Sample Description/Source

Concentration

(ng/µL)

Purity

A₂₆₀/A₂₈₀

D1 (0 - 61 m)

21.3

2.0

D1* (0 - 61 m)

19.1

2.0

D2 (62 - 457 m)

17.7

2.1

D2* (62 - 457 m)

30.8

2.0

D3 (458 - 884 m)

14.3

1.9

D3* (458 - 884 m)

31.0

1.9

Q1, Elevation Blank

4.8

1.2

Q2, Elevation Blank

3.7

1.2

Q3, Elevation Blank

2.6

1.3