Common use of ATTACHMENT DD Clause in Contracts

ATTACHMENT DD. The Consultantshall complete this formforeach projectlisted in response to RFP. The ConsultantPastParticipation Listshall include name, address, telephone number(including area code), classification, type of work, dollar amount of participation, certification, and certifying agency for each Subcontractor or Supplier who participated in the referenced project. NAME OF PROJECT: As-Needed Environmental Monitoring Services – City ofSan Diego TYPE OF PROJECT: Storm Water Monitoring and Consulting Services DOLLAR VALUE OF CONTRACT: 10,000,000 NAME, ADDRESS AND TELEPHONE NUMBER OF SUBCONTRACTOR CONTRACTOR, DESIGNER, SUPPLIER, OR VENDOR TYPE OF WORK PERFORMED, MATERIALS OR SUPPLIES DOLLAR AMOUNT OF SUBCONTRACTOR PARTICIPATION OR MATERIALS OR SUPPLIES MBE, WBE, DBE, DVBE, OBE, ELBE, SLBE, SDB, WoSB, HUBZone, OR SDVOSB➀ WHERE CERTIFIED➁ Name: Eurofins Air Toxics, Inc. Address: ▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇ ▇▇▇▇: ▇▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 95630 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Analytical laboratory support $32,673 ▇▇▇ ▇/▇ Name: HDR Engineering, Inc. Address: ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇: ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 92123 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Technical review and comprehensive benefit analysis $187,966 ▇▇▇ ▇/▇ Name: Helix Environmental & Planning, Inc. Address: ▇▇▇▇ ▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ #▇▇▇ ▇▇▇▇: ▇▇ ▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 91942 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Environmental services for channel maintenance master plan $101,456 SBE CA DGS ➀ As appropriate, Design Professional shall identify Subcontractors or Suppliers as one ofthe following and shall include a valid proofofcertification (except for OBE): Certified Minority Business Enterprise MBE Certified Woman Business Enterprise WBE Certified Disadvantaged Business Enterprise DBE Certified Disabled Veteran Business Enterprise DVBE Other Business Enterprise OBE Certified Emerging Local Business Enterprise ELBE Certified Small Local Business Enterprise SLBE Small Disadvantaged Business SDB Woman-Owned Small Business WoSB HUBZone Business HUBZone Service-Disabled Veteran Owned Small Business SDVOSB ➁ As appropriate, Design Professional shall indicate ifSubcontractor or Subcontractor is certified by: City ofSan Diego CITY State ofCalifornia Department ofTransportation CALTRANS California Public Utilities Commission CPUC San Diego Regional Minority Supplier Diversity Council SRMSDC State ofCalifornia’s Department ofGeneral Services CADoGS City ofLos Angeles LA State ofCalifornia CA U.S. Small Business Administration SBA

ATTACHMENT DD. The Consultantshall complete this formforeach projectlisted in response to RFP. The ConsultantPastParticipation Listshall include name, address, telephone number(including area code), classification, type of work, dollar amount of participation, certification, and certifying agency for each Subcontractor or Supplier who participated in the referenced project. NAME OF PROJECT: As-Needed Environmental Monitoring Services – City ofSan Diego TYPE OF PROJECT: Storm Water Monitoring and Consulting Services DOLLAR VALUE OF CONTRACT: $10,000,000 NAME, ADDRESS AND TELEPHONE NUMBER OF SUBCONTRACTOR CONTRACTOR, DESIGNER, SUPPLIER, OR VENDOR TYPE OF WORK PERFORMED, MATERIALS OR SUPPLIES DOLLAR AMOUNT OF SUBCONTRACTOR PARTICIPATION OR MATERIALS OR SUPPLIES MBE, WBE, DBE, DVBE, OBE, ELBE, SLBE, SDB, WoSB, HUBZone, OR SDVOSB➀ WHERE CERTIFIED➁ Name: Eurofins Air Toxics▇▇▇▇▇▇▇▇ Group, Inc. Address:▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇, Suite 206 City: San Diego State: CA Zip: 92121 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant As-needed field support for sediment, benthic, and water sampling $35,422 DVBE CA DGS Name: EcoAnalysts, Inc. Address: ▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇, Suite 14 City: Moscow State: ID Zip: 83843 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Technical support for as-needed taxonomy services $13,800 ▇▇▇ ▇/▇ Name: EMAX Laboratories, Inc. Address: ▇▇▇▇ ▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇: ▇▇▇▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 95630 90501 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Analytical laboratory support $32,673 ▇▇▇ ▇/▇ Name: HDR Engineering, Inc. Address: ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇: ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 92123 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Technical review and comprehensive benefit analysis $187,966 ▇▇▇ ▇/▇ Name: Helix Environmental & Planning, Inc. Address: ▇▇▇▇ ▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ #▇▇▇ ▇▇▇▇: ▇▇ ▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 91942 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Environmental services for channel maintenance master plan $101,456 15,577 SBE CA DGS ➀ As appropriate, Design Professional shall identify Subcontractors or Suppliers as one ofthe following and shall include a valid proofofcertification (except for OBE): Certified Minority Business Enterprise MBE Certified Woman Business Enterprise WBE Certified Disadvantaged Business Enterprise DBE Certified Disabled Veteran Business Enterprise DVBE Other Business Enterprise OBE Certified Emerging Local Business Enterprise ELBE Certified Small Local Business Enterprise SLBE Small Disadvantaged Business SDB Woman-Owned Small Business WoSB HUBZone Business HUBZone Service-Disabled Veteran Owned Small Business SDVOSB ➁ As appropriate, Design Professional shall indicate ifSubcontractor or Subcontractor is certified by: City ofSan Diego CITY State ofCalifornia Department ofTransportation CALTRANS California Public Utilities Commission CPUC San Diego Regional Minority Supplier Diversity Council SRMSDC State ofCalifornia’s Department ofGeneral Services CADoGS City ofLos Angeles LA State ofCalifornia CA U.S. Small Business Administration SBA

