BPM003359_Experience and Capacity Questionnaire_2A_3B_3C_Clear Creek (1).pdf

PART 3 of the Solicitation Documents Template version 7.0 (28-JAN-2020)

Attachment 2-A Page 1 of 11 3

Experience and Capacity Questionnaire

STATE MAY DETERMINE YOUR PROPOSAL IS NON-RESPONSIVE IF YOU DO NOT ANSWER ALL QUESTIONS FULLY.

The Offeror shall provide a narrative response to each question that demonstrates their understanding of the Scope of Work requirements and describes your company’s overall method of approach for providing the service stated in this solicitation. If there is a question that is not applicable to the services required by the Scope of Work, you may mark it N/A.

EXPERIENCE AND CAPACITY QUESTIONS:

Question 1: Company Profile

The Offeror must include a narrative description of its organization. The narrative must include the following:

1.1 Brief overview of business operations, with an emphasis on experience in regards to the scope of work.

1.2 Date established;

1.3 Ownership (public, partnership, subsidiary, etc.);

1.4 Location in which the Offeror is incorporated;

1.5 Address of “Main Office” (e.g. Corporate Headquarters and any satellite offices responsible for performance of proposed tasks;

1.6 Offeror's organizational chart relevant to the Contract, specifically identifying the key point of contact for all questions related to the submitted offer;

1.7 Full disclosure of any potential conflict of interest between the Offeror and any State employee who functions or has responsibilities in the review or approval of the undertaking or carrying out of the Contract;

1.8 A Statement of whether, in the last five (5) years, the Offeror has filed (or had filed against it) any bankruptcy or insolvency proceeding, whether voluntary or involuntary, or undergone the appointment of a receiver, trustee, or assignee for the benefit of creditors, and if so, an explanation providing relevant details and current status;

1.9 A Statement of whether there are any pending Securities Exchange Commission investigations involving the Offeror, and if such are pending or in progress, an explanation providing relevant details and an attached opinion of counsel as to whether the pending investigation(s) may impair the Offeror’s performance in a Contract under this RFP;

1.10 A Statement documenting all open or pending litigation initiated by Offeror or where Offeror is a defendant or party in any litigation that may have a material impact on Offeror’s ability to deliver the contracted services;

1.11 A Statement documenting all open or pending litigation initiated by Offeror or where Offeror is a defendant or party in any litigation with a Public sector client;

1.12 Full disclosure of any Public Sector contracts terminated for cause or convenience in the past five (5) years; and,

1.13 Full disclosure of any criminal or civil offense.

1.14 Offeror shall provide evidence of any Arizona required business license to provide these services.

1.15 Offeror shall provide copies of any professional or industry certifications that represent the services detailed in this RFP.

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Offeror Response:

1.1 Brief overview of business operations, with an emphasis on experience in regards to the scope of work.

Clear Creek Associates, LLC (Clear Creek) has been operating in Arizona for 21 years and has served communities, companies, and agencies in Arizona since being established in 1999. From the beginning, our business has emphasized quality-focused, responsive hydrologic consulting services for numerous clients across the Southwest. In 2016, Clear Creek became a wholly owned subsidiary of Geo-Logic Associates, Inc., a geological and engineering firm with 260 employees and 30 offices. Clear Creek was founded to provide professional consulting services in groundwater resources and hydrology across Arizona and has grown to a staff of 38 people, with offices in the Phoenix and Tucson metro areas.

The strong credentials and local experience of Clear Creek’s hydrologists, geologists, and environmental engineers are unmatched in Arizona. The impressive team of 22 technical professionals in our Scottsdale office includes 12 State of Arizona Registered Professionals. Staying abreast of the state-of-the-art technologies that can be applied to groundwater resource challenges has enabled Clear Creek professionals to maintain a reputation of technical excellence with state and federal agencies, while providing practical hydrogeologic solutions for over 400 clients nationwide. Clear Creek professionals have over 400 years of combined experience, honing our core science, technical skills, and ability to communicate honestly and clearly.

Clear Creek has provided remediation consulting services, including work on legacy mining, remedial investigation / feasibility studies, and well abandonment projects, for 21 years. Our staff have worked for public and private sector clients across the state, including mining clients (e.g., Freeport-McMoRan [and its various subsidiaries], Arizona Minerals, Inc.), government agencies ranging from city to state jurisdiction (e.g., Arizona Department of Environmental Quality [ADEQ], Cities of Phoenix and Tucson), and private sector clients.

