The Codex Alimentarius is a joint U.N. 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. ii. Products in this class include flurprimidol, paclobutrazol, ethephon and trinexapac-ethyl. Palisade did not affect lodging at Perkins. Average mass 252.263 Da. . ADI. Quantitative acute dietary exposure and risk assessments are performed for a food-use pesticide, if a toxicological study has indicated the possibility of an effect of concern Start Printed Page 12743occurring as a result of a 1-day or single exposure. Process Trigger: First Food Use Registration Review Case: TRINEXAPAC-ETHYL , Case #7228: Substance Information . Our results are consistent with other wheat plant growth regulator research, which has reported similar variation in response among sites and years. 2. Tolerances are established for residues of the plant growth regulator, trinexapac-ethyl, including its metabolites and degradates, in or on the commodities in the table below. The Codex has established an MRL for trinexapac-ethyl in or on sugarcane at 0.5 ppm. Palisade is a giberellic acid inhibitor and works primarily by reducing plant height. The mean recoveries of trinexapac-ethyl and trinexapac in four matrices at three spiking levels ranged from 72.0% to 108.2%, and the relative standard deviation (RSD) ranged from 2.1% to 11.0%. All Reports; All Sectors . Developmental toxicity was observed in the rat (increased incidence of asymmetrical sternebrae) and rabbit (decreased number of live fetuses/litter and increased post-implantation loss) at the highest dose tested, with no evidence of maternal toxicity observed in either species. documents in the last year, 36 The mutagenicity database is also complete, with no evidence of mutagenicity. Research has shown that increasing the soil water content from 17 to 26% reduced the force required for anchorage failure by 33%, and as little as 0.25 inches of water plus 11 mph winds were enough to cause lodging. provide legal notice to the public or judicial notice to the courts. CAS name: ethyl 4-(cyclopropylhydroxymethylene)-3,5-dioxocyclohexanecarboxylate: CAS Reg. Chemical Name: Trinexapac-ethyl: Section 18 of the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) authorizes EPA to allow an unregistered use of a pesticide for a limited time if EPA determines that an emergency condition exists. documents in the last year, 87 The suppliers of 39 Trinexapac-ethyl on the search result are been verified by the accurate information of each one. Specific information on the studies received and the nature of the adverse effects caused by trinexapac-ethyl as well as the no-observed-adverse-effect-level and the lowest-observed-adverse-effect-level from the toxicity studies can be found at http://www.regulations.gov in the document, Trinexapac-ethyl: Human Health Risk Assessment for the Section 3 Registration Action on Cereal Grains, Sugarcane, and Grasses Grown for Seed p. 48 in docket ID number EPA-HQ-OPP-2010-0524. Compliance with the tolerance levels specified below is to be determined by measuring only the free and conjugated forms of both trinexapac-ethyl, ethyl 4-(cyclopropylhydroxymethylene)-3,5-dioxocyclohexanecarboxylate and trinexapac, 4-(cyclopropylhydroxymethylene)-3,5-dioxocyclohexanecarboxylic acid, calculated as the stoichiometric equivalent of trinexapac-ethyl, in or on the commodity. As a result, individuals can be exposed by entering these areas if they have been previously treated. Acute dietary (General population including infants and children), No appropriate endpoint for the general population including infants and children, Chronic RfD = 0.32 mg/kg/day cPAD = 0.32 mg/kg/day. ACTIVE INGREDIENT / BIOLOGICS / COMBINATION, https://iaspub.epa.gov/apex/pesticides/f?p=PPLS:8:::::P8_PUID,P8_RINUM:495794,9198-245, https://www3.epa.gov/pesticides/chem_search/ppls/009198-00245-20200519.pdf, https://www3.epa.gov/pesticides/chem_search/ppls/009198-00245-20170920.pdf, https://www3.epa.gov/pesticides/chem_search/ppls/009198-00245-20140827.pdf, https://www3.epa.gov/pesticides/chem_search/ppls/009198-00245-20090508.pdf, https://www3.epa.gov/pesticides/chem_search/ppls/009198-00245-20090316.pdf. and services, go to LOC for MOE = 100. hb```paB K>K:5R e-b Carefully collect remainder. This prototype edition of the As such, the Agency has determined that this action will not have a substantial direct effect on States or Tribal Governments, on the relationship between the National Government and the States or Tribal Governments, or on the distribution of power and responsibilities among the various levels of government or between the Federal Government and Indian Tribes. For chronic dietary risk assessment, the water concentration of value 1.56 ppb was used to assess the contribution to drinking water. documents in the last year, 1479 Submit a copy of your non-CBI objection or hearing request, identified by docket ID number EPA-HQ-OPP-2010-0524, by one of the following methods: In the Federal Register of August 4, 2010, (75 FR 46925) (FRL-8834-9), EPA issued a notice pursuant to section 408(d)(3) of FFDCA, 21 U.S.C. 3. Design Philosophy From Female Golf Course Architects. The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions. Roanoke, VA 24016. Freeze injury or disease can cause lodging due to stem failure, which is characterized by plant stems breaking near the base. The President of the United States communicates information on holidays, commemorations, special observances, trade, and policy through Proclamations. 