ATTACHMENT DD. The Consultantshall Consultant shall complete this formforeach projectlisted form for each project listed in response to RFP. The ConsultantPastParticipation Listshall Consultant Past Participation List shall include name, address, telephone number(including number (including area code), classification, type of work, dollar amount of participation, certification, and certifying agency for each Subcontractor or Supplier who participated in the referenced project. NAME OF PROJECT: As-Needed Environmental Monitoring Services – City ofSan of San Diego TYPE OF PROJECT: Storm Water Monitoring and Consulting Services DOLLAR VALUE OF CONTRACT: 10,000,000 $10, , NAME, ADDRESS AND TELEPHONE NUMBER OF SUBCONTRACTOR CONTRACTOR, DESIGNER, SUPPLIER, OR VENDOR TYPE OF WORK PERFORMED, MATERIALS OR SUPPLIES DOLLAR AMOUNT OF SUBCONTRACTOR PARTICIPATION OR MATERIALS OR SUPPLIES MBE, WBE, DBE, DVBE, OBE, ELBE, SLBE, SDB, WoSB, HUBZone, OR SDVOSB➀ SDVOSBº WHERE CERTIFIED➁ CERTIFIEDº Name: Eurofins Air ToxicsAlta Environmental, Inc. LP Address: ▇▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇ ▇▇▇▇: ▇▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 95630 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Analytical laboratory support $32,673 ▇▇▇ ▇/▇ Name: HDR Engineering, Inc. Address: ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇: ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 92123 90807 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Field support and technical review $5,020 SBE CA DGS Name: ▇▇▇▇▇▇ ▇▇▇▇ Consulting Address: ▇▇▇ ▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇, #▇▇-▇▇▇ ▇▇▇▇: ▇▇▇▇▇ ▇▇▇▇ ▇▇▇▇▇: CA Zip: 95060 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Technical review lead for planning and comprehensive benefit QA/QC and as-needed technical support for reporting and data analysis $187,966 ▇▇▇ ▇149,163 OBE N/▇ A Name: Helix Environmental & Planning, Inc. Address: ▇▇▇▇ ▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ #▇, PhD Address: ▇▇▇ ▇▇▇▇: ▇▇ ▇▇▇▇ ▇▇▇▇▇▇ City: ▇▇ Ojai State: CA Zip: 91942 93023 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Environmental services Technical lead for channel maintenance master plan reporting and data analysis $101,456 SBE CA DGS ➀ 77,489 ▇▇▇ ▇/▇ º As appropriate, Design Professional shall identify Subcontractors or Suppliers as one ofthe of the following and shall include a valid proofofcertification proof of certification (except for OBE): Certified Minority Business Enterprise MBE Certified Woman Business Enterprise WBE Certified Disadvantaged Business Enterprise DBE Certified Disabled Veteran Business Enterprise DVBE Other Business Enterprise OBE Certified Emerging Local Business Enterprise ELBE Certified Small Local Business Enterprise SLBE Small Disadvantaged Business SDB Woman-Owned Small Business WoSB HUBZone Business HUBZone Service-Disabled Veteran Owned Small Business SDVOSB ➁ º As appropriate, Design Professional shall indicate ifSubcontractor if Subcontractor or Subcontractor is certified by: City ofSan of San Diego CITY State ofCalifornia of California Department ofTransportation of Transportation CALTRANS California Public Utilities Commission CPUC San Diego Regional Minority Supplier Diversity Council SRMSDC State ofCaliforniaof California’s Department ofGeneral of General Services CADoGS City ofLos of Los Angeles LA State ofCalifornia of California CA U.S. Small Business Administration SBA

ATTACHMENT DD. The Consultantshall Consultant shall complete this formforeach projectlisted form for each project listed in response to RFP. The ConsultantPastParticipation Listshall Consultant Past Participation List shall include name, address, telephone number(including number (including area code), classification, type of work, dollar amount of participation, certification, and certifying agency for each Subcontractor or Supplier who participated in the referenced project. NAME OF PROJECT: As-Needed Environmental Monitoring Services – City ofSan of San Diego TYPE OF PROJECT: Storm Water Monitoring and Consulting Services DOLLAR VALUE OF CONTRACT: $10,000,000 NAME, ADDRESS AND TELEPHONE NUMBER OF SUBCONTRACTOR CONTRACTOR, DESIGNER, SUPPLIER, OR VENDOR TYPE OF WORK PERFORMED, MATERIALS OR SUPPLIES DOLLAR AMOUNT OF SUBCONTRACTOR PARTICIPATION OR MATERIALS OR SUPPLIES MBE, WBE, DBE, DVBE, OBE, ELBE, SLBE, SDB, WoSB, HUBZone, OR SDVOSB➀ SDVOSBº WHERE CERTIFIED➁ CERTIFIEDº Name: Eurofins Air Toxics▇▇▇▇▇▇▇▇ Group, Inc. Address: ▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇, Suite 206 City: San Diego State: CA Zip: 92121 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant As-needed field support for sediment, benthic, and water sampling $35,422 DVBE CA DGS Name: EcoAnalysts, Inc. Address: ▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇, Suite 14 City: Moscow State: ID Zip: 83843 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Technical support for as-needed taxonomy services $13,800 ▇▇▇ ▇/▇ Name: EMAX Laboratories, Inc. Address: ▇▇▇▇ ▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇: ▇▇▇▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 95630 90501 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Analytical laboratory support $32,673 ▇▇▇ ▇/▇ Name: HDR Engineering, Inc. Address: ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇: ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 92123 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Technical review and comprehensive benefit analysis $187,966 ▇▇▇ ▇/▇ Name: Helix Environmental & Planning, Inc. Address: ▇▇▇▇ ▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ #▇▇▇ ▇▇▇▇: ▇▇ ▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 91942 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Environmental services for channel maintenance master plan $101,456 15,577 SBE CA DGS ➀ º As appropriate, Design Professional shall identify Subcontractors or Suppliers as one ofthe of the following and shall include a valid proofofcertification proof of certification (except for OBE): Certified Minority Business Enterprise MBE Certified Woman Business Enterprise WBE Certified Disadvantaged Business Enterprise DBE Certified Disabled Veteran Business Enterprise DVBE Other Business Enterprise OBE Certified Emerging Local Business Enterprise ELBE Certified Small Local Business Enterprise SLBE Small Disadvantaged Business SDB Woman-Owned Small Business WoSB HUBZone Business HUBZone Service-Disabled Veteran Owned Small Business SDVOSB ➁ º As appropriate, Design Professional shall indicate ifSubcontractor if Subcontractor or Subcontractor is certified by: City ofSan of San Diego CITY State ofCalifornia of California Department ofTransportation of Transportation CALTRANS California Public Utilities Commission CPUC San Diego Regional Minority Supplier Diversity Council SRMSDC State ofCaliforniaof California’s Department ofGeneral of General Services CADoGS City ofLos of Los Angeles LA State ofCalifornia of California CA U.S. Small Business Administration SBA

