Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

    • Environmental Topics
    • Air
    • Bed Bugs
    • Chemicals and Toxics
    • Climate Change
    • Emergency Response
    • Environmental Information by Location
    • Environmental Justice
    • Greener Living
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Pesticides
    • Radon
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Guidance
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • EPA Administrator
    • Organization Chart
    • Staff Directory
    • Planning, Budget, and Results
    • Jobs and Internships
    • Headquarters Offices
    • Regional Offices
    • Lab and Research Centers
Related Topics:
  • Pesticide Analytical Methods
Contact Us

Environmental Chemistry Methods (ECM) Index - 0-9

  • 0-9
  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • K
  • L
  • M
  • N
  • O
  • P
  • Q
  • R
  • S
  • T
  • V
  • Z
Analyte(s) by Pesticide ECM MRID Matrix Method Date
1,2,4-triazole 49762553 Water 2/19/13
1,3-dichloropropene & 1,2-dichloropropane 44536511 Soil 3/27/98
1,3-dichloropropene & 1,2-dichloropropane 44536511 Water 3/27/98
1,3-dichloropropene Degradate 3-chloroallyl Alcohol 44536505 Water 12/12/97
1,3-dichloropropene Degradate 3-chloroallyl Alcohol 44536501 Soil 12/12/97
1,3-dichloropropene Degradate 3-chloroacrylic Acid 44536504 Soil 12/10/97
1,3-dichloropropene Degradate 3-chloroacrylic Acid 44536504 Water 12/10/97
2,4-D 49314202 Water 3/15/94
2,4-D 49314201 Soil/Sedment 8/16/94
2,4-D 49775206 Water 8/11/14
2,4-D 49775206 Soil 8/5/14
2,4-D & Degradates 49709301 Water 1/26/12
2,4-D & Degradates 43954701 Soil 8/16/94
2,4-D & Degradates 50454301 Soil / Sediment 1/9/17
2,4-D & Degradates 43954701 Water 3/15/94
2,4-DB 41325502 Soil 11/29/89
2,4-DB 49775206 Water 8/11/14
2,4-DB 49775206 Soil 8/5/14
2,4-DP-p (Dichlorprop-p) 49775206 Soil 8/5/14
2,4-DP-p (Dichlorprop-p) & Degradates 44243401 Soil 10/5/94
2,4-DP-p (Dichlorprop-p) 49775206 Soil 8/5/14
2,4-DP-p (Dichlorprop-p) 49775206 Water 8/11/14
DISCLAIMER

EPA makes no claim of validity by posting these methods, but recognizes that the methods may be of some utility to state, tribal, and local authorities. In addition, not all methods listed are independently validated.

Contact Us to ask a question, provide feedback, or report a problem.
Last updated on June 15, 2022
United States Environmental Protection Agency

Discover.

  • Accessibility
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy
  • Privacy and Security Notice

Connect.

  • Data.gov
  • Inspector General
  • Jobs
  • Newsroom
  • Open Government
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions

Follow.