National Drinking Water Database
Henry W Moore School Utilities - Portsmouth, NH
Serves 544 people
p-Xylenep-Xylene is a petroleum-derived solvent used in the printing, rubber, and leather industries; it is also used as a cleaning agent, a thinner for paint, and an ingredient in paints and varnishes.
Testing History-Tested      -Detected      -Over Health Guidelines      -Over Legal Limit*
|p-Xylenep-Xylene is a petroleum-derived solvent used in the printing, rubber, and leather industries; it is also used as a cleaning agent, a thinner for paint, and an ingredient in paints and varnishes.||0 ppb|
|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 p-Xylene
Health Based Limits for p-Xylene
|Maximum Contaminant Limit (MCL)||10000 ppb|
|Maximum Contaminant Limit Goal (MCLG)||10000 ppb|
|Samples taken that day||Number of Non-Detects||Range of Results|
|2006-12-06||0 ppb||1||1||0 ppb|
|2005-12-02||0 ppb||1||1||0 ppb|
|2004-10-12||0 ppb||1||1||0 ppb|