ATTACHMENT DD. The Consultantshall complete this formforeach projectlisted in response to RFP. The ConsultantPastParticipation Listshall include name, address, telephone number(including area code), classification, type of work, dollar amount of participation, certification, and certifying agency for each Subcontractor or Supplier who participated in the referenced project. NAME OF PROJECT: As-Needed Environmental Monitoring Services – City ofSan Diego TYPE OF PROJECT: Storm Water Monitoring and Consulting Services DOLLAR VALUE OF CONTRACT: $10,000,000 NAME, ADDRESS AND TELEPHONE NUMBER OF SUBCONTRACTOR CONTRACTOR, DESIGNER, SUPPLIER, OR VENDOR TYPE OF WORK PERFORMED, MATERIALS OR SUPPLIES DOLLAR AMOUNT OF SUBCONTRACTOR PARTICIPATION OR MATERIALS OR SUPPLIES MBE, WBE, DBE, DVBE, OBE, ELBE, SLBE, SDB, WoSB, HUBZone, OR SDVOSB➀ WHERE CERTIFIED➁ Name: Eurofins Air Toxics▇▇▇▇ Labs, Inc. Address: ▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇ ▇▇▇▇: ▇ ▇▇▇▇▇▇ ▇▇▇▇▇City: ▇▇ Industry State: CA Zip: 95630 91745 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Analytical laboratory support $32,673 ▇▇▇ ▇193,354 MBE/▇ SBE LA; CA DGS Name: HDR Engineering, Inc. Address: ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇City: ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇State: ▇▇ Zip: 92123 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Technical review and comprehensive benefit analysis $187,966 ▇▇▇ ▇/▇ Name: Helix Environmental & Planning, Inc. Address: ▇▇▇▇ ▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ #▇▇▇ ▇▇▇▇City: ▇▇ ▇▇▇▇ ▇▇▇▇▇State: ▇▇ Zip: 91942 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Environmental services for channel maintenance master plan $101,456 SBE CA DGS ➀ As appropriate, Design Professional shall identify Subcontractors or Suppliers as one ofthe following and shall include a valid proofofcertification (except for OBE): Certified Minority Business Enterprise MBE Certified Woman Business Enterprise WBE Certified Disadvantaged Business Enterprise DBE Certified Disabled Veteran Business Enterprise DVBE Other Business Enterprise OBE Certified Emerging Local Business Enterprise ELBE Certified Small Local Business Enterprise SLBE Small Disadvantaged Business SDB Woman-Owned Small Business WoSB HUBZone Business HUBZone Service-Disabled Veteran Owned Small Business SDVOSB ➁ As appropriate, Design Professional shall indicate ifSubcontractor or Subcontractor is certified by: City ofSan Diego CITY State ofCalifornia Department ofTransportation CALTRANS California Public Utilities Commission CPUC San Diego Regional Minority Supplier Diversity Council SRMSDC State ofCalifornia’s Department ofGeneral Services CADoGS City ofLos Angeles LA State ofCalifornia CA U.S. Small Business Administration SBASBA Use the “Disclosure Determination for Consultant” form (CC-1671) to report the disclosure requirement for any consultant hired to provide services to the City of San Diego or the boards, commissions and agencies that fall under the City of San Diego’s jurisdiction.

ATTACHMENT DD. The Consultantshall complete this formforeach projectlisted in response to RFP. The ConsultantPastParticipation Listshall include name, address, telephone number(including area code), classification, type of work, dollar amount of participation, certification, and certifying agency for each Subcontractor or Supplier who participated in the referenced project. NAME OF PROJECT: As-Needed Environmental Monitoring Services – City ofSan Diego TYPE OF PROJECT: Storm Water Monitoring and Consulting Services DOLLAR VALUE OF CONTRACT: $10,000,000 NAME, ADDRESS AND TELEPHONE NUMBER OF SUBCONTRACTOR CONTRACTOR, DESIGNER, SUPPLIER, OR VENDOR TYPE OF WORK PERFORMED, MATERIALS OR SUPPLIES DOLLAR AMOUNT OF SUBCONTRACTOR PARTICIPATION OR MATERIALS OR SUPPLIES MBE, WBE, DBE, DVBE, OBE, ELBE, SLBE, SDB, WoSB, HUBZone, OR SDVOSB➀ WHERE CERTIFIED➁ Name: Eurofins Air Toxics, Inc. CalScience Environmental Lab Address: ▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇ ▇▇▇▇: ▇▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 95630 92841 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Analytical laboratory support $32,673 5,156 ▇▇▇ ▇/▇ Name: HDR Engineering, Inc. CalTest Analytical Labs Address: ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇: ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇ ▇: ▇▇▇ City: Napa State: CA Zip: 92123 94558 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Technical review and comprehensive benefit analysis Analytical laboratory support $187,966 ▇▇▇ ▇/▇ 5,530 SBE CA DGS Name: Helix Environmental & PlanningCape Fear Analytical, Inc. LLC Address: ▇▇▇▇ ▇▇ ▇▇▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇ #▇▇▇ ▇▇▇▇: ▇▇ ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip▇▇▇: 91942 ▇▇▇▇▇ Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Environmental services for channel maintenance master plan Analytical laboratory support $101,456 SBE CA DGS 21,000 OBE N/A ➀ As appropriate, Design Professional shall identify Subcontractors or Suppliers as one ofthe following and shall include a valid proofofcertification (except for OBE): Certified Minority Business Enterprise MBE Certified Woman Business Enterprise WBE Certified Disadvantaged Business Enterprise DBE Certified Disabled Veteran Business Enterprise DVBE Other Business Enterprise OBE Certified Emerging Local Business Enterprise ELBE Certified Small Local Business Enterprise SLBE Small Disadvantaged Business SDB Woman-Owned Small Business WoSB HUBZone Business HUBZone Service-Disabled Veteran Owned Small Business SDVOSB ➁ As appropriate, Design Professional shall indicate ifSubcontractor or Subcontractor is certified by: City ofSan Diego CITY State ofCalifornia Department ofTransportation CALTRANS California Public Utilities Commission CPUC San Diego Regional Minority Supplier Diversity Council SRMSDC State ofCalifornia’s Department ofGeneral Services CADoGS City ofLos Angeles LA State ofCalifornia CA U.S. Small Business Administration SBA