Legacy Mining: Clear Creek has been providing consulting services at active and closed mine sites for more than 20 years. We help to support reclamation programs consistent with intended post-closure land use. Clear Creek manages corrective actions from small soil removal projects to the design and implementation of multi-media extraction and treatment systems. We perform groundwater and vadose zone characterizations, monitoring, and computer modeling to select and design cost-effective remedies.

The strength of our services lies in our staff’s practical experience coupled with knowledge of applicable environmental regulations. Our capabilities allow us to address the most complex challenges, such as fulfilling closure requirements, evaluating future water quality, designing containment systems for leaching solutions and process water, and protecting the beneficial uses of water.

Our technical staff includes hydrologists, geologists, environmental scientists, engineers, and geographic information system (GIS) and AutoCAD specialists. The depth of our staff enables Clear Creek to effectively meet a wide range of project needs.

Remedial Investigation / Feasibility Study: Remedial investigation approaches vary. Clear Creek tailors our remedial investigation approach to the project’s specific needs. A well-designed and executed subsurface characterization is the key to developing an effective, site-specific remedial approach. Early development of a Site Conceptual Model and Remedial Action Objectives are key to completion of an efficient and cost-effective remedial investigation. We conduct feasibility studies to evaluate the appropriateness of remedial technologies and to select technologically suitable, cost-effective solutions to subsurface contamination. Our design experience ranges from plans and specifications for simple excavations to complete extraction and treatment at mine and Superfund sites.

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Consulting Services: Clear Creek is a consulting firm that provides technical expertise in both the environmental and water resources arenas. The Principals of the firm have all provided Technical Expert and Third-Party consulting services and several have provided Expert Witness support. We strive to offer practical solutions to meet the needs of each and every client, large and small alike.

Well Abandonment: Understanding how wells are constructed is important to understanding how to properly abandon them. Clear Creek is well known for our well design, drilling, and construction oversight services, yet we have assisted numerous clients with abandoning a number of wells and boreholes as described in the attached project descriptions. We possess a thorough understanding of the Arizona Department of Water Resources (ADWR) Well Abandonment Handbook and the acceptable alternatives for abandoning wells where contamination exists.

1.2 Date established;

Clear Creek was established in 1999.

1.3 Ownership (public, partnership, subsidiary, etc.);

Clear Creek Associates, LLC, is an Arizona LLC and a wholly owned subsidiary of Geo- Logic Associates, Inc.

1.4 Location in which the Offeror is incorporated;

Clear Creek’s main office, which is listed on the Arizona business license, is located at 6155 E. Indian School Road, Suite 200, Scottsdale, AZ 85251

1.5 Address of “Main Office” (e.g. Corporate Headquarters and any satellite offices responsible for performance of proposed tasks;

Clear Creek will utilize resources from two office locations in Arizona for this work.

Main office: 6155 East Indian School Road, Suite 200, Scottsdale, AZ 85251 Southern Region office: 221 North Court Avenue, Suite 101, Tucson, AZ 85701

1.6 Offeror's organizational chart relevant to the Contract, specifically identifying the key point of contact for all questions related to the submitted offer;

The point of contact is Douglas Bartlett at dbartlett@clearcreekassociates.com.

Organizational chart (see next page):

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1.7 Full disclosure of any potential conflict of interest between the Offeror and any State employee who functions or has responsibilities in the review or approval of the undertaking or carrying out of the Contract;

Clear Creek has no potential conflict of interest (COI). Clear Creek will conduct a COI check for each proposed task under this contract before agreeing to take on the work.

1.8 A Statement of whether, in the last five (5) years, the Offeror has filed (or had filed against it) any bankruptcy or insolvency proceeding, whether voluntary or involuntary, or undergone the appointment of a receiver, trustee, or assignee for the benefit of creditors, and if so, an explanation providing relevant details and current status;

In the last five years, Clear Creek has not filed bankruptcy or insolvency proceedings or had any filed against us.

1.9 A Statement of whether there are any pending Securities Exchange Commission investigations involving the Offeror, and if such are pending or in progress, an explanation providing relevant details and an attached opinion of counsel as to whether the pending investigation(s) may impair the Offeror’s performance in a Contract under this RFP;

There are no pending Securities Exchange Commission investigations involving Clear Creek.