02/28/2023, 828 Boomless nozzles speed applications. if (window != top) [Reserved], [FR Doc. %%EOF Submit the non-CBI copy of your objection or hearing request, identified by docket ID number EPA-HQ-OPP-2020-0046, by one of the following methods: Additional instructions on commenting or visiting the docket, along with more information about dockets generally, is available at http://www.epa.gov/dockets. Trinexapac Ethyl improves rich color and root mass development. Substance Name: Trinexapac-ethyl [ISO] RN: 95266-40-3 UNII: Q89W563T9J InChIKey: RVKCCVTVZORVGD-QXMHVHEDSA-N. Aggregate Risk Assessment and Determination of Safety, B. Toxicological Points of Departure/Levels of Concern, D. Safety Factor for Infants and Children, E. Aggregate Risks and Determination of Safety, D. Revisions to Petitioned-For Tolerances, VI. Furthermore, similar lesions were not observed in the rat or mouse following subchronic or chronic dietary exposure, and there was no other evidence in any species tested to indicate a neurotoxicity potential. Although listed in the index, some information is not publicly available, e.g., Confidential Business Information (CBI) or other information whose disclosure is restricted by statute. How can I get electronic access to other related information? documents in the last year, by the Federal Communications Commission 601 et seq. Comments were received on the notice of filing. 101 Madison Avenue Developmental rabbit study. Nearest Port. that agencies use to create their documents. : 95266-40-3: Formula: C 13 H 16 O 5: Activity: plant growth regulators (growth inhibitor) Notes: This substance is a derivative of trinexapac [104273-73-6]. You must file your objection or request a hearing on this regulation in accordance with the instructions provided in 40 CFR part 178. Each document posted on the site includes a link to the Hangzhou,Shanghai. 21 U.S.C. Developmental toxicity was observed in the rat (increased incidence of asymmetrical sternebrae) and rabbit (decreased number of live fetuses/litter and increased post-implantation loss) at the highest dose tested, with no evidence of maternal toxicity observed in either species. 02/28/2023, 239 Chemical Name: Cyclohexanecarboxylic acid, 4-(cyclopropylhydroxymethylene)-3,5-dioxo-, ethyl ester: Announcements. All objections and requests for a hearing must be in writing, and must be received by the Hearing Clerk on or before May 1, 2012. Based upon review of the data supporting the petition, EPA is modifying the tolerance expression and the tolerance for sugarcane, molasses at a different level than petitioned-for. It acts in the best interests of the game for the continued enjoyment of those who love and play it. They were not associated with other neuropathological findings or overt neurological signs so their biological significance is unknown. This action does not involve any technical standards that would require Agency consideration of voluntary consensus standards pursuant to section 12(d) of the National Technology Transfer and Advancement Act of 1995 (NTTAA), Public Law 104-113, section 12(d) (15 U.S.C. There are no established or proposed Codex, Canadian, or Mexican MRLs for trinexapac-ethyl in or on any food or feed crops.Start Printed Page 12745. 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 Confidential Business Information (CBI)) for inclusion in the public docket. III. In 2013 and 2014 we evaluated the plant growth regulator trinexapac-ethyl, which is sold under the trade name Palisade. informational resource until the Administrative Committee of the Federal Handling in a well ventilated place. The authority citation for part 180 continues to read as follows: Authority: Recommendations may change as further research is conducted and new information is obtained. should verify the contents of the documents against a final, official Document Drafting Handbook are not part of the published document itself. No lodging occurred in 2014 regardless of treatment. Because these products primarily affect cell elongation and not division, the number of new cells is only slightly reduced while their ability to elongate is significantly altered. Statutory and Executive Order Reviews, https://www.federalregister.gov/d/2012-4984, MODS: Government Publishing Office metadata, http://ecfr.gpoaccess.gov/cgi/t/text/text-idx?