ATTACHMENT DD. The Consultantshall complete this formforeach projectlisted in response to RFP. The ConsultantPastParticipation Listshall include name, address, telephone number(including area code), classification, type of work, dollar amount of participation, certification, and certifying agency for each Subcontractor or Supplier who participated in the referenced project. NAME OF PROJECT: As-Needed Environmental Monitoring Services – City ofSan Diego TYPE OF PROJECT: Storm Water Monitoring and Consulting Services DOLLAR VALUE OF CONTRACT: $10,000,000 NAME, ADDRESS AND TELEPHONE NUMBER OF SUBCONTRACTOR CONTRACTOR, DESIGNER, SUPPLIER, OR VENDOR TYPE OF WORK PERFORMED, MATERIALS OR SUPPLIES DOLLAR AMOUNT OF SUBCONTRACTOR PARTICIPATION OR MATERIALS OR SUPPLIES MBE, WBE, DBE, DVBE, OBE, ELBE, SLBE, SDB, WoSB, HUBZone, OR SDVOSB➀ WHERE CERTIFIED➁ Name: Eurofins Air Toxics, Inc. Address: ▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇ ▇▇▇▇: ▇▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 95630 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Analytical laboratory support $32,673 ▇▇▇ ▇/▇ Name: HDR Engineering, Inc. Tetra Tech Address: ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇▇▇ ▇▇▇ ▇▇▇▇: ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 92123 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Technical review lead for computer modeling-related tasks and comprehensive benefit as- needed technical support for technical and regulatory assistance, and reporting and data analysis $187,966 ▇▇▇ ▇1,359,704 OBE N/▇ A Name: Helix Environmental & Planning, Inc. Texas AgriLife Research (Texas A&M) Address: ▇▇▇▇ ▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ Boulevard #▇▇▇ ▇▇▇▇509 City: ▇▇ ▇▇▇▇ ▇▇▇▇▇College Station State: ▇▇ TX Zip: 91942 77843 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Environmental services for channel maintenance master plan Analytical laboratory support $101,456 SBE CA DGS 41,948 O0BE N/A Name: UNC Chapel Hill Inst. ofMarine Sciences Address: ▇▇▇▇ ▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇ City: Morehead City State: NC Zip: 28557 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ ▇▇▇▇ Subconsultant Analytical laboratory support $160,500 OBE N/A ➀ As appropriate, Design Professional shall identify Subcontractors or Suppliers as one ofthe following and shall include a valid proofofcertification (except for OBE): Certified Minority Business Enterprise MBE Certified Woman Business Enterprise WBE Certified Disadvantaged Business Enterprise DBE Certified Disabled Veteran Business Enterprise DVBE Other Business Enterprise OBE Certified Emerging Local Business Enterprise ELBE Certified Small Local Business Enterprise SLBE Small Disadvantaged Business SDB Woman-Owned Small Business WoSB HUBZone Business HUBZone Service-Disabled Veteran Owned Small Business SDVOSB ➁ As appropriate, Design Professional shall indicate ifSubcontractor or Subcontractor is certified by: City ofSan Diego CITY State ofCalifornia Department ofTransportation CALTRANS California Public Utilities Commission CPUC San Diego Regional Minority Supplier Diversity Council SRMSDC State ofCalifornia’s Department ofGeneral Services CADoGS City ofLos Angeles LA State ofCalifornia CA U.S. Small Business Administration SBA

ATTACHMENT DD. The Consultantshall Consultant shall complete this formforeach projectlisted form for each project listed in response to RFP. The ConsultantPastParticipation Listshall Consultant Past Participation List shall include name, address, telephone number(including number (including area code), classification, type of work, dollar amount of participation, certification, and certifying agency for each Subcontractor or Supplier who participated in the referenced project. NAME OF PROJECT: As-Needed Environmental Monitoring Services – City ofSan of San Diego TYPE OF PROJECT: Storm Water Monitoring and Consulting Services DOLLAR VALUE OF CONTRACT: 10,000,000 $ NAME, ADDRESS AND TELEPHONE NUMBER OF SUBCONTRACTOR CONTRACTOR, DESIGNER, SUPPLIER, OR VENDOR TYPE OF WORK PERFORMED, MATERIALS OR SUPPLIES DOLLAR AMOUNT OF SUBCONTRACTOR PARTICIPATION OR MATERIALS OR SUPPLIES MBE, WBE, DBE, DVBE, OBE, ELBE, SLBE, SDB, WoSB, HUBZone, OR SDVOSB➀ SDVOSBº WHERE CERTIFIED➁ CERTIFIEDº Name: Eurofins Air Toxics, Inc. CalScience Environmental Lab Address: ▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇ ▇▇▇▇: ▇▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 95630 92841 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Analytical laboratory support $32,673 5,156 ▇▇▇ ▇/▇ Name: HDR Engineering, Inc. CalTest Analytical Labs Address: ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇: ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇ ▇: ▇▇▇ City: Napa State: CA Zip: 92123 94558 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Technical review and comprehensive benefit analysis Analytical laboratory support $187,966 ▇▇▇ ▇/▇ 5,530 SBE CA DGS Name: Helix Environmental & PlanningCape Fear Analytical, Inc. LLC Address: ▇▇▇▇ ▇▇ ▇▇▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇ #▇▇▇ ▇▇▇▇: ▇▇ ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip▇▇▇: 91942 ▇▇▇▇▇ Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Environmental services for channel maintenance master plan Analytical laboratory support $101,456 SBE CA DGS ➀ 21,000 OBE N/A º As appropriate, Design Professional shall identify Subcontractors or Suppliers as one ofthe of the following and shall include a valid proofofcertification proof of certification (except for OBE): Certified Minority Business Enterprise MBE Certified Woman Business Enterprise WBE Certified Disadvantaged Business Enterprise DBE Certified Disabled Veteran Business Enterprise DVBE Other Business Enterprise OBE Certified Emerging Local Business Enterprise ELBE Certified Small Local Business Enterprise SLBE Small Disadvantaged Business SDB Woman-Owned Small Business WoSB HUBZone Business HUBZone Service-Disabled Veteran Owned Small Business SDVOSB ➁ º As appropriate, Design Professional shall indicate ifSubcontractor if Subcontractor or Subcontractor is certified by: City ofSan of San Diego CITY State ofCalifornia of California Department ofTransportation of Transportation CALTRANS California Public Utilities Commission CPUC San Diego Regional Minority Supplier Diversity Council SRMSDC State ofCaliforniaof California’s Department ofGeneral of General Services CADoGS City ofLos of Los Angeles LA State ofCalifornia of California CA U.S. Small Business Administration SBA