1.10 A Statement documenting all open or pending litigation initiated by Offeror or where Offeror is a defendant or party in any litigation that may have a material impact on Offeror’s ability to deliver the contracted services;

There is no open or pending litigation that would have a material impact on Clear Creek’s ability to deliver contracted services to the State.

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1.11 A Statement documenting all open or pending litigation initiated by Offeror or where Offeror is a defendant or party in any litigation with a Public sector client;

There is no open or pending litigation initiated by Clear Creek or where Clear Creek is a defendant or party in any litigation with a Public sector client.

1.12 Full disclosure of any Public Sector contracts terminated for cause or convenience in the past five

(5) years; and, There have not been any Public Sector contracts terminated for cause or convenience.

1.13 Full disclosure of any criminal or civil offense.

There are no criminal or civil offenses to report.

1.14 Offeror shall provide evidence of any Arizona required business license to provide these services.

Clear Creek has business licenses in all cities in Arizona that require them and in which we are working. The main office is located in Scottsdale and license number is 0925543 and is attached as a supplement. Clear Creek has an Arizona Transaction Privilege Tax license number 07603056. The license verification is attached.

1.15 Offeror shall provide copies of any professional or industry certifications that represent the services

Clear Creek has a firm registration with the State of Arizona Board of Technical Registration. The registration number is 10253 and the services offered is Geologist. The registration is attached as a supplement.

Question 2: Company Experience

A. Provide two (2) examples of projects that exhibit your experience with different types and sizes of

Assessment or Remediation of Hazardous or Regulated Substances or Materials.

Clear Creek is responding to scope of service items 5.1.1 Legacy Mining (LM), 5.1.4 Remedial Investigation / Feasibility Study (RI/FS), 5.1.6 Consulting Services (CS), and

5.1.9 Well Abandonment (WA).

For detailed project descriptions, please see the Experience Reference section and Attachment 2-A Supplement: Project Descriptions, which follows this form.

(Response continues on the next page.)

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Project Name, Client, Location Discipline

LM RI/FS CS WA

Remediation Services for Tailing Storage Facility, Arizona Minerals Inc.

(Arizona Mining, Inc.), Santa Cruz County, AZ*

Remediation Services for Motorola 52nd Street Superfund Site, NXP USA, Inc., Phoenix, AZ*

Stone Grant Water Quality Assurance Revolving Fund (WQARF) Site, Arizona Department of Environmental Quality, Tucson, AZ*

Well Abandonment Services at Power Generating Station, Arizona Public Service, Joseph City, AZ*

Cyprus Tohono Mine Site Groundwater Remedial Investigation and Feasibility Study, Cyprus Tohono Corporation and Freeport-McMoRan Copper & Gold, Inc., Tohono O'odham Nation, AZ*

Former Southwest Cooperative Wholesale – Phase I, II, Remediation and Redevelopment for City of Phoenix Aviation and Public Works, Phoenix, AZ PD

Wedgetail Tailing Storage Facility Inspection and Design Upgrades, Wedgetail Operations, LLC, Pima County, AZ PD

Consulting Services, Lower Pinal Creek Water Treatment Plant, Freeport-McMoRan Miami Inc., Globe, AZ PD

Well Abandonment Services for Motorola Sites, NXP USA, Inc., Phoenix, AZ PD

Legacy Mining Project at Former Eagle Picher Mill Site, Freeport McMoRan, Sahuarita, AZ PD

*reference and project description provided in the Experience References section of this form;

PD Project description provided in the supplement that follows this form

Question 3: Proposed Project Members and Organization

Utilize Attachment 3-B to identify Key Personnel to be utilized to perform services within a resultant contract.

In addition, also state the Members related experience with large local, state or federal government agencies.

Question 4: Subcontractors

Utilize Attachment 3-C to identify Proposed Subcontractors to be utilized to perform services within a resultant contract.

Question 5: Submit copies of all applicable certificates and licenses that support Offeror’s ability to provide the related goods/services being proposed.

Copies of Clear Creek’s applicable certificates and additional project descriptions are located in the supplement at the end of this form. Resumes are provided as a supplement and follow form Attachment 3-B.

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EXPERIENCE REFERENCES:

The State intends to conduct reference checks for account referenced provided by Offerors. It may, at its sole discretion contact additional clients not presented as references.

