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Skip Navigation HomeHelpResourcesContact Us Advanced Search Start of Main Content Exemptions from the Requirement of a Tolerance: Alkyl (C8-C18) dimethylamidopropylamines This Rule document was issued by the Environmental Protection Agency (EPA)For related information, Open Docket Folder Show agency attachment(s) ENVIRONMENTAL PROTECTION AGENCY
[EPA-HQ-OPP-2012-0106; FRL-9369-2]
Alkyl(C
SummaryThis regulation establishes an exemption from the requirement of a tolerance for residues of the N-alkyl(C 8-C 18) dimethylamidopropylamines where the alkyl group is linear and may be saturated and/or unsaturated when used as an inert ingredient at levels not to exceed 20% in herbicide formulations applied to growing crops. Dow AgroSciences, LLC, submitted a petition to EPA under the Federal Food, Drug, and Cosmetic Act (FFDCA), requesting establishment of an exemption from the requirement of a tolerance. This regulation eliminates the need to establish a maximum permissible level for residues of the N-alkyl(C 8-C 18) dimethylamidopropylamines.
DatesThis regulation is effective December 6, 2012. Objections and requests for hearings must be received on or before February 4, 2013, and must be filed in accordance with the instructions provided in 40 CFR part 178 (see also Unit I.C. of theSUPPLEMENTARY INFORMATION).
AddressesThe docket for this action, identified by docket identification (ID) number EPA-HQ-OPP-2012-0106, is available at http://www.regulations.gov or at the Office of Pesticide Programs Regulatory Public Docket (OPP Docket) in the Environmental Protection Agency Docket Center (EPA/DC), EPA West Bldg., Rm. 3334, 1301 Constitution Ave. NW., Washington, DC 20460-0001. The Public Reading Room is open from 8:30 a.m. to 4:30 p.m., Monday through Friday, excluding legal holidays. The telephone number for the Public Reading Room is (202) 566-1744, and the telephone number for the OPP Docket is (703) 305-5805. Please review the visitor instructions and additional information about the docket available at http://www.epa.gov/dockets. For Further Information ContactWilliam Cutchin, Registration Division (7505P), Office of Pesticide Programs, Environmental Protection Agency, 1200 Pennsylvania Ave. NW., Washington, DC 20460-0001; telephone number: (703) 305-7990; email address: cutchin.william@epa.gov. Supplementary InformationI. General InformationA. Does this action apply to me?You may be potentially affected by this action if you are an agricultural producer, food manufacturer, or pesticide manufacturer. The following list of North American Industrial Classification System (NAICS) codes is not intended to be exhaustive, but rather provides a guide to help readers determine whether this document applies to them. Potentially affected entities may include: Crop production (NAICS code 111).
Pesticide manufacturing (NAICS code 32532).B. How can I get electronic access to other related information?You may access a frequently updated electronic version of 40 CFR part 180 through the Government Printing Office's e-CFR site at http://ecfr.gpoaccess.gov/cgi/t/text/text-idx?&c=ecfr&tpl=/ecfrbrowse/Title40/40tab_02.tpl. C. How can I file an objection or hearing request?Under FFDCA section 408(g), 21 U.S.C. 346a, any person may file an objection to any aspect of this regulation and may also request a hearing on those objections. You must file your objection or request a hearing on this regulation in accordance with the instructions provided in 40 CFR part 178. To ensure proper receipt by EPA, you must identify docket ID number EPA-HQ-OPP-2012-0106 in the subject line on the first page of your submission. All objections and requests for a hearing must be in writing, and must be received by the Hearing Clerk on or before February 4, 2013. Addresses for mail and hand delivery of objections and hearing requests are provided in 40 CFR 178.25(b).
