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Superfund Chemical Data Matrix Query

Last Update: January 2025

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.
In Google Chrome:
  1. Right click on the Google Chrome content area and select the "Print" option (or press Ctrl-P on your keyboard). The browser will open the print window.
  2. From the “Destination” dropdown menu, select the “Save as PDF” option.
  3. Click the "Save" button and save the file to the desired folder.

In Firefox:
  1. Click on the main menu and select the "Print" icon, then click the “Print” button from the print preview window (or press Ctrl-p on your keyboard). The browser will open the print window.
  2. From the “General” tab, select the “Adobe PDF” option from the “Select Printer” area.
  3. Click the "Print" button and save the file to the desired folder.

In Microsoft Edge:
  1. Click on the main menu and select the "Print" option (or press Ctrl-p on your keyboard). The browser will open the print window.
  2. From the “Printer” dropdown menu, select the “Adobe PDF” option.
  3. Click the “Print” button and save the file to the desired folder.

In Internet Explorer:
  1. Click on the “File” menu and select the “Print” option (or press Ctrl-p on your keyboard). The browser will open the print window.
  2. From the “General” tab, select the “Adobe PDF” option from the “Select Printer” area.
  3. Click the “Print” button and save the file to the desired folder.

In Safari:
  1. Click on the "File" menu and select the "Print" option (or press Command-p on your keyboard). The browser will open the print window.
  2. Select "Save as PDF..." in the "PDF" dropdown menu.
  3. Select the desired folder and click “Save.”
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.

OR

A maximum of 75 substances can be reported at one 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
--
 
 
 
 
    

Type the name of the substance you are looking for and select "Go." Select any CASRN to add a substance to the list of selected substances and be returned to the main query page.

CASRN Synonym

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Last updated on January 31, 2025
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