Offerors shall provide at least three (3) client references for assignments that replicate or mirror the requirements of this RFP. Prefer at least one (1) of the projects referenced be Arizona government related.

All assignments shall be for assignments received and completed within the last five (5) years.

1 Client Company/Address Contact Begin Date End Date

Arizona Minerals Inc. Brent Musslewhite 2016 2018

Phone Number Email Address

520-485-1300 Brent.musslewhite@south32.net

Event Scope and deliverables, include number of resources engaged in project, timeline of project (major milestones)

Legacy Mining and Consulting Services Project.

Two of Clear Creek’s staff managed a multi-disciplinary team in the preparation of Aquifer Protection Permit (APP) and Voluntary Remediation Program (VRP) applications to address and eliminate discharges of mine impacted water and tailings pile seepage to surface water from historical mining facilities. The activities permitted by the APP include moving historic tailing storage piles and acid-generating waste rock to a lined tailing storage facility (TSF) for collection of solutions through an underdrain collection system. This will prevent future seeps from the toe of the historic tailing piles, and allow for collection of underdrain solutions. A double-lined underdrain collection pond was permitted downgradient of the lined TSF to collect solutions from the re-handled historic tailings and potentially acid-generating (PAG) waste rock. Finally, an active water treatment plant was designed and is under construction to treat discharges from the old mine workings and solutions captured in the underdrain collection pond from the historic tailings, PAG waste rock, and precipitation that falls within the lined facility. Clear Creek’s role included formulation of the permitting strategy, managing engineering consultants on the team, and leading the permitting process to ensure administratively and substantively complete applications. The APP was issued by ADEQ within a short timeframe, and the site was admitted into the VRP. The VRP work plan was submitted to ADEQ for approval in April 2017. The APP and VRP applications were submitted in June 2017. ADEQ issued the APP in January 2018.

Discharges from the Water Treatment plant also required an Arizona Pollutant Discharge Elimination System Permit. Since the permits were issued, the historic seeping tailings have been moved to a liner and the underdrain collection pond and water treatment plant were constructed.

List job positions provided and technologies utilized to supplement services.

Clear Creek’s role was as the project manager and included a permitting specialist. The role ensured that requirements for discharge controls were met and that groundwater and surface water standards were achieved.

Technologies used included: well design and formulation of site conceptual model.

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2 Client Company/Address Contact Begin Date End Date

NXP USA, Inc. Jenn McCall 2015 Ongoing

480-814-4587 jenn.mccall@nxp.com

Event Scope and deliverables, include number of resources engaged in project, timeline of project (major milestones)

Remedial Investigation / Feasibility Study, Consulting Services, and Well Abandonment Project.

Motorola 52nd Street Superfund Site contains an area of groundwater impacted with chlorinated solvents in east-central Phoenix, Arizona, with a plume that extends westward along the north side of Phoenix Sky Harbor Airport. Contamination is co-mingled from multiple sources, and the site has been divided into three Operable Unit segments. Clear Creek is NXP’s prime consultant overseeing multiple remediation activities throughout the Motorola 52nd Street Superfund Site including the Operable Unit 1 (OU1) Area.

Amongst other activities, 12 Clear Creek personnel conduct ongoing groundwater monitoring and sampling activities at numerous groundwater monitor well locations and use the available data to evaluate the effectiveness of the OU1 groundwater remedy in achieving remedial objectives. Groundwater sampling occurs at varying schedules depending on the objective, monitoring parameter, and well location. Monitoring occurs at quarterly, semi-annual, annual, and 5-year intervals, in-line with the objectives. Indoor air operations and maintenance sampling to monitor performance of sub-slab depressurization systems is currently conducted on a bi-annual (i.e., two year) basis with results reported on the same cycle.

After evaluation of results, Clear Creek prepares a groundwater monitoring report on a semi-annual basis with the major milestone being the annual monitoring and effectiveness report for the ADEQ and U.S.

Environmental Protection Agency (EPA). The annual monitoring and effectiveness report includes a description of groundwater monitoring and remediation activities conducted during the annual reporting period, results of water quality samples collected and water level elevations measured during the reporting period and historical trends, results of soil vapor monitoring, and an assessment of the overall effectiveness of the OU1 groundwater remedy with respect to hydraulic containment of contaminated groundwater. Ongoing work includes routine groundwater and soil vapor monitoring, remedial performance evaluations, and development of an RI/FS for a final groundwater remedy. The schedule for these future milestones is not yet determined. As a confirmed dense non-aqueous phase liquid (DNAPL) in bedrock site, technical impracticability considerations for bedrock will be a key consideration in evaluating remedial alternatives for the final remedy.

