Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Factors to be considered when collecting environmental samples for health studies in farm-workers.
| Factors that can be standardized |
| Media sampled |
| Dust, soil, water, food, handwipe |
| Collection methods |
| Wipe |
| Vacuum |
| Size fraction analyzed (dust, soil, air) |
| Sampling location |
| For example, child’s bedroom |
| Analytical methods |
| Detection limits |
| Volume of sample collected |
| Site-specific factors |
| Analytes of interest |
| Geographic region |
| Crops raised, pests of concern |
| Calendar year |
