25/2016	19	<4
10/19/2016	21	<4
10/12/2016	18	<4
10/4/2016	16	<4
9/27/2016	19	<4
9/20/2016	15	<4
9/13/2016	14	<4
9/6/2016	17	<4
8/30/2016	13	<4
8/23/2016	17	<4
8/16/2016	15	<4
8/9/2016	15	<4
8/2/2016	16	<4
7/26/2016	14	<4
7/12/2016	13	<4
7/5/2016	10	<4
6/28/2016	11	<4
6/21/2016	12	<4
6/15/2016	9	<4
6/2/2016	12	<4
5/25/2016	12	<4
5/16/2016	11	<4
5/11/2016	11	<4
5/3/2016	14	<4
4/26/2016	38	<4
4/13/2016	52	8.1
4/6/2016	6.2	<5
3/16/2016	36	<4