List job positions provided and technologies utilized to supplement services.

Clear Creek’s role as the prime consultant is to ensure regulatory compliance, oversee the project, and conduct regulatory compliance tasks as needed. Job positions included project manager, permitting specialist, field staff, hydrologists, and geologists.

Technologies used included: groundwater monitoring, groundwater flow and transport modeling, GIS, Access database, soil gas sampling, indoor air sampling, passive flux meter sampling, sub-slab depressurization, vapor pin sub-slab sampling, Westbay monitoring, passive diffusion bag sampling, and microbial quantification and assays.

Attachment 2-A Page 9 of 11 3

3 Client Company/Address Contact Begin Date End Date

Arizona Department of Environmental Quality William Ellett 2017 2019

Phone Number Email Address

520-323-2848 wjellett@msn.com

Event Scope and deliverables, include number of resources engaged in project, timeline of project(major milestones)

Remedial Investigation / Feasibility Study and Consulting Services Project.

ADEQ selected Clear Creek to conduct a remedial investigation (RI) at this Water Quality Assurance Revolving Fund (WQARF) site to characterize the extent and exposure pathways of tetrachloroethene (PCE) releases from a former dry cleaner. Ms. Jones managed all phases of the investigation, with assistance from Ben Daigneau, working in collaboration with ADEQ.

Clear Creek (4 personnel) supervised drilling and installation of 11 nested monitoring wells at 6 locations using sonic drilling methods to evaluate groundwater quality in the perched and regional aquifers. Depth-specific water samples were collected during drilling and analyzed in the field using a portable gas chromatograph to select the intervals to be screened. Soil gas samples were also collected during the drilling to evaluate the vertical distribution of PCE vapors in the vadose zone. Shallow soil vapor surveys were conducted using various sampling methodologies (grab soil vapor samples and sorbent samplers) to identify exceedances of soil vapor screening levels. Indoor air quality was investigated.

Clear Creek collected and evaluated the data, identified source areas, identified fate and transport mechanisms, prepared maps delineating the extent of impacts to soil vapor and groundwater, and proposed a preliminary conceptual site model that was approved by ADEQ. Ms. Jones prepared the RI report.

This project was complicated by the presence of a leaking underground storage tank site with a soil vapor extraction (SVE) system across the street which mobilized PCE vapors. In addition, another source of PCE was identified at a nearby former dry cleaner, which turned out to be a more significant source than the original one that prompted the investigation.

In order to hasten the investigation process and gather real-time data, a portable gas chromatograph was used to analyze groundwater, and a field laboratory was hired to analyze soil vapor samples.

List job positions provided and technologies utilized to supplement services.

Clear Creek staff included the project manager (Alison Jones) and field staff who oversaw all drilling, well installation, and soil vapor sampling. Clear Creek wrote the RI report.

Technologies used included: sonic drilling methods, portable gas chromatograph, portable laboratory, and sorbent samplers to characterize soil gas.

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4 Client Company/Address Contact Begin Date End Date

Arizona Public Service Clay Cady 2019 2019

(602) 250-4617 clay.cady@aps.com

Project Scope and deliverables, include number of resources engaged in project, timeline of project(major milestones)

Well Abandonment and Consulting Services Project.

Clear Creek was retained by Arizona Public Service (APS) to oversee the abandonment of 11 former dewatering wells at a power generating station in Arizona. Weber Water Resources (Weber) was the licensed well drilling contractor who conducted the abandonments. The wells were abandoned according to ADWR guidelines using the “Standard Abandonment Method” in which casing is re-perforated from above the historic water level to the total depth of the well, and the well is then completely filled with neat cement grout. The standard abandonment method is considered the most stringent and thorough abandonment method, as it meets ADWR requirement under any combination of aquifer and vadose zone conditions. Three Clear Creek staff worked on this project.

