Record Display for the EPA National Library Catalog


OLS Field Name OLS Field Data
Main Title Establishing an Observed Release.
CORP Author Environmental Protection Agency, Washington, DC. Office of Emergency and Remedial Response.
Publisher Sep 95
Year Published 1995
Report Number EPA/540/F-94/031 ;OSWER-9285.7-20FS;
Stock Number PB94-963314
Additional Subjects Pollution sampling ; Ecological concentration ; Site surveys ; Superfund ; Environmental pollution ; Land pollution ; Water pollution ; Hazardous materials ; Level(Quantity) ; Environmental transport ; Path of pollutants ; Remediation ; Hazard Ranking System ; National Priorities List ; Superfund Accelerated Cleanup Model
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
NTIS  PB94-963314 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 02/29/1996
Collation 8p
EPA uses the Hazard Ranking System (HRS) (40 CFR Part 300, App. A) to evaluate Superfund sites to be proposed on the National Priorities List (NPL). Based on the HRS criteria, an observed release is established when contaminants have migrated away from a site through environmental media. This fact sheet describes an observed release, the data required, and the process used to document it. Efficient sampling also is emphasized to optimize the use of limited resources, which is especially important in light of conducting integrated assessments under the Superfund Accelerated Cleanup Model (SACM).