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.
Sampling sites and building users description
| Age group | City | Sampling sites | Population represented |
|---|---|---|---|
| 3–12 | A | School sewer outlet | 500 |
| 18–30 | A | University campus sewer outlet | 100 |
| > 65 | A | Nursing home sewer outlet | 300 |
| 3–12 | B | School sewer outlet | 500 |
| 18–30 | B | University campus sewer outlet | 400–1000 |
| > 65 | B | Nursing home sewer outlet | 500 |
| All ages | C | Inlet urban wastewater treatment plant | 1.5 M |
