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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:


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.

StateWater Suppliers with 1-Chlorobutane contamination
SystemsPopulation
Texas11
Total11

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

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Bluff Dale Wsc
Bluff Dale, TX
11 of 19.92 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 & Labelling1-CHLOROBUTANE•Highly flammable
•Highly flammable
Environment Canada Domestic Substance ListBUTANE, 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 19861-CHLOROBUTANE• mutagenic - Positive mutation assay: Mutation in Mammalian Somatic Cells (mouse lym)



references

government/industry list/academic study reference
European Union - Classification & LabellingCPS&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 ListEC (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 1986RTECS®- National Toxicology Program Technical Report Series. (Research Triangle Park, NC 27709) No.206- NTP-TR-312,1986

"RTECS®" is a United States trademark owned and licensed under authority of the U.S. Government, by and through MDL Information Systems, Inc.