The 11 wells were each video surveyed multiple times, cleaned, and perforated to the extent casing and formation conditions allowed prior to being backfilled with neat cement grout. These milestones were completed for all 11 wells within 12 weeks (79 days). The top 5 feet of each well casing were removed and the excavation was backfilled, leveled, and compacted with natural fill. Reasonable and prudent care was taken to ensure conformance to ADWR standards and guidelines, so that future vertical migration of water within each well casing or annulus will not occur.

List job positions provided and technologies utilized to supplement services.

Clear Creek’s role as the primary consultant, including project manager and field staff, was to oversee well abandonment tasks and ensure compliance, provide quality control and quality assurance for the tasks, and report as needed.

Technologies used included: The annulus of each well was excavated using hydrovac equipment, and cement grout surface seal was subsequently installed.

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5 Client Company/Address Contact Begin Date End Date

Cyprus Tohono Corporation and Freeport- McMoRan Copper & Gold, Inc. Bryce Romig 2001 Ongoing

602-366-7405 bromig@fmi.com

Event Scope and deliverables, include number of resources engaged in project, timeline of project(major milestones)

Legacy Mining, Remedial Investigation / Feasibility Study, Consulting Services, and Well Abandonment Project.

The Cyprus Tohono Corporation (CTC) Mine is located approximately 30 miles southwest of Casa Grande, Arizona, on lands leased from the Tohono O'odham Nation. This mine has a complex history of sporadic operations being conducted using various techniques by differing owners to mine and process both oxide ores and sulfide ores at the site going back to the early 1800s. Mining operations included underground mining, in-situ leach mining, and open pit mining. The CTC Mine is currently in care and maintenance status. Clear Creek Associates is providing Project Management support for the overall Groundwater RI/FS at the CTC Mine Site and is currently conducting investigation activities for the groundwater RI. Over the years, 10 of Clear Creek’s staff has coordinated and overseen multiple geophysical investigations and groundwater investigations at the mine property.

Approximately 60 new monitor wells have been installed to characterize groundwater conditions over a 30 square mile area. Permitting, siting, and installation occurred within 12 months. Clear Creek Associates has developed a groundwater model for the Site and worked with CTC to demonstrate the existence of a hydraulic capture zone in the area of the underground workings and mine pit. The presence of the hydraulic capture zone is a critical consideration regarding future alternatives for affected groundwater in this area, including the former in-situ mining operation. Additionally, in 2004 Clear Creek Associates worked with CTC and the Tohono O'odham Nation to site and install two new supply wells to serve the community of North Komelik. The compounds of interest at the site included uranium, sulfate and perchlorate. The results of the investigations were documented in the RI Report.

List job positions provided and technologies utilized to supplement services.

Positions provided included Principal, Senior Hydrogeologist, Senior Project Manager, Project Manager, and Staff Hydrogeologist (I, II, III) Technologies used included: groundwater flow and transport modeling, ARC GIS, well installation and well abandonment, borehole zonal sampling, geophysical logging, geophysical surveys, depth specific sampling, lake sampling, passive soil gas sampling, and groundwater monitoring.

End of Attachment 2-A

Supplement: Firm and Staff Certifications

Clear Creek’s Firm and Staff Certifications

THIS LICENSE MUST BE DISPLAYED IN A CONSPICUOUS PLACE

The issuance of this license shall in no way be construed as permission to operate a business activity in violation of any other law or regulation to which such activity may be subject.

TELEPHONE NUMBERS AND ADDRESS INFORMATION

CITY OF SCOTTSDALE

BUSINESS REGISTRATION LICENSE

CITY OF SCOTTSDALE

SCOTTSDALE, AZ

LICENSE PERIOD

01/01/2021 - 12/31/2021

LICENSE NUMBER

0925543

TYPE

SERVICE

SERVICE ADDRESS

6155 E INDIAN SCHOOL RD, STE 200

DATE ISSUED

December 15, 2020

CLEAR CREEK ASSOCIATES

6155 E INDIAN SCHOOL RD STE 200

SCOTTSDALE, AZ 85251-5499

CITY MANAGERNON-TRANSFERABLE

DETACH AT PERFORATION AND DISPLAY TOP PORTION

BUSINESS SERVICES INFORMATION:

LICENSE REGISTRATION

7447 E. INDIAN SCHOOL ROAD, SUITE 110

SCOTTSDALE, ARIZONA 85251

(480) 312-2400

OFFICE HOURS:

