National Drinking Water Database
National Drinking Water Database - Chemical Contaminants
1-Chlorobutane
Status: Unregulated - EPA has not established a maximum legal limit in tapwater for this contaminant.
1-Chlorobutane is a synthetic chemical used as an intermediate for chemical production.
Detected |
Found above health guidelines |
Found above legal limit |
|
|---|---|---|---|
| States | 1 |
- |
- |
| Water utilities | 1 |
- |
- |
| People Served | 1 |
- |
- |
Health Concerns for 1-Chlorobutane:
- Cancer
- Ecotoxicology
- Miscellaneous
- Organ system toxicity (non-reproductive)
- Persistence and bioaccumulation
1-Chlorobutane Exposure by State
Water utilities in 1 states have reported detecting 1-Chlorobutane in treated tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies.
| State | Water Suppliers with 1-Chlorobutane contamination | |
|---|---|---|
| Systems | Population | |
| Texas | 1 | 1 |
| Total | 1 | 1 |
The Most Polluted Communities
1 water utilities reported detecting 1-Chlorobutane in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies
Ranked by highest average 1-Chlorobutane level
| Rank | System | Population Served | Positive test results of total reported tests | Average Level (Range) |
|---|---|---|---|---|
| 1 | Bluff Dale Wsc Bluff Dale, TX | 1 | 1 of 1 | 9.92 ppb (9.92 ppb) |
Testing Summary for 1-Chlorobutane
| Are tests routinely required for 1-Chlorobutane by federal law? | No |
| Water suppliers reporting tests for 1-Chlorobutane (2004-2007): | 297 of 47,576 |
| Average testing rate for water supplier reporting tests (2004-2007): | 0.9 per year |
Cancer
| Type of concern: | Reference: |
| One or more in vitro tests on mammalian cells show positive mutation results | RTECS®- National Toxicology Program Technical Report Series 1986 |
| Cancer - not classifiable/not likely to be human carcinogen | EPA Integrated Risk Information System (IRIS) |
Ecotoxicology
| Type of concern: | Reference: |
| Not suspected to be an environmental toxin | Environment Canada Domestic Substance List |
Miscellaneous
| Type of concern: | Reference: |
| Occupational hazards related to handling | European Union - Classification & Labelling |
Organ system toxicity (non-reproductive)
| Type of concern: | Reference: |
| Classified as not expected to be potentially toxic or harmful | Environment Canada Domestic Substance List |
Persistence and bioaccumulation
| Type of concern: | Reference: |
| Not suspected to be bioaccumulative | Environment Canada Domestic Substance List |
Government, industry, academic studies and classifications
| government/industry list/academic study | appears on list as | classification(s) |
| European Union - Classification & Labelling | 1-CHLOROBUTANE | •Highly flammable •Highly flammable |
| Environment Canada Domestic Substance List | BUTANE, 1-CHLORO- | •This chemical was NOT flagged by CEPA for further attention. The chemical was flagged for suspected persistence. |
| EPA Integrated Risk Information System (IRIS) | 1-CHLOROBUTANE | •Group D: Not classifiable as to human carcinogenicity (EPA classification) |
| RTECS®- National Toxicology Program Technical Report Series 1986 | 1-CHLOROBUTANE | • mutagenic - Positive mutation assay: Mutation in Mammalian Somatic Cells (mouse lym) |
references
| government/industry list/academic study | reference |
| European Union - Classification & Labelling | CPS&Q (Consumer Products Safety & Quality) formely known as ECB (European Chemicals Bureau). 2008. Classification and Labelling: Chemicals: Annex VI of Directive 67/548/EEC through the 31st ATP. |
| Environment Canada Domestic Substance List | EC (Environment Canada). 2008. Domestic Substances List Categorization. Canadian Environmental Protection Act (CEPA) Environmental Registry. |
| EPA Integrated Risk Information System (IRIS) | EPA (U.S. Environmental Protection Agency). 2008. Integrated Risk Information System (IRIS). Evidence for human carcinogenicity based on 1986-2005 guidelines. |
| RTECS®- National Toxicology Program Technical Report Series 1986 | RTECS®- National Toxicology Program Technical Report Series. (Research Triangle Park, NC 27709) No.206- NTP-TR-312,1986 |
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