&c=ecfr&tpl=/ecfrbrowse/Title40/40tab_02.tpl, http://www.epa.gov/pesticides/factsheets/riskassess.htm, http://www.epa.gov/oppefed1/models/water/index.htm, http://www.epa.gov/pesticides/trac/science/trac6a05.pdf, http://www.epa.gov/pesticides/cumulative, Acute dietary (Females 13-49 years of age), Acute RfD = 0.6 mg/kg/day aPAD = 0.6 mg/kg/day. Prevent further spillage or leakage if it is safe to do so. The thicker the wheat crop and/or the taller the wheat crop, the more force that winds exert on the root anchorage system and the greater the likelihood of lodging. . better and aid in comparing the online edition to the print edition. These 180-degree nozzles can be used without the need to raise and lower booms, which makes applications easier where maneuverability is limited. on documents in the last year, by the Federal Highway Administration Similar lesions were not observed in the rat or mouse following acute, subchronic or chronic dietary exposure, and there was no other evidence in any other species tested to indicate a neurotoxicity potential. Call a poison control center or doctor for treatment advice If in eyes Hold eye open and rinse slowly and gently with water for 15-20 minutes. Provision to contain effluent from fire extinguishing. [Reserved], (d) Indirect or inadvertent residues. Registration Review. the material on FederalRegister.gov is accurately displayed, consistent with by the Patent and Trademark Office Registration Review. EPA has evaluated the available toxicity data and considered its validity, completeness, and reliability as well as the relationship of the results of the studies to human risk. Schedule for Beginning Reviews. . 21 U.S.C. Full disclosure: Syngenta donated the product for this trial, but the only funding for the research was provided by the Oklahoma Agricultural Experiment Station and the Oklahoma Cooperative Extension Service. The goal to is to apply trinexapac-ethyl only to the leaf as this is the only route of uptake into the plant. (b) Section 18 emergency exemptions. Room temperature in continental US; may vary elsewhere. Thus, the Agency estimates risk in terms of the probability of an occurrence of the adverse effect expected in a lifetime. documents in the last year, 940 Trinexapac-ethyl Product Code TRC-T886298-100MG CAS Number 95266-40-3 Product Format Neat Molecular Formula C13 H16 O5 Molecular Weight 252.26 API Family Trinexapac-ethyl Product Categories Pesticides and metabolites Pack Size: 100 mg In stock Estimated dispatch Dispatch within 10 - 14 days To view pricing Login/Register Add to Cart Documentation In estimating chronic dietary exposure, EPA used food consumption information from the USDA 1994-1996 and 1998 CSFII. 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. Molecular and physiological responses of Iranian Perennial . The petition requested that 40 CFR part 180.662 be amended by establishing tolerances for residues of the herbicide trinexapac-ethyl, (4-(cyclopropyl-a-hydroxy-methylene)-3,5-dioxo-cyclohexanecarboxylic acid ethyl ester), and its primary metabolite CGA-179500 in or on sugarcane, cane at 1.5 parts per million (ppm) and sugarcane, molasses at 5.0 ppm. daily Federal Register on FederalRegister.gov will remain an unofficial Bispyribac-sodium selectively controls annual bluegrass in cool-season turf but efficacy may be influenced by management practices, such as plant growth regulator use. Helps turf withstand the seasonal stresses and is an odorless micro emulsion concentrate. The trinexapac-ethyl changes the size of the corn p lants, enabling new spatial arrangements. Due to the low acute toxicity of trinexapac-ethyl the allocation of an ARfD, and hence an acute consumer risk assessment was not considered necessary. The Public Inspection page To access the OCSPP test guidelines referenced in this document electronically, please go to http://www.epa.gov/ocspp and select Test Methods and Guidelines.. Refer for medical attention. on EPA assessed residential exposure with the assumption that homeowner handlers wear shorts, short-sleeved shirts, socks, and shoes, and that they complete all tasks associated with the use of a pesticide product including mixing/loading, if needed, as well as the application. In terms of revenue, the global top. Any trinexapac-ethyl that hits the soil is lost. An anonymous citizen objected to the presence of any pesticide residues on food. Set up emergency exits and the risk-elimination area. Compliance with the tolerance levels is to be determined by measuring both trinexapac-ethyl, ethyl 4-(cyclopropylhydroxymethylene)-3,5-dioxocyclohexanecarboxylate and the associated metabolite trinexpac, 4-(cyclopropylhydroxymethylene)-3,5-dioxocyclohexanecarboxylic acid, calculated as the stoichiometric equivalent of trinexapac-ethyl. Root lodging occurs when the anchorage system of a top-heavy wheat plant is weakened due to moist soil and wind provides sufficient force to overcome the rotational stiffness of the root/soil complex. from 47 agencies. Be sure to consider the method of trinexapac-ethyl application when