Sample Analytes Approx. Conc. Range (mg/kg)*
S1 
30 g
Dried Soil
acid extractable 
elements
Ag 2-40
As 2-50
Be 10-200
Cd 0.5-40
Cr 5-250
Cu 50-750
Co 5-150
Hg 0.2-20
La 2-40
Mn 50-75
Mo 1-75
Ni 1-75
Pb 25-75
Sb 1-75
Se 2-50
Sr 2-200
Tl 0.5-40
V 10-300
Zn 50-500
S2 
30 g
Compost
acid extractable 
elements
Al, As, B, Ba, Cd, Cr, Cu, Hg, K, Mn, Na, Ni, Pb, Se, Sn, U, Zn TBA
S3
75 g
Agricultural Soil
Ca, Fe (acid extractable) 2 500-75000
K, Mg, Na (acid extractable) 750-15000
P, S (acid extractable) 500-15000
Sr (acid extractable) 20-1000
Water Soluble Fluoride; (F-) - 1:5 soil/water extract 0.5-40
Water Soluble Chloride; (Cl-) - 1:5 soil/water extract 25-75
Water Soluble Bromide; (Br-) - 1:5 soil/water extract 0.5-40
Water Soluble Iodide; (I-) - 1:5 soil/water extract 0.5-40
Water Soluble Sulphate; (SO42­-) - 1:5 soil/water extract 25-750
Water Soluble Orthophosphate-P; (PO43--P) - 1:5 soil/water extract 0.5-40
pH of 1:5 soil/water suspension TBA
EC of 1:5 soil/water extract TBA
Kjeldahl nitrogen, total (TKN) TBA
2M KCl Extractable (Nitrate-N) TBA
2M KCl Extractable (Ammonium-N) TBA

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2026 Prices to be advised: 2025 prices may be adjusted in the new financial year and are not yet available

Notes

* As these samples are real samples, the values given are indicative, based on the range of materials used in previous rounds. These ranges will be readjusted in the dispatch letter.

TBA = to be advised.