In addition to filing an objection or hearing request with the Hearing Clerk as described in 40 CFR part 178, please submit a copy of the filing (excluding any CBI) for inclusion in the public docket. Information not marked confidential pursuant to 40 CFR part 2 may be disclosed publicly by EPA without prior notice. Submit the non-CBI copy of your objection or hearing request, identified by docket ID numberEPA-HQ-OPP-2012-0106, by one of the following methods:
Hand Delivery: To make special arrangements for hand delivery or delivery of boxed information, please follow the instructions at http://www.epa.gov/dockets/contacts.htm. Additional instructions on commenting or visiting the docket, along with more information about dockets generally, is available at http://www.epa.gov/dockets. II. Petition for ExemptionIn theFederal Registerof May 2, 2012 (77 FR 25957) (FRL-9346-1), EPA issued a notice pursuant to FFDCA section 408, 21 U.S.C. 346a, announcing the filing of a pesticide petition (PP 1E7949) by Dow AgroSciences, LLC, 9330 Zionsville Rd., Indianapolis, IN 46268. The petition requested that 40 CFR 180.920 be amended by establishing an exemption from the requirement of a tolerance for residues of the N- alkyl(C 8-C 18) dimethylamidopropylamines where the alkyl group is linear and may be saturated and/or unsaturated (9-octadecenamide, N-[3-(dimethylamino)propyl]-,(9Z)-, CAS Reg. No. 109-28-4; dodecanamide, N-[3-(dimethylamino)propyl], CAS Reg. No. 3179-80-4; octadecanamide, N-[3-(dimethylamino)propyl], CAS Reg. No. 7651-02-7; octanamide, N-[3-(dimethylamino)propyl], CAS Reg. No. 22890-10-4; decanamide, N-[3-(dimethylamino)propyl], CAS Reg. No. 22890-11-5; hexadecanamide, N-[3-(dimethylamino)propyl], CAS Reg. No. 39669-97-1; tetradecanamide, N-[3-(dimethylamino)propyl], CAS Reg. No. 45267-19-4; amides, coco, N-[3-(dimethylamino)propyl], CAS Reg. No. 68140-01-2; N-[3-(dimethylamino)propyl]-C 12-C 18 (even numbered)-alkylamide, CAS Reg. No. 1147459-12-8; amides, C 8-C 18 and C 18-unsatd ., N-[3-(dimethylamino)propyl], CAS Reg. No. 146987-98-6) when used as an inert ingredient at levels not to exceed 20% in herbicide formulations applied to growing crops. That notice referenced a summary of the petition prepared by Dow AgroSciences, LLC, the petitioner, which is available in the docket, http://www.regulations.gov. There were no comments received in response to the notice of filing.III. Inert Ingredient DefinitionInert ingredients are all ingredients that are not active ingredients as defined in 40 CFR 153.125 and include, but are not limited to, the following types of ingredients (except when they have a pesticidal efficacy of their own): Solvents such as alcohols and hydrocarbons; surfactants such as polyoxyethylene polymers and fatty acids; carriers such as clay and diatomaceous earth; thickeners such as carrageenan and modified cellulose; wetting, spreading, and dispersing agents; propellants in aerosol dispensers; microencapsulating agents; and emulsifiers. The term “inert” is not intended to imply nontoxicity; the ingredient may or may not be chemically active. Generally, EPA has exempted inert ingredients from the requirement of a tolerance based on the low toxicity of the individual inert ingredients.IV. Aggregate Risk Assessment and Determination of SafetySection 408(c)(2)(A)(i) of FFDCA allows EPA to establish an exemption from the requirement for a tolerance (the legal limit for a pesticide chemical residue in or on a food) only if EPA determines that the tolerance is “safe.” Section 408(b)(2)(A)(ii) of FFDCA defines “safe” to mean that “there is a reasonable certainty that no harm will result from aggregate exposure to the pesticide chemical residue, including all anticipated dietary exposures and all other exposures for which there is reliable information.” This includes exposure through drinking water and in residential settings, but does not include occupational exposure. Section 408(b)(2)(C) of FFDCA requires EPA to give special consideration to exposure of infants and children to the pesticide chemical residue in establishing a tolerance and to “ensure that there is a reasonable certainty that no harm will result to infants and children from aggregate exposure to the pesticide chemical residue * * *.”
