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Note 1: For the purposes of this option, USGBC has mapped the GHS Hazard Categorizations to low, moderate, high, and very high. Persistence and bioaccumulation characteristics are factored into the aquatic environment hazards endpoints. As an alternative, if GHS categorizations for the aquatic endpoints are not available and specific empirical science is also not available, then the online PBT Profiler (http://www.pbtprofiler.net/) can be used to determine if the substance falls within the associated GHS categories:
Note 1a: If the fish chronic value (ChV) in the PBT Profiler (or more appropriate metric, as approved by the auditor) is less than 10 mg/L the substance is screened as having a Category 1 or 2 Acute Hazard GHS classification.
Note 1b: If the fish chronic value (ChV) in the PBT Profiler is less than 0.1 mg/L the substance is screened as having a Category 1 or 2 Chronic Hazard GHS classification.
Note 2: In general, this table establishes GHS Category criteria for each endpoint so that chemicals with only "low" or "moderate" hazard classifications for each endpoint pass the rapid hazard screening criteria. The exception is skin irritation, where chemicals characterized as GHS Category 2 (defined as “skin irritation, reversible adverse effects in dermal tissue”) will pass through the screen at the base level of achievement.
Note 3: For Enhanced Achievement in the Rapid Hazard Screen, in addition to the Base Level of Achievement, the inclusion of GHS Category 2 for the Carcinogenicity, Mutagenicity, and Reproductive Toxicity (“CMR”), and Systemic Toxicity & Organ Effects Repeated Exposure sub‐endpoint (ST‐repeat) endpoints allows only chemicals with a “low" hazard condition to pass through the screen. Under GHS language, GHS Category 2 chemicals in one or more CMR endpoints show evidence of having the specific hazard characteristic to be “suspected” of being carcinogenic, etc. This is in contrast to chemicals that are GHS Category 1A or 1B for one or more of the CMR endpoints, which indicate higher hazard evidence that the chemical is a “known” or “presumed" carcinogen, etc.
Similarly, the Enhanced Achievement Criteria adds GHS Category 2 for Skin Irritation as a trigger for further action in addition to CMR endpoints. To receive Enhanced Achievement Credit via the Rapid Hazard Screen, only chemicals showing evidence of moderate or low hazard for Skin Irritation (GHS Category 3) will pass the Enhanced Achievement Rapid Hazard Screening Criteria.