trying to maximize effectiveness. The finer the spray particle size, the more uptake and suppression youre likely to get. documents in the last year, 983 804(2). Application of Palidsade or Palisade plus Tilt resulted in numeric reductions in lodging scores at Stillwater in 2013, but the result were too variable to result in statistical significance. on FederalRegister.gov [Reserved], (c) Tolerances with regional registrations. Once a pesticide's toxicological profile is determined, EPA identifies toxicological points of departure (POD) and levels of concern (LOC) to use in evaluating the risk posed by human exposure to the pesticide. Then store and dispose of according to local regulations. In 2014 application of Palisade or Palisade plus Tilt significantlyreduced plant height at Chickasha and Perkins. Slowing flushes of warm-season turf growth with applications of trinexapac-ethyl i.e., Primo MAXX or post-patent products is an important part of reducing mowing inputs and other labor costs. Each document posted on the site includes a link to the Because EPA's level of concern for trinexapac-ethyl is a MOE of 100 or below, these MOEs are not of concern. documents in the last year. Trinexapac-ethyl is included in Standard category. In this section you will find the primary documents produced to support the registration and review processes. A quantitative and confirmatory method for the analysis of trinexapac (free acid metabolite of trinexapac-ethyl) in wheat is described. Objections and requests for hearings must be received on or before January 4, 2021, and must be filed in accordance with the instructions provided in 40 CFR part 178 (see also Unit I.C. Gibberellin is a plant hormone that promotes growth of various plant organs. Two comments were received in response to the Notice of Filing. The Public Inspection page may also Section 408(b)(2)(A)(i) of FFDCA allows EPA to establish 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. of the issuing agency. on Overview Fingerprint Abstract Trinexapac-ethyl (TE) [4- (cyclopropyl--hydroxy-methylene)-3,5- dioxocyclohexanecarboxylic acid ethyl ester] and paclobutrazol (PAC) [ (2RS,3RS)-1- (4-chlorophenyl)-4,4-dimethyl-2- (1H-1,2,4-triazol-1-yl)pentan-3-ol] are routinely esed to suppress clipping production. To summarize this first year of work with plant growth regulators, we found a trend for one to two inch reductions in plant height when Palisade or Palisade plus Tilt were applied, but this only translated to increased grain yield at one site. Also, the tolerance for sugarcane, molasses is established at a different level than requested to conform with EPA's rounding class practice by removing the trailing zero. Trinexapac-ethyl effects on red clover seed crops . documents in the last year, 861 documents in the last year, 121 We included an untreated check and ALL plots, including the check, received 10.5 oz/ac of Quilt Xcel at Feekes GS 10.5 (heading). Following chronic exposure, dose-related neuropathology of the brain was seen at 365/357 mg/kg/day in male and female dogs respectively. menu. This chemical is managed as part of a group or group(s). It was viewed 32 times while on Public Inspection. do not apply. Golf faces challenges and opportunities that are vital to its long-term health. It is not an official legal edition of the Federal Trinexapac-ethyl | C13H16O5 - PubChem Apologies, we are having some trouble retrieving data from our servers. There is the potential for incidental oral exposure; however, since there is no toxicological endpoint of concern for that route, a quantitative assessment was not conducted. documents in the last year, 662 Statutory and Executive Order Reviews, PART 180TOLERANCES AND EXEMPTIONS FOR PESTICIDE CHEMICAL RESIDUES IN FOOD, https://www.federalregister.gov/d/2020-23040, MODS: Government Publishing Office metadata, http://www.ecfr.gov/cgi-bin/text-idx?&c=ecfr&tpl=/ecfrbrowse/Title40/40tab_02.tpl, http://www.epa.gov/dockets/contacts.html. Other names: Trinexapac-ethyl, trimethylsilyl ether Permanent link for this species. Therefore, apply trinexapac-ethyl in 20 to 30 gallons of water per acre. on NARA's archives.gov. 02/28/2023, 267 272 note). Personal protection: P2 filter respirator for harmful particles. Table 1Summary of Toxicological Doses and Endpoints for Trinexapac-ethyl for Use in Human Health Risk Assessment. This final rule establishes tolerances under section 408(d) of FFDCA in response to petitions submitted to the Agency. We are conducting the same trial in 2014 along with a separate trial evaluating Palisade in drought stress environments that is partially funded by Syngenta. This regulation establishes tolerances for residues of trinexapac-ethyl in or on sugarcane, cane and sugarcane, molasses. Trinexapac-ethyl Chemical Structures GB RN 1422 Trade Name LPI.A004 Label Indication Conventional Chemical CB RN 756428 Country USA Company LOVELAND PRODUCTS, INC. 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