Consistent with FFDCA section 408(c)(2)(A), and the factors specified in FFDCA section 408(c)(2)(B), EPA has reviewed the available scientific data and other relevant information in support of this action. EPA has sufficient data to assess the hazards of and to make a determination on aggregate exposure for the N-alkyl(C 8-C 18) dimethylamidopropylamines including exposure resulting from the exemption established by this action. EPA's assessment of exposures and risks associated with of the N-alkyl(C 8-C 18) dimethylamidopropylamines follows.A. Toxicological ProfileEPA has evaluated the available toxicity data and considered their validity, completeness, and reliability as well as the relationship of the results of the studies to human risk. EPA has also considered available information concerning the variability of the sensitivities of major identifiable subgroups of consumers, including infants and children. Specific information on the studies received and the nature of the adverse effects caused by the N-alkyl(C 8-C 18) dimethylamidopropylamines as well as the no-observed-adverse-effect-level (NOAEL) and the lowest-observed-adverse-effect-level (LOAEL) from the toxicity studies are discussed in this unit.B. Toxicological Points of Departure/Levels of ConcernOnce a pesticide's toxicological profile is determined, EPA identifies toxicological points of departure (POD) and levels of concern to use in evaluating the risk posed by human exposure to the pesticide. For hazards that have a threshold below which there is no appreciable risk, the toxicological POD is used as the basis for derivation of reference values for risk assessment. PODs are developed based on a careful analysis of the doses in each toxicological study to determine the dose at which no adverse effects are observed (the NOAEL) and the lowest dose at which adverse effects of concern are identified (the LOAEL). Uncertainty/safety factors are used in conjunctionwith the POD to calculate a safe exposure level—generally referred to as a population-adjusted dose (PAD) or a reference dose (RfD)—and a safe margin of exposure (MOE). For non-threshold risks, the Agency assumes that any amount of exposure will lead to some degree of risk. Thus, the Agency estimates risk in terms of the probability of an occurrence of the adverse effect expected in a lifetime. For more information on the general principles EPA uses in risk characterization and a complete description of the risk assessment process, see http://www.epa.gov/pesticides/factsheets/riskassess.htm. The toxicity database for the N- alkyl(C 8-C 18) dimethylamidopropylamines includes acute toxicity studies, in vitro genotoxicity assays and a repeat dose developmental/reproductive screening test (OECD 422) toxicity study on a representative N-alkyl(C 8-C 18) dimethylamidopropylamine member, Amides, coco, N-[3-(dimethylamino) propyl]; CAS Reg. No. 68140-01-2 (also referred to as CADPMA). The database is augmented by analogue information in the public domain and EPA's High Production Volume (HPV) program. CAPDMA is included in subcategory 3 of Category I amides within the 2004 HPV submission for Fatty Nitrogen Derived Amides class. CAPDMA has moderate acute oral toxicity with an LD 50 of 300 milligrams/kilogram/body weight (mg/kg/bw) or greater and is corrosive to the skin and eye, respectively. CAPDMA and its broader class of HPV analogues are negative for genotoxicity across a series of in vitro assays. A combined repeated dose toxicity and reproduction and developmental toxicity screening test was conducted in rats with CAPDMA via oral gavage under OECD 422 guidelines. No treatment-related effects were observed in the reproductive or developmental parameters examined. No systemic toxicity was observed in this study. The NOAEL for repeat dose toxicity was 15 mg/kg/bw based on localized gastric irritation due to the irritation and corrosive nature of the material, typical of surfactants seen at the LOAEL of 45 mg/kg/day. The NOAEL for reproductive and mg/kg/day developmental toxicity was the highest dose tested (HDT), 45 mg/kg/day. CAPDMA was negative for mutagenicity in the Ames assay and in vitro mammalian chromosome aberration assay. No chronic studies are available for the N- alkyl(C 8-C 18) dimethylamidopropylamines but negative findings for genotoxicity and no preneoplastic lesions were observed in the OECD 422 study on CAPDMA that would suggest no potential for carcinogenicity for the N-alkyl(C 8-C 18) dimethylamidopropylamines. The Agency used a qualitative structure activity relationship (SAR) database, DEREK Version 11, to determine if there were structural alerts suggestive of carcinogenicity. No structural alerts were identified for the N-alkyl(C 8-C 18) dimethylamidopropylamines Neither IARC nor other authoritative bodies have classified the N-alkyl(C 8-C 18) dimethylamidopropylamines as carcinogens based on the SAR analysis, negative findings in both the mutagenicity and clastogenicity studies along with the lack of evidence of specific target organ toxicity. The Agency concluded that these inert ingredients are unlikely to pose a cancer risk to humans. No evidence of immunotoxicity or neurotoxicity was observed in the available database.
A summary of the toxicological endpoints for the N-alkyl(C 8-C 18) dimethylamidopropylamines used for human risk assessment is shown in the Table of this unit.
Table—Summary of Toxicological Doses and Endpoints for the N-alkyl(C 8-C 18) dimethylamidopropylamines for Use in Human Risk Assessment
Exposure/scenarioPoint of departure and uncertainty/safety factorsRfD, PAD, LOC for risk assessmentStudy and toxicological effect
Acute dietary (General population including infants and children and Females 13-50 years of age)No POD identifiedNoneNo endpoint of concern following a single exposure was identified in the data base.
