Information received in response to the data gathering initiative on perfluorohexane sulfonic acid, its salts and its precursors (PFHxS)

In an effort to increase transparency and to facilitate access to information on substances in Canadian commerce, the Government of Canada is publishing a summary of the information received in response to the Notice with respect to perfluorohexane sulfonic acid, its salts and its precursors (PFHxS). The notice was published on October 10, 2020 in the Canada Gazette, Part I, pursuant to paragraph 71(1)(b) of the Canadian Environmental Protection Act, 1999 (CEPA). The initiative collected information on perfluorohexane sulfonic acid, its salts and its precursors (PFHxS) for the purposes of assessing whether to control, or the manner in which to control, the risks posed by these substances.

The notice required manufacturers, importers, exporters and those who used PFHxS in the manufacture of a mixture, product or manufactured item to report commercial quantities and use patterns, including mixtures, products and manufactured items containing these substances. Since this initiative targeted information to address specific data needs for PFHxS, the information gathered and reported here may not represent the entire range of commercial activities in Canada for these substances. When reviewing the summary of responses received, it is important to consider: • the definitions applicable to the notice, • the persons required to provide information, • the exclusions; and, • the reporting requirements.

Datasets available for download

• Notice with respect to perfluorohexane...HTML
  To Download

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• Excel reporting form for responding to: Notice...HTML
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• Guidance manual for responding to : Notice...HTML
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• Information received in response to the data...HTML
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• Data gathered under section 71 of the Canadian...
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• Data gathered under section 71 of the Canadian...
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• Access to information
• CEPA 1999
• CMP
• Canada Gazette
• Canadian...
• Chemical industry
• Chemicals
• Chemicals Management Plan
• Environment
• Nature and Environment
• PFHxS
• Risk management
• Submissions
• Toxic substances
• chemical substances
• data gathering
• section 71

Additional Info

• Maturity Level 1 (46%)
• Maturity Level 2 (23%)
• Maturity Level 3 (0%)
• Maturity Level 4 (0%)
• Maturity Level 5 (0%)
• Maturity Level 6 (0%)

Field	Value
Last Updated	October 20, 2025, 03:16 (UTC)
Created	October 20, 2025, 03:16 (UTC)
Domain / Topic Domain or topic of the dataset being cataloged.
Title Title for the Dataset.	Information received in response to the data gathering initiative on perfluorohexane sulfonic acid, its salts and its precursors (PFHxS)
Description A description of the dataset.	In an effort to increase transparency and to facilitate access to information on substances in Canadian commerce, the Government of Canada is publishing a summary of the information received in response to the Notice with respect to perfluorohexane sulfonic acid, its salts and its precursors (PFHxS). The notice was published on October 10, 2020 in the Canada Gazette, Part I, pursuant to paragraph 71(1)(b) of the Canadian Environmental Protection Act, 1999 (CEPA). The initiative collected information on perfluorohexane sulfonic acid, its salts and its precursors (PFHxS) for the purposes of assessing whether to control, or the manner in which to control, the risks posed by these substances. The notice required manufacturers, importers, exporters and those who used PFHxS in the manufacture of a mixture, product or manufactured item to report commercial quantities and use patterns, including mixtures, products and manufactured items containing these substances. Since this initiative targeted information to address specific data needs for PFHxS, the information gathered and reported here may not represent the entire range of commercial activities in Canada for these substances. When reviewing the summary of responses received, it is important to consider: • the definitions applicable to the notice, • the persons required to provide information, • the exclusions; and, • the reporting requirements.
Tags / Keywords Keywords/tags categorizing the dataset.	Access to information CEPA 1999 CMP Canada Gazette Canadian... Chemical industry Chemicals Chemicals Management Plan Environment Nature and Environment PFHxS Risk management Submissions Toxic substances chemical substances data gathering section 71
Format (CSV, XLS, TXT, PDF, etc) File format of the dataset.
Dataset Size Dataset size in megabytes.
Metadata Identifier Metadata identifier – can be used as the unique identifier for catalogue entry
Published Date Published date of the dataset.	2021-09-30
Time Period Data Span (start date) Start date of the data in the dataset.
Time Period Data Span (end date) End date of time data in the dataset.
GeoSpatial Area Data Span A spatial region or named place the dataset covers.

Field	Value
Access category Type of access granted for the dataset (open, closed, service, etc).
License License used to access the dataset.	Open Government Licence - Canada
Limits on use Limits on use of data.
Location Location of the dataset.	https://open.canada.ca/data/en/dataset/a1b597d5-710e-4dc9-b5e9-0dcb91316ea6
Data Service Data service for accessing a dataset.
Owner Owner of the dataset.	Environment and Climate Change Canada | Environnement et Changement climatique Canada
Contact Point Who to contact regarding access?
Contact Point Email The email to contact regarding access?
Publisher Publisher of the dataset.
Publisher Email Email of the publisher.
Author Author of the dataset.
Author Email Email of the author.
Accessed At Date the data and metadata was accessed.

Field	Value
Identifier Unique identifier for the dataset.
Language Language(s) of the dataset
Link to dataset description A URL to an external document describing the dataset.
Persistent Identifier Data is identified by a persistent identifier.
Globally Unique Identifier Data is identified by a persistent and globally unique identifier.
Contains data about individuals Does the data hold data about individuals?
Contains data about identifiable individuals Does the data hold identifiable data about individual?
Contains Indigenous Data Does the data hold data about Indigenous communities?
Portal Type Platform type of the source portal.

Field	Value
Version Version of the datatset	None
Source Source of the dataset.	None
Version notes Version notes about the dataset.
Is version of another dataset Link to dataset that it is a version of.
Other versions Link to datasets that are versions of it.
Provenance Text Provenance Text of the data.
Provenance URL Provenance URL of the data.
Temporal resolution Describes how granular the date/time data in the dataset is.
GeoSpatial resolution in meters Describes how granular (in meters) geospatial data is in the dataset.
GeoSpatial resolution (in regions) Describes how granular (in regions) geospatial data is in the dataset.

Field	Value
Indigenous Community Permission Who holds the Indigenous Community Permission. Who to contact regarding access to a dataset that has data about Indigenous communities.
Community Permission Community permission (who gave permission).
The Indigenous communities the dataset is about Indigenous communities from which data is derived.

Field	Value
Number of data rows If tabular dataset, total number of rows.
Number of data columns If tabular dataset, total number of unique columns.
Number of data cells If tabular dataset, total number of cells with data.
Number of data relations If RDF dataset, total number of triples.
Number of entities If RDF dataset, total number of entities.
Number of data properties If RDF dataset, total number of unique properties used by the triples.
Data quality Describes the quality of the data in the dataset.
Metric for data quality A metric used to measure the quality of the data, such as missing values or invalid formats.

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