National Drinking Water Database
City of Modesto Utilities - Modesto, CA
Serves 190,106 people
N-nitrosopiperidine (npip)N-nitrosopiperidine is a nitrosamine used in research; classified by the National Toxicology Program as "reasonably anticipated to be a human carcinogen."
Testing History-Tested      -Detected      -Over Health Guidelines      -Over Legal Limit*
|N-nitrosopiperidine (npip)N-nitrosopiperidine is a nitrosamine used in research; classified by the National Toxicology Program as "reasonably anticipated to be a human carcinogen."||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-nitrosopiperidine (npip)
Health Based Limits for N-nitrosopiperidine (npip)
There are no health based standards that EWG is using for this chemical
|Samples taken that day||Number of Non-Detects||Range of Results|
|2008-09-17||0 ppb||2||2||0 ppb|