Chronic dietary (All populations)NOAEL = 15 mg/kg/dayUF A= 10xUF H= 10xFQPA SF = 1xChronic RfD = 0.15 mg/kg/daycPAD = 0.15 mg/kg/day.MRID 48621602 Oral (Gavage) Combined Repeat Dose Toxicity Study with Reproduction/Developmental Toxicity Screening Test in the Rat, NOAEL 15 mg/kg/day based on localized gastric irritation seen at the LOAEL of 45 mg/kg/day.
All Inhalation Exposure ScenariosNOAEL = 15 mg/kg/dayUF A= 10xUF H= 10xFQPA SF = 1x100% inhalation absorption is assumed.MOE = 100MRID 48621602 Oral (Gavage) Combined Repeat Dose Toxicity Study with Reproduction/Developmental Toxicity Screening Test in the Rat, NOAEL.15 mg/kg/day based on localized gastric irritation seen at the LOAEL as of 45 mk/kg/day.
Cancer (Oral, dermal, inhalation)There is no evidence for carcinogenic concern for the N- alkyl(C 8-C 18) dimethylamidopropylamines. C. Exposure Assessment1. Dietary exposure from food and feed uses. In evaluating dietary exposure to the N-alkyl(C 8-C 18) dimethylamidopropylamines, EPA considered exposure under the proposed exemption from the requirement of a tolerance. EPA assessed dietary exposures from the N-alkyl(C 8-C 18) dimethylamidopropylamines in food as using the I-Dietary Exposure Evaluation Model (I-DEEM). I-DEEM is a highly conservative model that is based on the assumption that the residue level of theinert ingredient would be no higher than the highest tolerance for a given commodity. Implicit in this assumption is that there would be similar rates of degradation between the active and inert ingredient (if any) and that the concentration of inert ingredient in the scenarios leading to these highest of tolerances would be no higher than the concentration of the active ingredient. Model estimates were calculated for oral exposure from the use of the N-alkyl(C 8-C 18) dimethylamidopropylamines at a maximum concentration of 20% in herbicidal formulations for all crops (every food eaten by a person each day has tolerance-level residues; D361707, S. Piper, 2/25/09).
2. Dietary exposure from drinking water. For the purpose of the screening level dietary risk assessment to support this request for an exemption from the requirement of a tolerance for the N- alkyl(C 8-C 18) dimethylamidopropylamines a conservative drinking water concentration value of 100 ppb based on screening level modeling was used to assess the contribution to drinking water for the chronic dietary risk assessments for parent compound. These values were directly entered into the dietary exposure model.
The N-alkyl(C 8-C 18) dimethylamidopropylamines are not currently used, and are not proposed for use as inert ingredients in residential pesticide products. For the general population some exposure to the N- alkyl(C 8-C 18) dimethylamidopropylamines could occur via cosmetic use (at very low concentrations) including hair care dye kits. There is also potential for exposure to these chemicals through the use of personal soaps and shampoos. Incidential oral exposure to N-alkyl(C 8-C 18) dimethylamidopropylamines resulting from cosmetic uses is not expected. Therefore, a quantitative oral risk assessment was not conducted. Since reliable data are not available, a quantitative dermal/inhalation exposure assessment was not conducted. The current dietary risk assessment is highly conservative and protective of any uses potential exposure via consumer products because the exposed population, children 1-2 years old utilize only 53% of the cPAD leaving about 47% of the cPAD for exposure via consumer products.
EPA has not found the N- alkyl(C 8-C 18) dimethylamidopropylamines to share a common mechanism of toxicity with any other substances, and the N-alkyl(C 8-C 18) dimethylamidopropylamines do not appear to produce a toxic metabolite produced by other substances. For the purposes of this tolerance action, therefore, EPA has assumed that the N-alkyl(C 8-C 18) dimethylamidopropylamines do not have a common mechanism of toxicity with other substances. For information regarding EPA's efforts to determine which chemicals have a common mechanism of toxicity and to evaluate the cumulative effects of such chemicals, see EPA's Web site at http://www.epa.gov/pesticides/cumulative. D. Safety Factor for Infants and Children1. In general. Section 408(b)(2)(C) of FFDCA provides that EPA shall apply an additional tenfold (10X) margin of safety for infants and children in the case of threshold effects to account for prenatal and postnatal toxicity and the completeness of the database on toxicity and exposure unless EPA determines based on reliable data that a different margin of safety will be safe for infants and children. This additional margin of safety is commonly referred to as the FQPA Safety Factor (SF). In applying this provision, EPA either retains the default value of 10X, or uses a different additional safety factor when reliable data available to EPA support the choice of a different factor.