ATTACHMENT DD. The Consultantshall complete this formforeach projectlisted in response to RFP. The ConsultantPastParticipation Listshall include name, address, telephone number(including area code), classification, type of work, dollar amount of participation, certification, and certifying agency for each Subcontractor or Supplier who participated in the referenced project. NAME OF PROJECT: As-Needed Environmental Monitoring Services – City ofSan Diego TYPE OF PROJECT: Storm Water Monitoring and Consulting Services DOLLAR VALUE OF CONTRACT: $10,000,000 NAME, ADDRESS AND TELEPHONE NUMBER OF SUBCONTRACTOR CONTRACTOR, DESIGNER, SUPPLIER, OR VENDOR TYPE OF WORK PERFORMED, MATERIALS OR SUPPLIES DOLLAR AMOUNT OF SUBCONTRACTOR PARTICIPATION OR MATERIALS OR SUPPLIES MBE, WBE, DBE, DVBE, OBE, ELBE, SLBE, SDB, WoSB, HUBZone, OR SDVOSB➀ WHERE CERTIFIED➁ Name: Eurofins Air Toxics, Inc. SCCWRP Address: ▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇, ▇▇▇▇▇ ▇▇▇ ▇▇▇▇: ▇▇▇▇▇ ▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 92626 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Technical oversight $1,031,530 OBE N/A Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ Consulting Address: ▇▇▇▇▇ ▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇: ▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 95630 92064 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Dilution study and modeling $25,000 OBE N/A Name: TestAmerica Laboratories, Inc. Address: ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇ Way City: Richland State: WA Zip: 99354 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Analytical laboratory support $32,673 6,405 ▇▇▇ ▇/▇ Name: HDR Engineering, Inc. Address: ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇: ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 92123 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Technical review and comprehensive benefit analysis $187,966 ▇▇▇ ▇/▇ Name: Helix Environmental & Planning, Inc. Address: ▇▇▇▇ ▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ #▇▇▇ ▇▇▇▇: ▇▇ ▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 91942 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Environmental services for channel maintenance master plan $101,456 SBE CA DGS ➀ As appropriate, Design Professional shall identify Subcontractors or Suppliers as one ofthe following and shall include a valid proofofcertification (except for OBE): Certified Minority Business Enterprise MBE Certified Woman Business Enterprise WBE Certified Disadvantaged Business Enterprise DBE Certified Disabled Veteran Business Enterprise DVBE Other Business Enterprise OBE Certified Emerging Local Business Enterprise ELBE Certified Small Local Business Enterprise SLBE Small Disadvantaged Business SDB Woman-Owned Small Business WoSB HUBZone Business HUBZone Service-Disabled Veteran Owned Small Business SDVOSB ➁ As appropriate, Design Professional shall indicate ifSubcontractor or Subcontractor is certified by: City ofSan Diego CITY State ofCalifornia Department ofTransportation CALTRANS California Public Utilities Commission CPUC San Diego Regional Minority Supplier Diversity Council SRMSDC State ofCalifornia’s Department ofGeneral Services CADoGS City ofLos Angeles LA State ofCalifornia CA U.S. Small Business Administration SBA

ATTACHMENT DD. The Consultantshall Consultant shall complete this formforeach projectlisted form for each project listed in response to RFP. The ConsultantPastParticipation Listshall Consultant Past Participation List shall include name, address, telephone number(including number (including area code), classification, type of work, dollar amount of participation, certification, and certifying agency for each Subcontractor or Supplier who participated in the referenced project. NAME OF PROJECT: As-Needed Environmental Monitoring Services – City ofSan of San Diego TYPE OF PROJECT: Storm Water Monitoring and Consulting Services DOLLAR VALUE OF CONTRACT: $10,000,000 NAME, ADDRESS AND TELEPHONE NUMBER OF SUBCONTRACTOR CONTRACTOR, DESIGNER, SUPPLIER, OR VENDOR TYPE OF WORK PERFORMED, MATERIALS OR SUPPLIES DOLLAR AMOUNT OF SUBCONTRACTOR PARTICIPATION OR MATERIALS OR SUPPLIES MBE, WBE, DBE, DVBE, OBE, ELBE, SLBE, SDB, WoSB, HUBZone, OR SDVOSB➀ SDVOSBº WHERE CERTIFIED➁ CERTIFIEDº Name: Eurofins Air Toxics, Inc. SCCWRP Address: ▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇, ▇▇▇▇▇ ▇▇▇ ▇▇▇▇: ▇▇▇▇▇ ▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 92626 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Technical oversight $1,031,530 OBE N/A Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇ Consulting Address: ▇▇▇▇▇ ▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇: ▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 95630 92064 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Dilution study and modeling $25,000 OBE N/A Name: TestAmerica Laboratories, Inc. Address: ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇ Way City: Richland State: WA Zip: 99354 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Analytical laboratory support $32,673 6,405 ▇▇▇ ▇/▇ Name: HDR Engineering, Inc. Address: ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇: ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 92123 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Technical review and comprehensive benefit analysis $187,966 ▇▇▇ ▇/▇ Name: Helix Environmental & Planning, Inc. Address: ▇▇▇▇ ▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ #▇▇▇ ▇▇▇▇: ▇▇ ▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 91942 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Environmental services for channel maintenance master plan $101,456 SBE CA DGS ➀ º As appropriate, Design Professional shall identify Subcontractors or Suppliers as one ofthe of the following and shall include a valid proofofcertification proof of certification (except for OBE): Certified Minority Business Enterprise MBE Certified Woman Business Enterprise WBE Certified Disadvantaged Business Enterprise DBE Certified Disabled Veteran Business Enterprise DVBE Other Business Enterprise OBE Certified Emerging Local Business Enterprise ELBE Certified Small Local Business Enterprise SLBE Small Disadvantaged Business SDB Woman-Owned Small Business WoSB HUBZone Business HUBZone Service-Disabled Veteran Owned Small Business SDVOSB ➁ º As appropriate, Design Professional shall indicate ifSubcontractor if Subcontractor or Subcontractor is certified by: City ofSan of San Diego CITY State ofCalifornia of California Department ofTransportation of Transportation CALTRANS California Public Utilities Commission CPUC San Diego Regional Minority Supplier Diversity Council SRMSDC State ofCaliforniaof California’s Department ofGeneral of General Services CADoGS City ofLos of Los Angeles LA State ofCalifornia of California CA U.S. Small Business Administration SBA

