﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2023v6.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-03-04T19:28:52-05:00</ReturnTs>
    <TaxPeriodEndDt>2024-11-30</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>271620556</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>WINDEDAHLRANGITSCHGROENEVELDNORTONLLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>PO BOX 126</AddressLine1Txt>
        <CityNm>SALEM</CityNm>
        <StateAbbreviationCd>OR</StateAbbreviationCd>
        <ZIPCd>97308</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-12-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>931007918</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>OREGON AGRICULTURAL CHEMICALS</BusinessNameLine1Txt>
        <BusinessNameLine2Txt>ASSOCIATION INC</BusinessNameLine2Txt>
      </BusinessName>
      <BusinessNameControlTxt>OREG</BusinessNameControlTxt>
      <PhoneNum>5033707024</PhoneNum>
      <USAddress>
        <AddressLine1Txt>1270 CHEMEKETA STREET NE</AddressLine1Txt>
        <CityNm>SALEM</CityNm>
        <StateAbbreviationCd>OR</StateAbbreviationCd>
        <ZIPCd>97301</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>RICHARD KOSESAN</PersonNm>
      <PersonTitleTxt>EXECUTIVE DIRECTOR</PersonTitleTxt>
      <PhoneNum>5033707024</PhoneNum>
      <SignatureDt>2024-02-21</SignatureDt>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>true</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>BRIAN J RANGITSCH</PreparerPersonNm>
      <PTIN>P00025444</PTIN>
      <PhoneNum>5033781120</PhoneNum>
      <PreparationDt>2025-02-21</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="4">
    <IRS990EZ documentId="RetDoc1" referenceDocumentId="RetDoc3">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>N/A</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc4">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>68286</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>8925</ContributionsGiftsGrantsEtcAmt>
      <ProgramServiceRevenueAmt>51480</ProgramServiceRevenueAmt>
      <MembershipDuesAmt>6436</MembershipDuesAmt>
      <InvestmentIncomeAmt>1445</InvestmentIncomeAmt>
      <TotalRevenueAmt>68286</TotalRevenueAmt>
      <SalariesOtherCompEmplBnftAmt>30000</SalariesOtherCompEmplBnftAmt>
      <FeesAndOtherPymtToIndCntrctAmt>735</FeesAndOtherPymtToIndCntrctAmt>
      <OccupancyRentUtltsAndMaintAmt>3336</OccupancyRentUtltsAndMaintAmt>
      <OtherExpensesTotalAmt>32336</OtherExpensesTotalAmt>
      <TotalExpensesAmt>66407</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>1879</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>173638</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>-107</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>175410</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>120415</BOYAmt>
        <EOYAmt>119888</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <OtherAssetsTotalDetail>
        <BOYAmt>53223</BOYAmt>
        <EOYAmt>55522</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>173638</BOYAmt>
        <EOYAmt>175410</EOYAmt>
      </Form990TotalAssetsGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>173638</BOYAmt>
        <EOYAmt>175410</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>AGRICULTURAL CHEMICAL SAFETY</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>SAFETY AND STEWARDSHIP SEMINARS - PROMULGATE SAFETY PRACTICES AND STATE AND FEDERAL REGULATIONS TO GROWERS, PRODUCERS, PESTICIDE APPLICATORS AND CONSULTANTS.</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>26124</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>PESTICIDES CONTAINER MANAGEMENT PROGRAM - ASSIST IN THE COLLECTION AND DISPOSAL OF USED PESTICIDE CONTAINERS</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>2136</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>NEWSLETTER TO EDUCATE APPLICATORS AND DEALERS IN PESTICIDES</DescriptionProgramSrvcAccomTxt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>CONTRIBUTIONS TO OTHER AG PROGRAMS 500 EXECUTIVE DIRECTOR SALARY 30,000</DescriptionProgramSrvcAccomTxt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>28260</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>RICHARD KOSESAN</PersonNm>
        <TitleTxt>EXECUTIVE DI</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>30000</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>BOB SCHROEDER</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JIM CARROLL</PersonNm>
        <TitleTxt>VICE PRESIDE</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>PETER BIERMA</PersonNm>
        <TitleTxt>SEC/TREAS</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>BARRY DUERK</PersonNm>
        <TitleTxt>DIRECTOR/PAS</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ROGER HAFFNER</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>DENNIS POTTER</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd referenceDocumentId="RetDoc2">false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>OR</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <PersonNm>RICHARD KOSESAN</PersonNm>
