Table II. Seven laboratory Round Robin Testing for HAAs (all values in µg/L)


Sample #

Lab

MCAA

DCAA

TCAA

MBAA

DBAA

1

UMass

ND*

18.7

13.4

ND

ND


6 labs

ND-18.9

16.0-20.5

12.0-22.0

ND

ND-1.6

2

UMass

6.3

19.4

15.9

1.7

5.0


6 labs

ND-27.5

18.4-29.5

16.5-43.5

ND-1.6

3.7-8.4

3

Umass

ND

11.2

5.4

1.6

7.8


6 labs

ND-1.0

7.2-11.5

3.4-7.4

ND-2.3

4.9-10.5

4

UMass

ND

3.2

1.6

ND

4.1


6 labs

ND

ND-4.3

ND-5.0

ND-1.4

2.2-6.0

5

UMass

ND

ND

ND

ND

ND


6 labs

ND

ND

ND

ND

ND

6

UMass

18.0

18.8

14.4

18.4

15.9


6 labs

6.5-16.8

8.9-17.2

9.4-20.0

8.8-15.8

8.9-19.1

* ND: under method report limit


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