Riverside City Council
August 11, 2026

FIRST AMENDMENT TO PROFESSIONAL CONSULTANT SERVICES AGREEMENT BABCOCK LABORATORIES, INC. Riverside Regional Water Quality Control Plant Inorganic and Organic Chemical Analyses This FIRST AMENDMENT TO PROFESSIONAL CONSULTANT SERVICES AGREEMENT (“First Amendment”) is made and entered into this _____ day of _______________, ______, by and between the CITY OF RIVERSIDE, a California charter city and municipal corporation (“City”), and BABCOCK LABORATORIES, INC., a California corporation (“Consultant”), with reference to the following facts:RECITALS WHEREAS, on June 26, 2023, City and Consultant entered into that certain Professional Consultant Services Agreement (“Agreement”) for Riverside Regional Water Quality Control Plant Inorganic and Organic Chemical Analyses, with compensation in the amount not to exceed One Hundred Sixty-Seven Thousand Four Hundred Seventy Dollars ($167,470.00); and WHEREAS, the Agreement is set to expire on June 30, 2026; and WHEREAS, City and Consultant desire to extend the term of the Agreement for two (2) additional years, through June 30, 2028; andWHEREAS, City and Consultant desire to increase compensation in the amount of One Hundred Thirty-Seven Thousand Nine Hundred Eighty-Six Dollars ($137,986.00) for the extended term of the Agreement, for a total revised contract amount not to exceed Three Hundred Five Thousand Four Hundred Fifty-Six Dollars ($305,456.00). NOW, THEREFORE, in consideration of the foregoing recitals, which are incorporated herein by this reference, City and Consultant mutually agree as follows: 1. Section 2, “Term,” is hereby amended to extend the term of the Agreement for two (2) additional years, through June 30, 2028. 2. Section 3, “Compensation/Payment,” is hereby amended to increase compensation in the amount of One Hundred Thirty-Seven Thousand Nine Hundred Eighty-Six Dollars ($137,986.00) for the extended term of the Agreement, for a total revised contract amount not to exceed Three Hundred Five Thousand Four Hundred Fifty-Six Dollars ($305,456.00). 3. All terms and conditions of the Agreement not inconsistent herewith shall remain in full force and effect and are hereby incorporated by reference into this First Amendment as though set forth in full herein. 2 IN WITNESS WHEREOF, the parties hereto have caused this First Amendment to Professional Consultant Services Agreement to be executed the day and year first above written.CITY OF RIVERSIDE, a California charter city and municipal corporationBy:______________________________City ManagerATTEST:By: ______________________________City ClerkCERTIFIED AS TO AVAILABILITY OF FUNDS:By: __________________________________Chief Financial OfficerAPPROVED AS TO FORM:By: ______________________________Assistant City Attorney BABCOCK LABORATORIES, INC.,a California corporationBy: ____________________________________Print Name: _____________________________Title: ___________________________________andBy: ____________________________________Print Name: _____________________________Title: __________________________________ 314198 SDW 5/11/26