National Drinking Water Database
City of Riverside Public Utilities Utilities - Riverside, CA
Serves 280,832 people
N-nitrosodi-n-butylamine (ndba)
N-nitrosodi-n-butylamine is a synthetic chemical used in research and as an intermediate for production of other chemicals.Testing Summary
| Contaminant | Average/ Maximum Result | Health Limit Exceeded | Legal Limit Exceeded | Testing History -Tested  -Detected  -Over Health Guidelines  -Over Legal Limit* |
|---|---|---|---|---|
| N-nitrosodi-n-butylamine (ndba)N-nitrosodi-n-butylamine is a synthetic chemical used in research and as an intermediate for production of other chemicals. | 0 ppb 0 ppb | No | Legal at any levelThis is the Federal Limit. State Limits may be lower. |  |
| NOTE: Each dot in the above graph represents one month. * Water utilities are noted as exceeding the legal limit if any test is above the maximum contaminant level (MCL). Most MCLs are based on annual averages so exceeding the MCL for one test does not necessarily indicate that the system is out of compliance. | ||||
Health Based and Legal Limits for N-nitrosodi-n-butylamine (ndba)
Health Based Limits for N-nitrosodi-n-butylamine (ndba)
There are no health based standards that EWG is using for this chemical
Testing Results
| Testing Date | Average Result | Samples taken that day | Number of Non-Detects | Range of Results |
|---|---|---|---|---|
| 2009-07-07 | 0 ppb | 1 | 1 | 0 ppb |
| 2009-06-02 | 0 ppb | 1 | 1 | 0 ppb |
| 2008-11-04 | 0 ppb | 1 | 1 | 0 ppb |
| 2008-10-07 | 0 ppb | 1 | 1 | 0 ppb |
| 2008-07-01 | 0 ppb | 1 | 1 | 0 ppb |
| 2008-06-10 | 0 ppb | 1 | 1 | 0 ppb |
| 2008-06-03 | 0 ppb | 1 | 1 | 0 ppb |
| 2008-05-06 | 0 ppb | 1 | 1 | 0 ppb |
| 2008-04-10 | 0 ppb | 1 | 1 | 0 ppb |