ATTACHMENT DD. The Consultantshall Consultant shall complete this formforeach projectlisted form for each project listed in response to RFP. The ConsultantPastParticipation Listshall Consultant Past Participation List shall include name, address, telephone number(including number (including area code), classification, type of work, dollar amount of participation, certification, and certifying agency for each Subcontractor or Supplier who participated in the referenced project. NAME OF PROJECT: As-Needed Environmental Monitoring Services – City ofSan of San Diego TYPE OF PROJECT: Storm Water Monitoring and Consulting Services DOLLAR VALUE OF CONTRACT: 10,000,000 $ NAME, ADDRESS AND TELEPHONE NUMBER OF SUBCONTRACTOR CONTRACTOR, DESIGNER, SUPPLIER, OR VENDOR TYPE OF WORK PERFORMED, MATERIALS OR SUPPLIES DOLLAR AMOUNT OF SUBCONTRACTOR PARTICIPATION OR MATERIALS OR SUPPLIES MBE, WBE, DBE, DVBE, OBE, ELBE, SLBE, SDB, WoSB, HUBZone, OR SDVOSB➀ SDVOSBº WHERE CERTIFIED➁ CERTIFIEDº Name: Eurofins Air Toxics, Inc. Address: ▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇ ▇▇▇▇: ▇▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 95630 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Analytical laboratory support $32,673 ▇▇▇ ▇/▇ Name: HDR Engineering& Associates, Inc. Address: ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇ City: San Diego State: CA Zip: 92123 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Technical lead and as-needed field support for sediment sampling $34,883 SBE/WBE CA DGS; CPUC Name: ▇▇▇▇▇▇▇ ▇▇▇▇▇ Engineering Address: ▇▇▇▇ ▇▇▇ ▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇, #▇▇▇ ▇▇▇▇: ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip▇▇▇: 92123 92130 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Technical review and comprehensive benefit analysis Annual JURMP services $187,966 ▇▇▇ ▇78,767 ELBE/▇ DBE/MBE City of San Diego; CPUC/ CA DGS Name: Helix Environmental & PlanningNautilus Environmental, Inc. Address: ▇▇▇▇ ▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ #▇▇▇ ▇▇▇▇: ▇▇ ▇▇▇▇ ▇▇▇▇▇▇ City: ▇▇ San Diego State: CA Zip: 91942 92120 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Environmental services Technical, field, and laboratory support for channel maintenance master plan TIEs and Toxicity and bioassessments and as- needed technical and field support for benthic sampling and sediment sampling $101,456 SBE 461,016 SLBE/MBE/WBE City of SD; CA DGS ➀ DGS; CPUC º As appropriate, Design Professional shall identify Subcontractors or Suppliers as one ofthe of the following and shall include a valid proofofcertification proof of certification (except for OBE): Certified Minority Business Enterprise MBE Certified Woman Business Enterprise WBE Certified Disadvantaged Business Enterprise DBE Certified Disabled Veteran Business Enterprise DVBE Other Business Enterprise OBE Certified Emerging Local Business Enterprise ELBE Certified Small Local Business Enterprise SLBE Small Disadvantaged Business SDB Woman-Owned Small Business WoSB HUBZone Business HUBZone Service-Disabled Veteran Owned Small Business SDVOSB ➁ º As appropriate, Design Professional shall indicate ifSubcontractor if Subcontractor or Subcontractor is certified by: City ofSan of San Diego CITY State ofCalifornia of California Department ofTransportation of Transportation CALTRANS California Public Utilities Commission CPUC San Diego Regional Minority Supplier Diversity Council SRMSDC State ofCaliforniaof California’s Department ofGeneral of General Services CADoGS City ofLos of Los Angeles LA State ofCalifornia of California CA U.S. Small Business Administration SBA

ATTACHMENT DD. The Consultantshall Consultant shall complete this formforeach projectlisted form for each project listed in response to RFP. The ConsultantPastParticipation Listshall Consultant Past Participation List shall include name, address, telephone number(including number (including area code), classification, type of work, dollar amount of participation, certification, and certifying agency for each Subcontractor or Supplier who participated in the referenced project. NAME OF PROJECT: As-Needed Environmental Monitoring Services – City ofSan of San Diego TYPE OF PROJECT: Storm Water Monitoring and Consulting Services DOLLAR VALUE OF CONTRACT: $10,000,000 NAME, ADDRESS AND TELEPHONE NUMBER OF SUBCONTRACTOR CONTRACTOR, DESIGNER, SUPPLIER, OR VENDOR TYPE OF WORK PERFORMED, MATERIALS OR SUPPLIES DOLLAR AMOUNT OF SUBCONTRACTOR PARTICIPATION OR MATERIALS OR SUPPLIES MBE, WBE, DBE, DVBE, OBE, ELBE, SLBE, SDB, WoSB, HUBZone, OR SDVOSB➀ SDVOSBº WHERE CERTIFIED➁ CERTIFIEDº Name: Eurofins Air Toxics, Inc. Address: ▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇ ▇▇▇▇: ▇▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 95630 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Analytical laboratory support $32,673 ▇▇▇ ▇/▇ Name: HDR Engineering, Inc. Tetra Tech Address: ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇▇▇ ▇▇▇ ▇▇▇▇: ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 92123 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Technical review lead for computer modeling-related tasks and comprehensive benefit as- needed technical support for technical and regulatory assistance, and reporting and data analysis $187,966 ▇▇▇ ▇1,359,704 OBE N/▇ A Name: Helix Environmental & Planning, Inc. Texas AgriLife Research (Texas A&M) Address: ▇▇▇▇ ▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ Boulevard #▇▇▇ ▇▇▇▇509 City: ▇▇ ▇▇▇▇ ▇▇▇▇▇College Station State: ▇▇ TX Zip: 91942 77843 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Environmental services for channel maintenance master plan Analytical laboratory support $101,456 SBE CA DGS ➀ 41,948 O0BE N/A Name: UNC Chapel Hill Inst. of Marine Sciences Address: ▇▇▇▇ ▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇ City: ▇▇▇▇▇▇▇▇ City State: NC Zip: 28557 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ ▇▇▇▇ Subconsultant Analytical laboratory support $160,500 OBE N/A º As appropriate, Design Professional shall identify Subcontractors or Suppliers as one ofthe of the following and shall include a valid proofofcertification proof of certification (except for OBE): Certified Minority Business Enterprise MBE Certified Woman Business Enterprise WBE Certified Disadvantaged Business Enterprise DBE Certified Disabled Veteran Business Enterprise DVBE Other Business Enterprise OBE Certified Emerging Local Business Enterprise ELBE Certified Small Local Business Enterprise SLBE Small Disadvantaged Business SDB Woman-Owned Small Business WoSB HUBZone Business HUBZone Service-Disabled Veteran Owned Small Business SDVOSB ➁ º As appropriate, Design Professional shall indicate ifSubcontractor if Subcontractor or Subcontractor is certified by: City ofSan of San Diego CITY State ofCalifornia of California Department ofTransportation of Transportation CALTRANS California Public Utilities Commission CPUC San Diego Regional Minority Supplier Diversity Council SRMSDC State ofCaliforniaof California’s Department ofGeneral of General Services CADoGS City ofLos of Los Angeles LA State ofCalifornia of California CA U.S. Small Business Administration SBA

