Merrimack Village District Water Works Test Results

PFOA/PFOS Sampling Results for Merrimack Village District Water Works
*MVD 7&8 TP –is a blend of MVD wells 7 and 8 after green sand treatment

Units are parts-per-trillion.

Spreadsheet of all Poly and Perfluoroalkyl Substances Sampling Results for the Merrimack Village District Wells

Well Name:MVD-2MVD-3MVD-4 (offline)MVD-5 (offline)MVD-7MVD-8MVD-7&8 TP*
7/19/20188.2/1.4J18/2.2Not SampledNot Sampled20/2.618/1.5J19/2.2
6/22/201813/2.020/2.0Not SampledNot Sampled21/2.918/2.117/1.6J
5/29/20189.8/1.7J23/2.1JNot SampledNot Sampled28/3.420/1.8J21/2.2
4/19/20187.1/1.6 J13/1.5 JNot SampledNot Sampled19/2.716/1.4 J18/1.9 J
3/22/18-28/ 2J12/ 2 JNot SampledNot Sampled23/318/1 J20/2
2/15/18-28/1 J14/2 JNot SampledNot Sampled22/316/2 J2/0.5 J
1/18/18-29/2 J18/2 JNot SampledNot Sampled23/3 J17/2 J22/2
12/13/17-217/213/2 JNot SampledNot Sampled25/3 J17/2 J21/2
11/16/2017-214/2 J18/2 JNot SampledNot Sampled29/3 J21/2 J23/2 J
10/25/17-29/1 J16/2 JNot SampledNot Sampled26/421/2 J26/2 J
9/21/17-210/ND16/2 JNot SampledNot Sampled26/4 J19/ND22/3 J
8/24/17-211/ND18/2 JNot SampledNot Sampled28/4 J20/2 J26/3 J
7/20/17-214/ND20/2 JNot SampledNot Sampled22/4 J17/2 J21/2 J
6/22/17-211/ND22/NDNot SampledNot Sampled21/3 J18/3 J21/3 J
5/25/17-215/3J16/2 JNot SampledNot Sampled23/3 J17/ND19/2J
4/19/17-218/3J15/NDNot SampledNot SampledLab ErrorLab Error14/ND
3/9/17-28/ND20/NDNot SampledNot Sampled22/ND16/ND18/ND
2/9/17-112/ND26/NDNot SampledNot Sampled30/ND16/ND22/ND
1/26/17-114/ND25/NDNot SampledNot Sampled28/ND18/ND21/ND
1/12/17-115/ND25/NDNot SampledNot SampledLab Error19/ND24/ND
12/28/16-117/ND29/NDNot SampledNot Sampled37/ND25/ND30/ND
12/15/16-111/ND21/NDNot SampledNot Sampled21/ND32/ND23/ND
12/01/16-113/ND22/NDNot SampledNot Sampled32/ND23/ND29/ND
11/16/16-115/ND23/NDNot SampledNot Sampled38/4.622/ND27/ND
11/10/16-113/ND22/6.2Not SampledNot Sampled32/ND20/ND24/ND
10/27/16-112/ND25/5Not SampledNot Sampled36/ND29/ND29/ND
10/13/16-113/ND22/NDNot SampledNot Sampled32/ND21/ND26/ND
9/29/16-114/ND19/NDNot SampledNot Sampled34/4.823/ND30/ND
9/15/16-123/2317/NDNot SampledNot Sampled33/4.622/1827/ND
9/07/16-1Not Sampled19/NDNot SampledNot SampledNot SampledNot Sampled31/ND
9/01/2016-212/ND18/NDNot SampledNot Sampled29/7 J19/NDNot Sampled
9/01/2016-112/NDNot SampledNot SampledNot Sampled30/ND18/ND24/ND
8/18/2016-212/ND15/NDNot SampledNot Sampled33/ND21/ND27/ND
8/18/2016-114/ND18/NDNot SampledNot Sampled32/ND21/ND27/ND
8/4/2016-39/ND14/NDNot SampledNot Sampled23/ND16/ND18/ND
8/4/2016-214/ND19/NDNot SampledNot Sampled29/ND21/ND25/ND
7/28/16-310/ND16/NDNot SampledNot Sampled24/ND15/ND18/ND
7/28/16-212/ND13/NDNot SampledNot Sampled28/ND15/ND19/ND
7/21/16-38/ND13/NDNot SampledNot Sampled19/ND12/ND14/ND
7/21/16-28/ND22/NDNot SampledNot Sampled27/ND15/ND28/ND
7/14/16-39/ND14/NDNot SampledNot Sampled18/ND13/ND14/ND
7/14/16-216/ND20/NDNot SampledNot Sampled28/ND22/ND23/ND
7/7/16-214/ND17/ND84/ND48/ND27/ND18/ND20/ND
7/7/16-310/ND15/ND61/ND
59/ND
37/ND19/ND14/ND16/ND
7/7/16-113/ND21/ND85/5
94/7.5
53/ND24/ND17/ND21/ND
6/30/16-114/ND27/4.8Not SampledNot Sampled26/ND18/ND20/ND
6/30/16-36/ND10/NDNot SampledNot Sampled13/ND9/ND9/ND
6/23/16-213/ND16/NDNot SampledNot Sampled22/ND12/ND15/ND
6/23/16-39/ND13/NDNot SampledNot Sampled13/ND9/ND10/ND
6/16/16-310/ND17/NDNot SampledNot Sampled14/ND9/ND11/ND
6/16/16-215/ND23/NDNot SampledNot Sampled23/7J13/7J18/ND
6/9/16-36/ND12/NDNot SampledNot Sampled9/ND6/ND7/ND
6/2/16-36/ND14/ND25/ND21/ND8/ND5/ND7/ND
5/26/16-312/ND13/ND34/ND35/ND13/ND8/ND10/ND
5/12/16-118/4.429/4.575/5.579/4.825/4.613/4.517/4.4
5/5/16-133/4.945/16.7130/1166/4.727/4.79.6/ND16/ND
4/28/16-124/ND25/ND85/5.957/ND21/ND9.2/ND14/ND
4/21/16-126/5.526/ND93/7.056/5.425/5.49.9/9.116/ND
4/14/16-131/1532/6.194/8.867/5.530/7.010/ND18/4.9
4/7/16-128/NDNot Available - Scheduled Maintenance94/6.852/ND28/5.58.6/NDNot Sampled
3/31/16-127/NDNot Available – Scheduled Maintenance90/5.656/ND26/ND8.5 & 9.7/ ND & NDNot Sampled
3/9/16-117/NDNot Available – Scheduled Maintenance90/654 & 52/ND &NDNot Available – Scheduled MaintenanceNot Available – Scheduled MaintenanceNot Sampled

1. ALS Global completed the laboratory analyses – Isotope Dilution.
2. Eurofins completed the analyses – Method 537 1.1
3. Regional Water Authority completed the analyses – Method 537 1.1
4. ALS Global completed the laboratory analyses – Method 537 1.1
“J” Denotes estimated value because the concentration is lower than the quantification limit of the lab.
*MVD 7&8 TP –is a blend of MVD wells 7 and 8 after green sand treatment