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Superfund Chemical Data Matrix (SCDM) Query

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

Tips for saving retrieved results as a PDF document:

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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



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 Solub --
Distrib --
Geo Mean Sol --
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, Fresh --
Bioaccumulation, Salt --
ENVIRONMENTAL
Parameter Value
Toxicity, Fresh --
Toxicity, Salt --
Persistence, River --
Persistence, Lake --
Bioaccumulation, Fresh --
Bioaccumulation, Salt --
FACTOR VALUES: SOIL EXPOSURE PATHWAY
 
Parameter Value
Toxicity --
FACTOR VALUES: AIR PATHWAY
 
Parameter Value
Toxicity --
Gas Mobility --
Gas Migration --
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, Fresh CMC -- --
Acute, Salt CMC -- --
Chronic, Fresh CCC -- --
Chronic, Salt CCC -- --
BENCHMARKS: SOIL EXPOSURE PATHWAY
 
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 Ing -- --
Cancer Risk Soil Gam -- --
AIR
Parameter Value Unit
Cancer Risk -- --
DATA ELEMENTS: TOXICITY
 
Parameter Value Unit Source
Oral RfD -- -- --
Inhal RfD -- -- --
RfC -- -- --
Oral Slope, Food -- -- --
Oral Slope, Soil -- -- --
Oral Slope, Water -- -- --
Oral Slope -- -- --
Oral Wt-of-Evid -- -- --
IUR -- -- --
IUR Wt-of-Evid -- -- --
Inhal Slope -- -- --
Inhal Slope -- -- --
Extern. Exp Slope -- -- --
Lambda -- -- --
Area Correct -- -- --
Oral ED10 -- -- --
Oral ED10 Wgt -- -- --
Inhal ED10 -- -- --
Inhal ED10 Wgt -- -- --
Oral LD50 -- -- --
Dermal LD50 -- -- --
Gas Inhal LC50 -- -- --
Dust Inhal LC50 -- -- --
Acute, Fresh CMC -- -- --
Acute, Salt CMC -- -- --
Chronic, Fresh CCC -- -- --
Chronic, Salt CCC -- -- --
Fresh Ecol LC50 -- -- --
Salt Ecol LC50 -- -- --
DATA ELEMENTS: PERSISTENCE
 
LAKE- HALFLIVES
Parameter Value Unit Source
Hydrolysis -- -- --
Volatility -- -- --
Final Photolysis -- -- --
Direct Photolysis -- -- --
Indirect Photolysis -- -- --
Unspecified Photolysis -- -- --
Biodeg -- -- --
Radio -- -- --
RIVER- HALFLIVES
Parameter Value Unit Source
Hydrolysis -- -- --
Volatility -- -- --
Final Photolysis -- -- --
Direct Photolysis -- -- --
Indirect Photolysis -- -- --
Unspecified Photolysis -- -- --
Biodeg -- -- --
Radio -- -- --
OTHER
Parameter Value Unit Source
Log Kow -- -- --
DATA ELEMENTS: MOBILITY
 
Parameter Value Unit Source
Vapor Press -- -- --
Henry’s Law -- -- --
Water Solub -- -- --
Distrib Coef -- -- --
Geo Mean Sol -- -- --
DATA ELEMENTS: BIOACCUMULATION
 
FOOD CHAIN
Parameter Value Unit Source
Fresh BCF -- -- --
Salt BCF -- -- --
ENVIRONMENTAL
Parameter Value Unit Source
Fresh BCF -- -- --
Salt BCF -- -- --
OTHER
Parameter Value Unit Source
Log Kow -- -- --
Water Solub -- -- --
Geo Mean Sol -- -- --
DATA ELEMENTS: PHYSICAL CHARACTERISTICS
 
Parameter Value Unit
Metal Contain --  
Organic --  
Gas --  
Particulate --  
Radionuclide --  
Rad. Element --  
Molecular Weight --  
Density --   --  
DATA ELEMENTS: OTHER DATA
 
Parameter Value Unit
Melting Point -- --
Boiling Point -- --
Formula --  
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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