| Sampling concerns |
| Sample preparation |
| Dry and wet samples |
| pH measurements |
| Metals in soils and sediments |
| Organics in solids |
| volatiles by purge and trap or headspace |
| solid phase microextraction |
| Semivolatiles |
| Sample cleanup |
| TCLP |
| Immunoassay |
| Selection of proper sample preparation and analytical method for a particular sample and analyte |
| Calculations of analyte concentration on dry basis from wet sample data |
| Methods of sample validation |
| Calculation of concentrations from calibration and experimental data |