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Dichlorvos Interim Reregistration Eligibility Decision; Notice of Availability

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Information about this document as published in the Federal Register.

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Environmental Protection Agency (EPA).




This notice announces the availability of EPA's Interim Reregistration Eligibility Decision (IRED) for the organophosphate (OP) pesticide dichlorvos (DDVP), and opens a public comment period on this document. The Agency's risk Start Printed Page 37569assessments and other related documents also are available in the DDVP Docket. DDVP is an organophosphate insecticide and fumigant registered for use in controlling flies, mosquitoes, gnats, cockroaches, fleas, and other insect pests. EPA has reviewed DDVP through the public participation process that the Agency uses to involve the public in developing pesticide reregistration and tolerance reassessment decisions. Through these programs, EPA is ensuring that all pesticides meet current health and safety standards.


Comments must be received on or before August 29, 2006.


Submit your comments, identified by docket identification (ID) number EPA-HQ-OPP-2002-0302, by one of the following methods:

  • Federal eRulemaking Portal: Follow the on-line instructions for submitting comments.
  • Mail: Office of Pesticide Programs (OPP) Regulatory Public Docket (7502P), Environmental Protection Agency, 1200 Pennsylvania Ave., NW., Washington, DC 20460-0001.
  • Delivery: OPP Regulatory Public Docket (7502P), Environmental Protection Agency, Rm. S-4400, One Potomac Yard (South Bldg.), 2777 S. Crystal Drive, Arlington, VA. Deliveries are only accepted during the Docket's normal hours of operation (8:30 a.m. to 4 p.m., Monday through Friday, excluding legal holidays). Special arrangements should be made for deliveries of boxed information. The Docket Facility telephone number is (703) 305-5805.

Instructions: Direct your comments to docket ID number EPA-HQ-OPP-2002-0302. EPA's policy is that all comments received will be included in the docket without change and may be made available on-line at, including any personal information provided, unless the comment includes information claimed to be Confidential Business Information (CBI) or other information whose disclosure is restricted by statute. Do not submit information that you consider to be CBI or otherwise protected through or e-mail. The Federal website is an “anonymous access” system, which means EPA will not know your identity or contact information unless you provide it in the body of your comment. If you send an e-mail comment directly to EPA without going through, your e-mail address will be automatically captured and included as part of the comment that is placed in the docket and made available on the Internet. If you submit an electronic comment, EPA recommends that you include your name and other contact information in the body of your comment and with any disk or CD-ROM you submit. If EPA cannot read your comment due to technical difficulties and cannot contact you for clarification, EPA may not be able to consider your comment. Electronic files should avoid the use of special characters, any form of encryption, and be free of any defects or viruses.

Docket: All documents in the docket are listed in the docket index. Although listed in the index, some information is not publicly available, e.g., CBI or other information whose disclosure is restricted by statute. Certain other material, such as copyrighted material, is not placed on the Internet and will be publicly available only in hard copy form. Publicly available docket materials are available either in the electronic docket at, or, if only available in hard copy, at the OPP Regulatory Public Docket in Rm. S-4400, One Potomac Yard (South Bldg.), 2777 S. Crystal Drive, Arlington, VA. The hours of operation of this Docket Facility are from 8:30 a.m. to 4 p.m., Monday through Friday, excluding legal holidays. The Docket Facility telephone number is (703) 305-5805.

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Dayton Eckerson, Special Review and Reregistration Division (7508P), Office of Pesticide Programs, Environmental Protection Agency, 1200 Pennsylvania Ave., NW., Washington, DC 20460-0001; telephone number: (703) 308-8038; fax number: (703) 308-8005; e-mail address:

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I. General Information

A. Does this Action Apply to Me?

This action is directed to the public in general, and may be of interest to a wide range of stakeholders including environmental, human health, and agricultural advocates; the chemical industry; pesticide users; and members of the public interested in the sale, distribution, or use of pesticides. Since others also may be interested, the Agency has not attempted to describe all the specific entities that may be affected by this action. If you have any questions regarding the applicability of this action to a particular entity, consult the person listed under FOR FURTHER INFORMATION CONTACT.

B. What Should I Consider as I Prepare My Comments for EPA?

1. Submitting CBI. Do not submit this information to EPA through or e-mail. Clearly mark the part or all of the information that you claim to be CBI. For CBI information in a disk or CD ROM that you mail to EPA, mark the outside of the disk or CD ROM as CBI and then identify electronically within the disk or CD ROM the specific information that is claimed as CBI. In addition to one complete version of the comment that includes information claimed as CBI, a copy of the comment that does not contain the information claimed as CBI must be submitted for inclusion in the public docket. Information so marked will not be disclosed except in accordance with procedures set forth in 40 CFR part 2.

2. Tips for preparing your comments. When submitting comments, remember to:

i. Identify the document by docket ID number and other identifying information (subject heading, Federal Register date and page number).

ii. Follow directions. The Agency may ask you to respond to specific questions or organize comments by referencing a Code of Federal Regulations (CFR) part or section number.

iii. Explain why you agree or disagree; suggest alternatives and substitute language for your requested changes.

iv. Describe any assumptions and provide any technical information and/or data that you used.

v. If you estimate potential costs or burdens, explain how you arrived at your estimate in sufficient detail to allow for it to be reproduced.

vi. Provide specific examples to illustrate your concerns and suggest alternatives.

vii. Explain your views as clearly as possible, avoiding the use of profanity or personal threats.

viii. Make sure to submit your comments by the comment period deadline identified.