ATTACHMENT DD. The Consultantshall complete this formforeach projectlisted in response to RFP. The ConsultantPastParticipation Listshall include name, address, telephone number(including area code), classification, type of work, dollar amount of participation, certification, and certifying agency for each Subcontractor or Supplier who participated in the referenced project. NAME OF PROJECT: As-Needed Environmental Monitoring Services – City ofSan Diego TYPE OF PROJECT: Storm Water Monitoring and Consulting Services DOLLAR VALUE OF CONTRACT: $10,000,000 NAME, ADDRESS AND TELEPHONE NUMBER OF SUBCONTRACTOR CONTRACTOR, DESIGNER, SUPPLIER, OR VENDOR TYPE OF WORK PERFORMED, MATERIALS OR SUPPLIES DOLLAR AMOUNT OF SUBCONTRACTOR PARTICIPATION OR MATERIALS OR SUPPLIES MBE, WBE, DBE, DVBE, OBE, ELBE, SLBE, SDB, WoSB, HUBZone, OR SDVOSB➀ WHERE CERTIFIED➁ Name: Eurofins Air Toxics, Inc. Address: ▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇ ▇▇▇▇: ▇▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 95630 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Analytical laboratory support $32,673 ▇▇▇ ▇/▇ Name: HDR Engineering& Associates, Inc. Address: ▇▇▇▇ ▇▇▇▇ ▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇: ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 92123 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Technical review lead and comprehensive benefit analysis as-needed field support for sediment sampling $187,966 34,883 SBE/WBE CA DGS; CPUC Name: ▇▇▇▇▇▇▇ ▇/▇▇▇▇ Name: Helix Environmental & Planning, Inc. Engineering Address: ▇▇▇▇ ▇▇▇ ▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇, #▇▇▇ ▇▇▇▇: ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ #▇▇▇ ▇▇▇▇: ▇▇ ▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 91942 92130 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Environmental Annual JURMP services for channel maintenance master plan $101,456 SBE 78,767 ELBE/DBE/MBE City ofSan Diego; CPUC/ CA DGS Name: Nautilus Environmental, Inc. Address: ▇▇▇▇ ▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇ City: San Diego State: CA Zip: 92120 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Technical, field, and laboratory support for TIEs and Toxicity and bioassessments and as- needed technical and field support for benthic sampling and sediment sampling $461,016 SLBE/MBE/WBE City ofSD; CA DGS; CPUC ➀ As appropriate, Design Professional shall identify Subcontractors or Suppliers as one ofthe following and shall include a valid proofofcertification (except for OBE): Certified Minority Business Enterprise MBE Certified Woman Business Enterprise WBE Certified Disadvantaged Business Enterprise DBE Certified Disabled Veteran Business Enterprise DVBE Other Business Enterprise OBE Certified Emerging Local Business Enterprise ELBE Certified Small Local Business Enterprise SLBE Small Disadvantaged Business SDB Woman-Owned Small Business WoSB HUBZone Business HUBZone Service-Disabled Veteran Owned Small Business SDVOSB ➁ As appropriate, Design Professional shall indicate ifSubcontractor or Subcontractor is certified by: City ofSan Diego CITY State ofCalifornia Department ofTransportation CALTRANS California Public Utilities Commission CPUC San Diego Regional Minority Supplier Diversity Council SRMSDC State ofCalifornia’s Department ofGeneral Services CADoGS City ofLos Angeles LA State ofCalifornia CA U.S. Small Business Administration SBA

ATTACHMENT DD. The Consultantshall complete this formforeach projectlisted in response to RFP. The ConsultantPastParticipation Listshall include name, address, telephone number(including area code), classification, type of work, dollar amount of participation, certification, and certifying agency for each Subcontractor or Supplier who participated in the referenced project. NAME OF PROJECT: As-Needed Environmental Monitoring Services – City ofSan Diego TYPE OF PROJECT: Storm Water Monitoring and Consulting Services DOLLAR VALUE OF CONTRACT: $10,000,000 NAME, ADDRESS AND TELEPHONE NUMBER OF SUBCONTRACTOR CONTRACTOR, DESIGNER, SUPPLIER, OR VENDOR TYPE OF WORK PERFORMED, MATERIALS OR SUPPLIES DOLLAR AMOUNT OF SUBCONTRACTOR PARTICIPATION OR MATERIALS OR SUPPLIES MBE, WBE, DBE, DVBE, OBE, ELBE, SLBE, SDB, WoSB, HUBZone, OR SDVOSB➀ WHERE CERTIFIED➁ Name: Eurofins Air Toxics, Inc. Address: ▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇ ▇▇▇▇: ▇▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 95630 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Analytical laboratory support $32,673 ▇▇▇ ▇/▇ Name: HDR EngineeringParadigm Environmental, Inc. Address: ▇▇▇▇ ▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇: ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip▇▇▇: 92123 ▇▇▇▇▇ Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Technical review Quantitative microbial risk assessment (QMRA) support, and comprehensive benefit analysis regulatory services $187,966 ▇▇▇ ▇/▇ 81,675 ELBE City ofSD Name: Helix Environmental & Planning, Inc. Physis Laboratories Address: ▇▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇ City: Anaheim State: CA Zip: 92806 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Analytical laboratory support $139,040 OBE N/A Name: Sierra Analytical Labs, Inc. Address: ▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇ #▇▇▇ ▇▇▇▇: ▇▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 91942 ▇▇▇ ▇▇▇▇▇ Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Environmental services for channel maintenance master plan Analytical laboratory support $101,456 10,753 SBE CA DGS ➀ As appropriate, Design Professional shall identify Subcontractors or Suppliers as one ofthe following and shall include a valid proofofcertification (except for OBE): Certified Minority Business Enterprise MBE Certified Woman Business Enterprise WBE Certified Disadvantaged Business Enterprise DBE Certified Disabled Veteran Business Enterprise DVBE Other Business Enterprise OBE Certified Emerging Local Business Enterprise ELBE Certified Small Local Business Enterprise SLBE Small Disadvantaged Business SDB Woman-Owned Small Business WoSB HUBZone Business HUBZone Service-Disabled Veteran Owned Small Business SDVOSB ➁ As appropriate, Design Professional shall indicate ifSubcontractor or Subcontractor is certified by: City ofSan Diego CITY State ofCalifornia Department ofTransportation CALTRANS California Public Utilities Commission CPUC San Diego Regional Minority Supplier Diversity Council SRMSDC State ofCalifornia’s Department ofGeneral Services CADoGS City ofLos Angeles LA State ofCalifornia CA U.S. Small Business Administration SBA

