Sampled

water

Samples

(n.)

Item

(n.)

Possible

detection (n.)

Positive

detection (n.)

Efficiency*

(%)

Run-on

10

4 spinosyns

40

40

100

Run-on

10

1 KBr

10

10

100

Runoff

15

4 spinosyns

60

60

100

Runoff

9

1 KBr

9

9

100