Science & Technology

WhAEM2000 BBM Files - Gunnison, Colorado

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Gunnison Quadrangle, Colorado. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Greeley, Colorado

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Greeley Quadrangle, Colorado. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Grand Junction, Colorado

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Grand Junction Quadrangle, Colorado. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Glenwood Springs, Colorado

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Glenwood Springs Quadrangle, Colorado. Files serve as geographic basis for groundwater modeling.

Southern Nevada Perchlorate Cleanup Project

An overview of a perchlorate cleanup project in southern nevada that includes a timeline

AQS Use of Collocated PM2.5 Data and Parameter Occurrence Codes

On-Line Data Tools - Maintain Overview

Overview of the Maintain Forms in AQS

City of Henderson Water Quality Report 2008

Water quality report for the city of henderson that explains water quality and assessment and provides qater quality data from 2007

Re: Request for Correction: "Drinking Water: Determination on Perchlorate

Request for correction (RFC) of information developed and relied upon by the Environmental Protection Agency (EPA or Agency) to support its determination to regulate perchlorate under the Safe Drinking Water Act (SDWA).

Request for Correction (RFC # 12001) - Analyses associated with the impact of biofuels

Notification to Mr Kazman that the EPA response to RFC 12001 is taking longer than expected.

EPA response to Mr Kazman on RFC 12001

EPA response to Mr Kazman on RFC 12001 notifying that the request was denied on the grounds that the information in question is appropriate for its intended use.

Water Quality Standards Regulations: Pueblo of Sandia

Information related to Water Quality Standards for Pueblo of Sandia.

RE: Request for Correction (RFC # 11001) - Draft IRIS assessment for Halogenated Platinum Salts

Letter to Ms Randlshofer that the issues raised in RFC 11001 are being reviewed.

Purchasing of Services and Supplies

Field Branches Quality System and Technical Procedures

EPA response to RFC 12004

EPA response to Mr Kovacs notifying that RFC 12004 was denied on the grounds that the data was appropriate for use in the context of regulatory determination for perchlorate

EPA Status Update on Request for Correction #13001

Letter to Mr. Mowrey and Mr. Zygmont informing them that complications have resulted in an internal review being delayed.

EPA Status Update on Request for Correction #14001

The EPA completed its review of information quality concerns in RFC 14001 and is doing internal agency review of the draft response.