Inorganic Compounds (IOC)

Massachusetts DEP/Department of Water Supply

Thorestensons Laboratory, 66 Littleton Rd., Westford, MA  01886
tel:(978) 692-8395 | FAX; 978-692-0023

A.

03G GP Well #3

B.

04G GP Well #4

C.

05G GP Well #5

Compound Regulated

Result  mg/L

A. Well #3

Result mg/L

B. Well #4

Result mg/L 

C. Well #5

MCL mg/L

Detection Limit mg/L

Analytical Method

Date of Analysis

Arsenic

ND

ND

ND

0.05

0.005

200.9

05/23/2006

Barium

0.01

0.26

0.008

2.0

0.001

200.7

05/23/2006

Cadmium

ND

ND

ND

0.005

0.0005

200.9

05/23/2006

Chromium

ND

ND

ND

0.1

0.001

200.9

05/23/2006

Fluoride*

1.0

1.0

0.9

4.0

0.1

300.0

05/23/2006

Mercury

ND

ND

ND

0.002

0.0002

245.1

05/23/2006

Selenium

ND

ND

ND

0.05

0.002

200.9

05/23/2006

Sodium

36.9

35.8

11.4

None

0.1

200.7

05/23/2006

Antimony

ND

ND

ND

0.006

0.002

200.9

05/23/2006

Beryllium

ND

ND

ND

0.004

0.001

200.7

05/23/2006

Nickel

ND

ND

ND

None

0.001

200.9

05/23/2006

Thallium

ND

ND

ND

0.002

0.001

200.9

05/23/2006

Cyanide

ND

ND

ND

0.2

0.02

SM4500.CNE

05/23/2006

Sulfate

14.9

24.4

20.1

None

0.1

300.0

05/23/2006

D.

06G GP Well #6

E.

07G GP Well #7

F.

08G GP Well #8

Compound Regulated

Result  mg/L

D.Well #6

Result mg/L

E. Well #7

Result mg/L

F. Well #8

MCL mg/L

Detection Limit mg/L

Analytical Method

Date of Analysis

Arsenic

ND

ND

ND

0.05

0.005

200.9

05/23/2006

Barium

0.05

0.33

0.02

2.0

0.001

200.7

05/23/2006

Cadmium

ND

ND

ND

0.005

0.0005

200.9

05/23/2006

Chromium

ND

ND

ND

0.1

0.001

200.9

05/23/2006

Fluoride*

1.1

ND

.1

4.0

0.1

300.0

05/23/2006

Mercury

ND

ND

ND

0.002

0.0002

245.1

05/23/2006

Selenium

ND

ND

ND

0.05

0.002

200.9

05/23/2006

Sodium

34.3

28.4

24.6

None

0.1

200.7

05/23/2006

Antimony

ND

ND

ND

0.006

0.002

200.9

05/23/2006

Beryllium

ND

ND

ND

0.004

0.001

200.7

05/23/2006

Nickel

ND

.002

.003

None

0.001

200.9

05/23/2006

Thallium

ND

ND

ND

0.002

0.001

200.9

05/23/2006

Cyanide

ND

ND

ND

0.2

0.02

SM4500.CNE

05/23/2006

Sulfate

30.5

23.2

22.6

None

0.1

300.0

05/23/2006

G.

02 & 9G GP Well #2 & #9 Treatment Plant

H.

010G GP Well #10

Compound

Regulated

Result mg/L

G. Well#2&#9   

Result mg/L

H. Well #10

MCL mg/L

Detection Limit mg/L

Analytical Method

Date of Analysis

Arsenic

ND

ND

0.05

0.005

200.9

05/23/2006

Barium

.036

.007

2.0

0.001

200.7

05/23/2006

Cadmium

ND

ND

0.005

0.0005

200.9

05/23/2006

Chromium

ND

ND

0.1

0.001

200.9

05/23/2006

Fluoride*

0.99

ND

4.0

0.1

300.0

05/23/2006 

Mercury

ND

ND

0.002

0.0002

245.1

05/23/2006

Selenium

ND

ND

0.05

0.002

200.9

05/23/2006 

Sodium

35.7

16.5

None

0.1

200.7

05/23/2006

Antimony

ND

ND

0.006

0.002

200.9

05/23/2006

Beryllium

ND

ND

0.004

0.001

200.7

05/23/2006 

Nickel

ND

ND

None

0.001

200.9

05/23/2006

Thallium

ND

ND

0.002

0.001

200.9

05/23/2006

Cyanide

ND

ND

0.2

0.02

SM4500.CNE

05/23/2006

Sulfate

35.2

12.0

None

0.1

300.0

05/23/2006