Data and Tools

Method 546: Determination of Total Microcystins and Nodularins in Drinking Water and Ambient Water by Adda Enzyme-Linked Immunosorbent Assay

Analytical method for drinking water analysis.

Method 542: Determination of Pharmaceuticals and Personal Care Products in Drinking Water by Solid Phase Extraction and Liquid Chromatography Electrospray Ionization Tandem Mass Spectrometry

Analytical method for drinking water analysis.

Method 528 Determination of Phenols in Drinking Water

Provides procedures for the determination of phenols in finished drinking water

Method 549.2 Determination of Diquat and Paraquat in Drinking Water by Liquid-Solid Extraction

This is a high performance liquid chromatography (HPLC) method for the
determination of diquat and paraquat in drinking water sources and finished drinking water.

Method 321.8 Determination of Bromate in Drinking Waters by Ion Chromatography

Determination of Bromate in Drinking Waters by Ion Chromatography Inductively Coupled Plasma - Mass Spectrometry

CAP88-PC Version 4.1.1 Downloads and Supporting Documents

Downloads and links to additional resources for EPA's radiation air dispersion modeling risk assessment software, CAP-88 and CAP-88 PC.

EPA Superfund: Electronic Data Submission for Multi-Regions, EDD

Access information about standardized electronic data deliverables for five EPA regions.

Good Samaritan Cleanup Example ASAOC

Learn about the Black Swan Restoration Reach Good Samaritan Project in Colorado, an example Administrative Settlement Agreement and Order on Consent (ASAOC).

Deleted National Priorities List (NPL) Sites - by State

View a list of Superfund sites deleted from the NPL, organized by state and territory. Use the interactive map for quick access.

Deleted National Priorities List (NPL) Sites - by Site Name

View a list of Superfund sites deleted from the NPL, ordered alphabetically by site name.

Deleted National Priorities List (NPL) Sites - by Deletion Date

View a list of Superfund sites deleted from the NPL, ordered chronologically by deletion date.

Construction Completions at NPL Sites - by State

View a list of NPL sites at which construction has been completed, organized by state and territory. Use the interactive map for quick access.

Construction Completions at National Priorities List Sites - by Site Name

View a list of NPL sites at which construction has been completed, ordered alphabetically by Site Name.

Construction Completions at National Priorities List (NPL) Sites - by Number

View a list of NPL sites at which construction has been completed, ordered chronologically by Construction Completion Number.

Vapor Intrusion Database

Instructions for use and link to Vapor Intrusion Database.

Conceptual Model Scenarios for the Vapor Intrusion Pathway

This report provides simplified simulation examples to illustrate graphically how subsurface conditions and building-specific characteristics determine the distribution chemical distribution and indoor air concentration relative to a source concentration.