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Superfund

Superfund Chemical Data Matrix (SCDM) Query

Last Update: January 2021

This site allows you to easily query the Superfund Chemical Data Matrix (SCDM) and generate a list of the corresponding Hazard Ranking System (HRS) factor values, benchmarks, and data elements that you need. 

Click this link to find tips for saving retrieved results as a PDF document in different browsers.
Step 1. Select Substances by Search or List

Can't find what you are looking for? See if your substance name is a synonym for one of our compounds in the Substance Registry System (SRS) Database.

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Selecting all substances and parameters may result in extended processing time.

Step 2. Select Parameters to Display
HRS Factor Values:
HRS Benchmarks:
Data Elements:
Note: Radionuclide benchmarks are populated only for substances classified as a "(radionuclide)"
 
Step 3. Retrieve Results

Report URL:  

Substance:  
[CASRN  ]

Query Accessed:  
Factor Values: Ground Water Pathway
 
Parameter Value
Toxicity --
Water Solubility --
Distribution Coefficient --
Geometric Mean Solubility --
Mobility: Liquid, Karst --
Mobility: Liquid, Non-Karst --
Mobility: Non-Liquid, Karst --
Mobility: Non-Liquid, Non-Karst --
Factor Values: Surface Water Pathway
 
DRINKING WATER
Parameter Value
Toxicity --
Persistence, River --
Persistence, Lake --
HUMAN FOOD CHAIN
Parameter Value
Toxicity --
Persistence, River --
Persistence, Lake --
Bioaccumulation, Freshwater --
Bioaccumulation, Saltwater --
ENVIRONMENTAL
Parameter Value
Toxicity, Freshwater --
Toxicity, Saltwater --
Persistence, River --
Persistence, Lake --
Bioaccumulation, Freshwater --
Bioaccumulation, Saltwater --
Factor Values: Soil Exposure Component
 
Parameter Value
Toxicity --
Factor Values: Subsurface Intrusion Component
 
Parameter Value
Toxicity --
Vapor Migration Potential --
SsI Overall Half-life (days) --
Radioactive Half-life (days) --
SsI Volatile --
Factor Values: Air Pathway
 
Parameter Value
Toxicity --
Gas Mobility --
Gas Migration Potential --
Benchmarks: Ground Water Pathway
 
Parameter Value Unit
MCL -- --
MCLG -- --
Cancer Risk -- --
Non-Cancer Risk -- --
Benchmarks: Surface Water Pathway
 
DRINKING WATER
Parameter Value Unit
MCL -- --
MCLG -- --
Cancer Risk -- --
Non-Cancer Risk -- --
HUMAN FOOD CHAIN
Parameter Value Unit
FDAAL -- --
Cancer Risk -- --
Non-Cancer Risk -- --
ENVIRONMENTAL
Parameter Value Unit
Acute, Freshwater CMC -- --
Acute, Saltwater CMC -- --
Chronic, Freshwater CCC -- --
Chronic, Saltwater CCC -- --
Benchmarks: Soil Exposure Component
 
Parameter Value Unit
Cancer Risk -- --
Non-Cancer Risk -- --
Benchmarks: Subsurface Intrusion Component
 
Parameter Value Unit
Cancer Risk -- --
Non-Cancer Risk -- --
Benchmarks: Air Pathway
 
Parameter Value Unit
NAAQS -- --
NESHAPS -- --
Cancer Risk -- --
Non-Cancer Risk -- --
Benchmarks: Radionuclide
 
DRINKING WATER
Parameter Value Unit
MCL -- --
Cancer Risk -- --
HUMAN FOOD CHAIN
Parameter Value Unit
Cancer Risk -- --
SOIL
Parameter Value Unit
UMTRCA -- --
Cancer Risk Soil Ingestion -- --
Cancer Risk Soil Gamma -- --
SUBSURFACE INTRUSION
Parameter Value Unit
Cancer Risk -- --
AIR
Parameter Value Unit
Cancer Risk -- --
Data Elements: Toxicity
 
Parameter Value Unit Source
RfD -- -- --
RfC -- -- --
Oral Slope Factor, Food -- -- --
Oral Slope Factor, Soil -- -- --
Oral Slope Factor, Water -- -- --
Slope Factor -- -- --
Slope Factor WOE -- -- --
IUR -- -- --
IUR WOE -- -- --
Inhalation Slope -- -- --
External Exposure Slope -- -- --
Lambda -- -- --
Area Correction Factor -- -- --
Oral ED10 -- -- --
Oral ED10 WOE -- -- --
Inhalation ED10 -- -- --
Inhalation ED10 WOE -- -- --
Oral LD50 -- -- --
Dermal LD50 -- -- --
Gas Inhalation LC50 -- -- --
Dust Inhalation LC50 -- -- --
Acute, Freshwater CMC -- -- --
Acute, Saltwater CMC -- -- --
Chronic, Freshwater CCC -- -- --
Chronic, Saltwater CCC -- -- --
Freshwater Ecological LC50 -- -- --
Saltwater Ecological LC50 -- -- --
Data Elements: Persistence
 
LAKE HALF-LIVES
Parameter Value Unit Source
Hydrolysis -- -- --
Volatility -- -- --
Final Photolysis -- -- --
Direct Photolysis -- -- --
Indirect Photolysis -- -- --
Unspecified Photolysis -- -- --
Biodegradation -- -- --
Radioactive -- -- --
RIVER HALF-LIVES
Parameter Value Unit Source
Hydrolysis -- -- --
Volatility -- -- --
Final Photolysis -- -- --
Direct Photolysis -- -- --
Indirect Photolysis -- -- --
Unspecified Photolysis -- -- --
Biodegradation -- -- --
Radioactive -- -- --
OTHER
Parameter Value Unit Source
Log Kow -- -- --
Data Elements: SsI Degradation
 
HALFLIVES
Parameter Value Unit Source
SsI Hydrolysis -- -- --
SsI Biodegradation -- -- --
SsI Overall -- -- --
Radioactive -- -- --
Data Elements: Mobility/Migration Potential
 
Parameter Value Unit Source
Vapor Pressure -- -- --
Henry’s Law Constant -- -- --
Water Solubility -- -- --
Distribution Coefficient -- -- --
Geometric Mean Solubility -- -- --
Koc -- -- --
Data Elements: Bioaccumulation
 
FOOD CHAIN
Parameter Value Unit Source
Freshwater BCF -- -- --
Saltwater BCF -- -- --
ENVIRONMENTAL
Parameter Value Unit Source
Freshwater BCF -- -- --
Saltwater BCF -- -- --
OTHER
Parameter Value Unit Source
Log Kow -- -- --
Water Solubility -- -- --
Geometric Mean Solubility -- -- --
Data Elements: Physical Characteristics
 
Parameter Value Unit
Metal Containing --  
Organic --  
Air Pathway Gas --  
Air Pathway Particulate --  
SsI Volatile --  
Radionuclide --  
Radioactive Element --  
Mutagen --  
Molecular Weight --  
Density --   --  
Data Elements: Other Data
 
Parameter Value Unit
Melting Point -- --
Boiling Point -- --
Formula --  
Koc Equation --  
Data Elements: Class Information
 
Parameter Value
Parent Substance
--