i. The toxicity database for the N- alkyl(C 8-C 18) dimethylamidopropylamines is adequate for FQPA assessment. The available data included acute toxicity studies, mutagenicity and the Reproduction/Developmental Toxicity Screening Test in rats (OECD 422). The available OECD 422 study evaluated reproductive parameters and developmental toxicity parameters in rats. In addition, it also evaluated hematology, clinical chemistry, organ weights and histopathological parameters. No effects on these parameters were observed at the HDT.
ii. No effects on Functional Observation Battery and motor activity parameters were observed in the Reproduction/Developmental Toxicity Screening Test in rats (OECD 422). Since there is no indication that the N-alkyl(C 8-C 18) dimethylamidopropylamines are neurotoxic chemical and there is no need for a developmental neurotoxicity study or additional uncertainty factor to account for neurotoxicity.
iii. There is no evidence that the N-alkyl(C 8-C 18) dimethylamidopropylamines result in increased susceptibility of infants and children based on the results of the Reproduction/Developmental Toxicity Screening Test in rats, in in utero rats or rabbits in the prenatal developmental studies.
vi. There are no residual uncertainties identified in the exposure databases. The dietary food exposure assessmentswere performed using the highly conservative I-DEEM model. EPA also made conservative (protective) assumptions in the ground and surface water modeling used to assess exposure to the N-alkyl(C 8-C 18) dimethylamidopropylamines in drinking water and with regard to potential residential exposures. These assessments will not underestimate the exposure and risks posed by the N- alkyl(C 8-C 18) dimethylamidopropylamines.E. Aggregate Risks and Determination of Safety1. Acute risk. An acute aggregate risk assessment takes into account acute exposure estimates from dietary consumption of food and drinking water. No adverse effect resulting from a single oral exposure was identified and no acute dietary endpoint was selected. Therefore, the N-alkyl(C 8-C 18) dimethylamidopropylamines are not expected to pose an acute risk.
2. Chronic risk. Using the exposure assumptions described in this unit for chronic exposure, EPA has concluded that chronic exposure to N-alkyl(C 8-C 18) dimethylamidopropylamines from food and water will utilize 16.5% of the cPAD for the general population, and 53% of the cPAD for children 1-2 years old, the population group receiving the greatest exposure. Based on the explanation in Unit IV.C.3., regarding residential use patterns, chronic residential exposure to N-alkyl(C 8-C 18) could occur via cosmetic use. While the lack of reliable exposure data precluded the ability to perform a quantitative risk assessment for these uses, the highly conservative nature of the chronic dietary risk assessment would be protective of any uses potential chronic exposure via consumer uses.
3. Short-term risk. Short-term aggregate exposure takes into account short-term residential exposure plus chronic exposure to food and water (considered to be a background exposure level). A short-term adverse effect was identified; however, the N-alkyl(C 8-C 18) dimethylamidopropylamines are not currently used as an inert ingredient in pesticide products that are registered for any use patterns that would result in short-term residential exposure. Based on the explanation in Unit IV.C.3., regarding residential use patterns, short-term residential exposure to N-alkyl(C 8-C 18) could occur via cosmetic use. While the lack of reliable exposure data precluded the ability to perform a quantitative risk assessment for these uses, the highly conservative nature of the chronic dietary risk assessment would be protective of any uses potential short-term residential exposure via consumer uses, and EPA has determined that there are no concerns for short-term aggregate risk for the N-alkyl(C 8-C 18) dimethylamidopropylamines.
4. Intermediate-term risk. Intermediate-term aggregate exposure takes into account intermediate-term residential exposure plus chronic exposure to food and water (considered to be a background exposure level). An intermediate-term adverse effect was identified; however, the N-alkyl(C 8-C 18) dimethylamidopropylamines are not currently used as an inert ingredient in pesticide products that are registered for any use patterns that would result in intermediate-term residential exposure. Based on the explanation in Unit IV.C.3., regarding residential use patterns, intermediate-term residential exposure to N-alkyl(C 8-C 18) could occur via cosmetic use. While the lack of reliable exposure data precluded the ability to perform a quantitative risk assessment for these uses, the highly conservative nature of the chronic dietary risk assessment would be protective of any intermediate-term residential exposure via consumer uses and EPA has determined that there are no concerns for intermediate-term aggregate risk for the N-alkyl(C 8-C 18) dimethylamidopropylamines.
