AQA 21-01 Metals, nutrients and exchangeable bases in soil

S1
25 g
dried sediment
acid extractable
elements

As

1-50

FOR NATIONAL
PARTICIPANTS

Any single
sample
$500

Any additional participation 
sample
$210

FOR INTERNATIONAL
PARTICIPANTS

Any single
sample
$680

Any additional
participation sample
$230

Be

1-50

Cd

0.5-25

Cr

5-500

Cu

2-100

Hg

0.2-5

Mn

50-1000

Mo

25-500

Ni

5-500

Pb

2-200

Sb

25-750

Se

2-50

Sn

10-200

V

20-500

Zn

10-300

S2
100 g
wet sludge
acid extractable
elements

Ag

5-150

As

1-50

Al

500-15000

B

5-150

Ba

5-150

Bi

0.5-10

Co

5-150

Cs

1-20

La

5-150

Li

5-150

Mn

50-1000

Rb

5-50

Se

2-50

Sn

10-250

Tl

0.5-10

U

5-150 

Zn

50-1000

Moisture Content (%)

5-30%

S3
75 g
agricultural soil

Ba, Ca, Fe, K, Mg, Na, P, S, Sr
(acid extractable)

NA

P (total)

NA

Exchangeable bases (Ca2+, Mg2+, Na+, K+) -
1M NH4Cl extract1

>0.05

Calcium chloride-extractable B2

NA

Colwell K, Colwell P

NA

P buffer index (with Colwell P)-PBI+ColP3

NA

Total Carbon, Total Organic Carbon

NA

Total Nitrogen

NA

pH of 1:5 soil/0.01M CaCl2, EC

NA