Where do these hazard assignments come from?
The health and environmental hazards in the hazard summary table have been associated with this substance in hazard lists developed by scientific bodies such as the US EPA or International Agency for Research on Cancer (IARC).
The hazard levels (e.g. high, moderate, or low concern) are determined by the GreenScreen List Translator™ for most lists and by Habitable for the remainder. If there are multiple listings for one endpoint, the hazard level displayed is the highest for the most authoritative category of lists.
See the Overview of the GreenScreen Method and the Pharos Chemical and Material Library system description for more information.
How do I see all the hazard lists the chemical is on?
If there are multiple hazard listings for an endpoint, there will be a button under “Other Lists” in the full Hazard Lists table indicating how many other listings exist for this chemical. Clicking on this button will expand a list of all hazard listings for the endpoint.
What are the asterisks in the Hazard List table?
In most instances, they indicate a hazard is assigned because the chemical is a member of a group. Scientific hazard lists sometimes specify a chemical group (such as trimethyltin compounds) without a defined list of CASRNs. For these, Pharos creates a list of CASRNs that meet the group criteria. Move your cursor over the asterisk for the group name, and click the asterisk to see the group and its definition. See the Compound Groups page for more information on how these groups are determined.
Less frequently, an asterisk may indicate a hazard is assigned because the chemical has been identified as a synonym of another chemical that has been specified by the hazard list. In these cases, moving your cursor over the asterisk will indicate the synonym chemical name and CAS number, and clicking on it will redirect to that chemical’s complete profile.
How can I learn more about the hazard lists?
Click on any hazard list name in the full Hazard Lists table for a detailed description and full list of chemicals associated with that list. Or browse or search the complete list of Hazard Lists used in Pharos. See the Pharos Chemical and Material Library system description for additional details.
What are the C2C Hazards? The Cradle to Cradle Certified Product Standard establishes a Material Health Assessment Methodology which assigns hazard ratings to 24 individual human and environmental health endpoints. Roll your cursor over the abbreviations (C, M, R+D, etc) in the table to see the full name of each endpoint (Carcinogenicity, Mutagenicity, Reproductive Toxicity, etc). Organohalogen and Toxic Metal are classes of chemicals generally associated with significant human and environmental health issues and are specially treated in the C2C Standard.
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The hazard rating is a Green-Yellow-Red-Grey color scheme based upon available toxicity and fate information:
- Green: no hazard identified for the endpoint
- Red: hazard identified for the endpoint
- Yellow: borderline
- Grey: no data available for the endpoint
This tab shows the preliminary hazard ratings based upon hazard lists tracked in the Pharos Chemical & Material Library. During full assessment for certification purposes, Grey hazards must be filled by an accredited assessor and other list-based hazards may be overridden.
Why are these rating colors sometimes different from the GreenScreen or Pharos rating colors? The C2C hazard rating colors are similar to those used in the GreenScreen system and in Pharos, with some distinctions. Pharos has two additional rating colors - orange and purple - not used in the C2C or GreenScreen systems. Pharos orange, red and purple ratings generally encompass the C2C & GreenScreen red ranges. There are some distinctions between the GreenScreen and C2C thresholds that result in different color assignments that are under consideration for harmonization. See the Material Health Evaluation Programs Harmonization Opportunities Report for details. For substances that have been fully assessed under the GreenScreen protocol, there may be different colors due to the application of data from studies that provide information beyond that in the hazard lists.
If interested in assessing the chemicals in a product, please also review the link below describing "How to Use These Scores in a C2C Assessment".
The top table displays preliminary hazard ratings for individual endpoints based on the hazard lists a given chemical appears on. During the assessment, an accredited Cradle to Cradle Certified Material Health Assessor may override these list-based hazard ratings based on information from other sources. Additionally, a red hazard rating in any one endpoint does not automatically mean that a substance will be x-assessed and targeted for phase-out, as exposure relevant to the endpoint may be deemed non-plausible for the substance depending on the material and product context in which it is being assessed.
The bottom table (Full Hazard List by Endpoint) includes all warnings associated with the substance from each of the authoritative hazard lists used by C2C, as well as additional lists in the Pharos Chemical and Material Library. C2C lists are labeled with their C2C hazard rating (Red, Yellow, or Green), while non-C2C lists are labeled as "not rated".
The ratings for the hazard lists used in this tool are based on Table 9 in the Material Assessment Methodology, Cradle to Cradle Certified Version 3.0 with a few minor adjustments/additions to allow for direct mapping from GreenScreen List Translator™ results for a subset of the covered lists. The v3.0 Material Assessment Methdology document can be found on the C2C Resources page at http://www.c2ccertified.org/resources/collection-page/cradle-to-cradle-certified-resources. For information on the relevant adjustments/additions, contact Matteo Kausch at .
Key
R: Red hazard level
Y: Yellow hazard level
G: Green hazard level
?: On a hazard list that has not been rated by C2C
-: Not listed on any C2C or Pharos hazard lists
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