II. Background

A. What Action is the Agency Taking?

Under section 4 of the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), EPA is reevaluating existing pesticides to ensure that they meet current scientific and regulatory standards. EPA completed an IRED for the OP pesticide DDVP on June 23, 2006, and is now issuing this document for public comment. DDVP is an OP insecticide and fumigant registered for use in controlling flies, mosquitoes, gnats, cockroaches, fleas, and other Start Printed Page 37570insect pests. Formulations of DDVP include pressurized liquid, granular, emulsifiable concentrate, total release aerosol, and impregnated material. DDVP is applied with aerosols and fogging equipment, with ground spray equipment, and through slow release from impregnated materials, such as resin strips and pet collars. DDVP is registered to control insect pests on agricultural sites; commercial, institutional and industrial sites; and for domestic use in and around homes (i.e., resin strips) and on pets. DDVP is used preplant in mushroom houses, and postharvest in storage areas for bulk, packaged and bagged raw and processed agricultural commodities, food manufacturing/processing plants, animal premises, and non-food areas of food-handling establishments. It is also registered for direct dermal pour-on treatment of cattle and poultry, and swine. DDVP is not registered for direct use on any field grown commodities. The DDVP IRED presents the Agency's conclusions on the risks posed by exposure to DDVP alone; however, section 408(b)(2)(D)(v) of the Federal Food, Drug, and Cosmetic Act (FFDCA) directs the Agency also to consider available information on the cumulative risk from substances sharing a common mechanism of toxicity. Because the OP pesticides share a common mechanism of toxicity, the Agency will evaluate the cumulative risk posed by this group before making final reregistration eligibility decisions on individual OPs.

During completion of the OP cumulative assessment, the Agency is proceeding with risk assessments and interim risk management for individual OP pesticides. EPA has determined that, but for the cumulative risk assessment, the data base to support DDVP reregistration is substantially complete and that products containing DDVP will be eligible for reregistration, provided the risks are addressed in the manner described in the IRED. After assessing OP cumulative risks, EPA will make a final reregistration decision under section 4(g)(2)(C) for products containing DDVP. When the Agency finalizes decisions for DDVP and other OP pesticides, further risk mitigation may be required for DDVP. On completion of these final decisions for DDVP and other OP pesticides, EPA will also consider all DDVP tolerances, or legal limits, for residues of DDVP in or on food commodities to be reassessed in accordance with the current FFDCA safety standard.

EPA is applying the principles of public participation to all pesticides undergoing reregistration and tolerance reassessment. The Agency's Pesticide Tolerance Reassessment and Reregistration; Public Participation Process, was published in the Federal Register on May 14, 2004 (69 FR 26819) (FRL-7357-9). DDVP was reviewed through the public participation process during which, EPA worked with stakeholders and the public to reach the regulatory decisions for DDVP.

The reregistration program is being conducted under Congressionally mandated time frames, and EPA recognizes the need both to make timely reregistration decisions and to involve the public. The Agency is issuing the DDVP IRED for public comment. This comment period is intended to provide an additional opportunity for public input and a mechanism for initiating any necessary amendments to the IRED. All comments should be submitted using the methods in ADDRESSES, and must be received by EPA on or before the closing date. These comments will become part of the Agency Docket for DDVP. Comments received after the close of the comment period will be marked “late.” EPA is not required to consider these late comments.

The Agency will carefully consider all comments received by the closing date and will provide a Response to Comments Memorandum in the Docket and If any comment significantly affects the document, EPA also will publish an amendment to the IRED in the Federal Register. In the absence of substantive comments requiring changes, the risk management decisions reflected in the DDVP IRED will be implemented as presented. These decisions may be supplemented by further risk mitigation measures when EPA considers its cumulative assessment of the OP pesticides.

The Agency received a submission on June 2, 2006, from the Natural Resources Defense Council (NRDC), petitioning the Agency to conclude the DDVP Special Review, Reregistration and Tolerance Reassessment processes, and to revoke all tolerances and cancel all registrations for DDVP. This petition has been placed in the public docket. The IRED released today does not constitute a response to this petition. The Agency is currently reviewing this petition and will respond to it in conjunction with all other public comments received, after the comment period on the IRED closes.

B. What is the Agency's Authority for Taking this Action?

Section 4(g)(2) of FIFRA as amended directs that, after submission of all data concerning a pesticide active ingredient, “the Administrator shall determine whether pesticides containing such active ingredient are eligible for reregistration,” before calling in product-specific data on individual end-use products and either reregistering products or taking other “appropriate regulatory action.”

Section 408(q) of FFDCA, 21 U.S.C. 346a(q), requires EPA to review tolerances and exemptions for pesticide residues in effect as of August 2, 1996, to determine whether the tolerance or exemption meets the requirements of section 408(b)(2) or (c)(2) of FFDCA. This review is to be completed by August 3, 2006.

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Dated: June 23, 2006.

Debra Edwards,

Director, Special Review and Reregistration Division, Office of Pesticide Programs.

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[FR Doc. 06-5892 Filed 6-29-06; 8:45 am]