Parameter   Sample #1   Sample #2   Detection Limit
 
pH 8.5 8.4
Moisture content (%) 53 57
Total TBT (µgSn/kg) 1,550 4,140 0.5
Total DBT (µgSn/kg) 450 0.5
Total MBT (µgSn/kg) 3.0 0.5
Leachable TBT (ngSn/L) 802 953 2.0
Water soluble TBT (ngSn/L) 534 597 2.0
Leachable Tin (mg/L) <0.1 <0.1 0.1
Total Tin (mg/kg) 10 8.0 5.0
Polycyclic aromatic hydrocarbons (mg/kg) <0.5 0.5
BTEX (mg/kg) <0.5 0.5
TPH C6-C10 fraction (mg/kg) <10 10
TPH C10-C16 fraction (mg/kg) <50 50
TPH C16-C34 fraction (mg/kg) 220 100
TPH C34-C40 fraction (mg/kg) <100 100
Total petroleum hydrocarbons (mg/kg) 220 50
Table 2: Pre-treatment analysis of two marine sediments from North Queensland.