ATTACHMENT DD. The Consultantshall Consultant shall complete this formforeach projectlisted form for each project listed in response to RFP. The ConsultantPastParticipation Listshall Consultant Past Participation List shall include name, address, telephone number(including number (including area code), classification, type of work, dollar amount of participation, certification, and certifying agency for each Subcontractor or Supplier who participated in the referenced project. NAME OF PROJECT: As-Needed Environmental Monitoring Services – City ofSan of San Diego TYPE OF PROJECT: Storm Water Monitoring and Consulting Services DOLLAR VALUE OF CONTRACT: 10,000,000 NAME, ADDRESS AND TELEPHONE NUMBER OF SUBCONTRACTOR CONTRACTOR, DESIGNER, SUPPLIER, OR VENDOR TYPE OF WORK PERFORMED, MATERIALS OR SUPPLIES DOLLAR AMOUNT OF SUBCONTRACTOR PARTICIPATION OR MATERIALS OR SUPPLIES MBE, WBE, DBE, DVBE, OBE, ELBE, SLBE, SDB, WoSB, HUBZone, OR SDVOSB➀ SDVOSBº WHERE CERTIFIED➁ CERTIFIEDº Name: Eurofins Air Toxics, Inc. Address: ▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇ ▇▇▇▇: ▇▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 95630 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Analytical laboratory support $32,673 ▇▇▇ ▇/▇ Name: HDR Engineering, Inc. Address: ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇: ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 92123 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Technical review and comprehensive benefit analysis $187,966 ▇▇▇ ▇/▇ Name: Helix Environmental & Planning, Inc. Address: ▇▇▇▇ ▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ #▇▇▇ ▇▇▇▇: ▇▇ ▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 91942 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Environmental services for channel maintenance master plan $101,456 SBE CA DGS ➀ º As appropriate, Design Professional shall identify Subcontractors or Suppliers as one ofthe of the following and shall include a valid proofofcertification proof of certification (except for OBE): Certified Minority Business Enterprise MBE Certified Woman Business Enterprise WBE Certified Disadvantaged Business Enterprise DBE Certified Disabled Veteran Business Enterprise DVBE Other Business Enterprise OBE Certified Emerging Local Business Enterprise ELBE Certified Small Local Business Enterprise SLBE Small Disadvantaged Business SDB Woman-Owned Small Business WoSB HUBZone Business HUBZone Service-Disabled Veteran Owned Small Business SDVOSB ➁ º As appropriate, Design Professional shall indicate ifSubcontractor if Subcontractor or Subcontractor is certified by: City ofSan of San Diego CITY State ofCalifornia of California Department ofTransportation of Transportation CALTRANS California Public Utilities Commission CPUC San Diego Regional Minority Supplier Diversity Council SRMSDC State ofCaliforniaof California’s Department ofGeneral of General Services CADoGS City ofLos of Los Angeles LA State ofCalifornia of California CA U.S. Small Business Administration SBA

ATTACHMENT DD. The Consultantshall complete this formforeach projectlisted in response to RFP. The ConsultantPastParticipation Listshall include name, address, telephone number(including area code), classification, type of work, dollar amount of participation, certification, and certifying agency for each Subcontractor or Supplier who participated in the referenced project. NAME OF PROJECT: As-Needed Environmental Monitoring Services – City ofSan Diego TYPE OF PROJECT: Storm Water Monitoring and Consulting Services DOLLAR VALUE OF CONTRACT: $10,000,000 NAME, ADDRESS AND TELEPHONE NUMBER OF SUBCONTRACTOR CONTRACTOR, DESIGNER, SUPPLIER, OR VENDOR TYPE OF WORK PERFORMED, MATERIALS OR SUPPLIES DOLLAR AMOUNT OF SUBCONTRACTOR PARTICIPATION OR MATERIALS OR SUPPLIES MBE, WBE, DBE, DVBE, OBE, ELBE, SLBE, SDB, WoSB, HUBZone, OR SDVOSB➀ WHERE CERTIFIED➁ Name: Eurofins Air Toxics, Inc. Address: ▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇▇, PhD, PE Address: ▇▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇: ▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇: ▇▇ ▇▇▇: ▇▇▇▇▇ Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Technical lead for air monitoring $3,048 OBE N/A Name: Laboratory Data Consultants Address: ▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇ West, Suite 220 City: Carlsbad State: CA Zip: 95630 92010 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Analytical laboratory support $32,673 ▇▇▇ ▇4,036 OBE N/▇ A Name: HDR Engineering, Inc. Address: ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇ Associates Address: ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇▇▇ ▇▇▇ ▇▇▇▇: ▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 92123 92008 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Technical review As-needed technical support for planning and comprehensive benefit analysis technical and regulatory assistance related tasks $187,966 ▇▇▇ ▇388,113 OBE N/▇ Name: Helix Environmental & Planning, Inc. Address: ▇▇▇▇ ▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ #▇▇▇ ▇▇▇▇: ▇▇ ▇▇▇▇ ▇▇▇▇▇: ▇▇ Zip: 91942 Phone: (▇▇▇) ▇▇▇-▇▇▇▇ Subconsultant Environmental services for channel maintenance master plan $101,456 SBE CA DGS A ➀ As appropriate, Design Professional shall identify Subcontractors or Suppliers as one ofthe following and shall include a valid proofofcertification (except for OBE): Certified Minority Business Enterprise MBE Certified Woman Business Enterprise WBE Certified Disadvantaged Business Enterprise DBE Certified Disabled Veteran Business Enterprise DVBE Other Business Enterprise OBE Certified Emerging Local Business Enterprise ELBE Certified Small Local Business Enterprise SLBE Small Disadvantaged Business SDB Woman-Owned Small Business WoSB HUBZone Business HUBZone Service-Disabled Veteran Owned Small Business SDVOSB ➁ As appropriate, Design Professional shall indicate ifSubcontractor or Subcontractor is certified by: City ofSan Diego CITY State ofCalifornia Department ofTransportation CALTRANS California Public Utilities Commission CPUC San Diego Regional Minority Supplier Diversity Council SRMSDC State ofCalifornia’s Department ofGeneral Services CADoGS City ofLos Angeles LA State ofCalifornia CA U.S. Small Business Administration SBA