        <USAddress>
          <AddressLine1Txt>1270 CHEMEKETA ST NE</AddressLine1Txt>
          <CityNm>SALEM</CityNm>
          <StateAbbreviationCd>OR</StateAbbreviationCd>
          <ZIPCd>97301</ZIPCd>
        </USAddress>
        <PhoneNum>5033707024</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd referenceDocumentId="RetDoc2">true</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd referenceDocumentId="RetDoc2">true</LobbyingActivitiesInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="RetDoc4">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>8500</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>7850</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>8450</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>10048</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>8925</CurrentTaxYearAmt>
        <TotalAmt>43773</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>31744</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>30274</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>23040</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>57497</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>59361</CurrentTaxYearAmt>
        <TotalAmt>201916</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>40244</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>38124</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>31490</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>67545</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>68286</CurrentTaxYearAmt>
        <TotalAmt>245689</TotalAmt>
      </Total509Grp>
      <PublicSupportTotal509Amt>245689</PublicSupportTotal509Amt>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>40244</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>38124</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>31490</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>67545</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>68286</CurrentTaxYearAmt>
        <TotalAmt>245689</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>1.00000</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.73460</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00000</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00000</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>SUPPORTING SCHEDULE</FormAndLineReferenceDesc>
        <ExplanationTxt>SCHOLARSHIP FUND. TO BE ADMINISTERED BY OACA. 0</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleC documentId="RetDoc2">
      <PoliticalExpendituresAmt>3640</PoliticalExpendituresAmt>
      <Form4720FiledSection4955TaxInd>false</Form4720FiledSection4955TaxInd>
      <CorrectionMadeInd>false</CorrectionMadeInd>
      <AvgLobbyingNontaxableAmountGrp>
        <CurrentYearMinus3Amt>656</CurrentYearMinus3Amt>
        <CurrentYearMinus2Amt>429</CurrentYearMinus2Amt>
        <TotalAmt>1085</TotalAmt>
      </AvgLobbyingNontaxableAmountGrp>
      <LobbyingCeilingAmt>1628</LobbyingCeilingAmt>
      <AvgTotalLobbyingExpendGrp>
        <CurrentYearMinus3Amt>100</CurrentYearMinus3Amt>
        <CurrentYearMinus2Amt>100</CurrentYearMinus2Amt>
        <TotalAmt>200</TotalAmt>
      </AvgTotalLobbyingExpendGrp>
      <AvgGrassrootsNontaxableGrp>
        <CurrentYearMinus3Amt>164</CurrentYearMinus3Amt>
        <CurrentYearMinus2Amt>107</CurrentYearMinus2Amt>
        <TotalAmt>271</TotalAmt>
      </AvgGrassrootsNontaxableGrp>
      <GrassrootsCeilingAmt>407</GrassrootsCeilingAmt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE C, PART II-B, LINE 1</FormAndLineReferenceDesc>
        <ExplanationTxt>ADVOCATE FOR RESPONSIBLE RULES / BILLS / STATUTES APPLICABLE TO THE SAFE AND PROPER USE OF AGRICULTURAL CHEMICALS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleC>
    <IRS990ScheduleO documentId="RetDoc3">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16</FormAndLineReferenceDesc>
        <ExplanationTxt>EXPENSES PROMOTION 211 ADVERTISING 2,416 SEMINAR EXPENSE 10,021 MEETING EXPENSE 2,537 MEETING EXPENSE 193 OREGON AG EDUC FOUNDATION 500 AV EXPENSE 939 BANK FEES 2,270 COPIER USE 74 EQUIPMENT REPAIRS 118 FILING FEE 50 INSURANCE - DIRECTORS INS 512 INSURANCE - INS &amp; DMV 1,248 INSURANCE - LIABILITY GEN 1,405 OFFICE SUPPLIES 343 POSTAGE:OTHER 61 POSTAGE:SEMINAR 1,930 PRINTING:SEMINAR 4,319 PUBLICATIONS 74 SPEAKERS 240 TELEPHONE 847 WEB PAGE 2,028 TOTAL 32,336</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 20</FormAndLineReferenceDesc>
        <ExplanationTxt>OREGON DEPT OF JUSTICE -107</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART II, LINE 24</FormAndLineReferenceDesc>
        <ExplanationTxt>ACCOUNTS RECEIVABLE 53,223 55,522 83,274 83,274 LESS ACCUMULATED DEPRECIATION 83,274 83,274 TOTAL 53,223 55,522</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III, LINE 31</FormAndLineReferenceDesc>
        <ExplanationTxt>CONTRIBUTIONS TO OTHER AG PROGRAMS 500 EXECUTIVE DIRECTOR SALARY 30,000</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>