5. Aggregate cancer risk for U.S. population. Based on the SAR analysis, negative findings in both the mutagenicity and clastogenicity studies along with the lack of evidence of specific target organ toxicity, the Agency concluded that the N-alkyl(C 8-C 18) dimethylamidopropylamines are unlikely to pose a cancer risk to humans.
6. Determination of safety. Based on these risk assessments, EPA concludes that there is a reasonable certainty that no harm will result to the general population or to infants and children from aggregate exposure to the N- alkyl(C 8-C 18) dimethylamidopropylamines residues.V. Other ConsiderationsA. Analytical Enforcement MethodologyAn analytical method is not required for enforcement purposes since the Agency is not establishing a numerical tolerance for residues of the N-alkyl(C 8-C 18) dimethylamidopropylamines in or on any food commodities. EPA is establishing a limitation on the amount of the N-alkyl(C 8-C 18) dimethylamidopropylamines that may be used in pesticide formulations. That limitation will be enforced through the pesticide registration process under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), 7 U.S.C. 136 et seq. EPA will not register any pesticide for sale or distribution that contains greater than 20% of the N-alkyl(C 8-C 18) dimethylamidopropylamines by weight in the pesticide formulation.B. International Residue LimitsIn making its tolerance decisions, EPA seeks to harmonize U.S. tolerances with international standards whenever possible, consistent with U.S. food safety standards and agricultural practices. EPA considers the international maximum residue limits (MRLs) established by the Codex Alimentarius Commission (Codex), as required by FFDCA section 408(b)(4). The Codex Alimentarius is a joint United Nation Food and Agriculture Organization/World Health Organization food standards program, and it is recognized as an international food safety standards-setting organization in trade agreements to which the United States is a party. EPA may establish a tolerance that is different from a Codex MRL; however, FFDCA section 408(b)(4) requires that EPA explain the reasons for departing from the Codex level.
The Codex has not established a MRL for the N-alkyl(C 8-C 18) dimethylamidopropylamines.VI. ConclusionsTherefore, an exemption from the requirement of a tolerance is established under 40 CFR 180.920 for the N- alkyl(C 8-C 18) dimethylamidopropylamines when used as an inert ingredient in herbicide formulations applied to growing crops at levels not to exceed 20% of the formulation.VII. Statutory and Executive Order ReviewsThis final rule establishes a tolerance under FFDCA section 408(d) in response to a petition submitted to the Agency. The Office of Management and Budget (OMB) has exempted these types of actions from review under Executive Order 12866, entitled “Regulatory Planning and Review” (58 FR 51735, October 4, 1993). Because this final rule has been exempted from review under Executive Order 12866, this final rule is not subject to Executive Order 13211, entitled “Actions Concerning Regulations That Significantly Affect Energy Supply, Distribution, or Use” (66 FR 28355, May 22, 2001) or Executive Order 13045, entitled “Protection of Children from Environmental HealthRisks and Safety Risks” (62 FR 19885, April 23, 1997). This final rule does not contain any information collections subject to OMB approval under the Paperwork Reduction Act (PRA) (44 U.S.C. 3501 et seq.), nor does it require any special considerations under Executive Order 12898, entitled “Federal Actions to Address Environmental Justice in Minority Populations and Low-Income Populations” (59 FR 7629, February 16, 1994).
2. In § 180.920, alphabetically add the following inert ingredients to the table to read as follows:
******* N- alkyl(C 8-C 18) dimethylamidopropylamines where the alkyl group is linear and may be saturated and/or unsaturated (CAS Reg. Nos. 109-28-4, 3179-80-4, 7651-02-7, 22890-10-4, 22890-11-5, 39669-97-1, 45267-19-4, 68140-01-2, 1147459-12-8, 146987-98-6)Not to exceed 20% by weight in herbicide formulationsSurfactants, related adjuvants of surfactants.
******* [FR Doc. 2012-29106 Filed 12-5-12; 8:45 am]BILLING CODE 6560-50-P
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