8 A.M. TO 5 P.M. ON MON, TUES, THUR, FRI*

9 A.M. TO 5 P.M. ON WED

CLOSED ON HOLIDAYS

*CLOSED ON FRIDAYS UNTIL FURTHER NOTICE

STATE OF ARIZONA

BOARD OF TECHNICAL REGISTRATION

■ FIRM REGISTRATION ■

FIRM NAME:

Clear Creek Associates, LLC

FIRM REGISTRATION NO.:

10253-0

FIRM ADDRESS:

6155 E. Indian School Road Suite 200 Scottsdale, Arizona 85251

EXPIRES:

11/21/2021

SERVICES OFFERED:

Geology

MELISSA CORNELIUS

EXECUTIVE DIRECTOR FOR THE BOARD

Supplement: Project Descriptions

Clear Creek’s Select, Relevant Project Descriptions

Discipline(s): Remedial Investigation / Feasibility Study, Consulting Services

Client Name: City of Phoenix Aviation and Public Works

Project Name: Former Southwest Cooperative Wholesale – Phase I, II, Remediation and Redevelopment

Project Location: Phoenix, AZ

Project Duration: 2012 - 2013

Project Description:

Clear Creek was retained to perform environmental due diligence work for the acquisition and redevelopment of a 12-acre parcel of land previously occupied by a business that conducted formulation and distribution of various pesticide mixtures. Although previous investigations and remediation completed by the cooperative resulted in a no further action (NFA) determination and deed restriction with the ADEQ, the City was concerned about residual pesticide levels potentially remaining at the property and the potential liability to the City as a future owner.

Clear Creek performed a Phase I ESA according to ASTM standards and conducted an extensive review of numerous environmental documents and investigations previously conducted for the property. As a result of the review, additional investigation activities were recommended by Clear Creek, including development of a Conceptual Site Model (CSM) and additional sampling to fill data gaps. Results of additional sampling identified significant residual toxaphene contamination above the original cleanup goals, as well as other chemicals of concern. This information was used by the City to assist with negotiation of a sale price with the property owner.

After the City agreed to acquire the property, Clear Creek was retained to develop and oversee the remediation program, including a human health risk assessment (HHRA), and conduct the work in coordination with the ADEQ Voluntary Remediation Program (VRP). Project deliverables included a Sampling and Analysis Plan, Quality Assurance Project Plan, Phase II investigation report, development of risk-based remediation cost scenarios, Remediation Work Plan, an Excavation Plan, and a Remediation Closure Report.

Remediation work was initiated in December 2012 and was completed in February 2013. The City received a new NFA determination from the ADEQ VRP in December 2013. The site has now been redeveloped into a parking lot for airport employees. This project was completed on time and within budget and a large percentage of the costs for remediation of organochlorine pesticides in shallow soils were approved for reimbursement by the insurance company.

Clear Creek Project Manager and Key Personnel: Wayne Feller, Russ Granfors

Discipline(s): Legacy Mining, Consulting Services

Client Name: Wedgetail Operations, LLC

Project Name: Wedgetail Tailing Storage Facility Inspection and Design Upgrades

Project Location: Pima County, Arizona

Project Duration: Ongoing

Project Description:

Clear Creek Associates, LLC (Clear Creek) was retained to inspect a closed, historic tailing storage facility (TSF) at the former Oracle Ridge Mine in Pima County, Arizona, to evaluate whether Best Available Demonstrated Control Technologies (BADCT) were implemented at the site. The evaluation included an inspection of the cover and its efficacy in minimizing infiltration and prevention of discharges from the facility. The review also included an assessment of run-on and run-off controls. Findings were presented in a report signed, dated and sealed by an Arizona-registered professional engineer in 2021.

The inspection found that the facility did not meet BADCT. The condition of the cover allows for infiltration into the tailing.

Furthermore, the cover surface is not graded in a manner to promote stormwater to run-off and thereby minimize the amount of stormwater that infiltrates into the TSF. These conditions have resulted in impacts to groundwater quality.

Clear Creek is currently working on a hydro study to evaluate surface water flows onto the TSF. A cover design with appropriate soil materials, thickness, and vegetation is being developed. Drainage from the surrounding hillside and roads will be diverted away from the TSF to minimize infiltration into the tailings. A spillway will be designed. Stormwater diversions will consist of devices such as berms and ditches that collect and divert stormwater into other drainages.

This work is being conducted under a compliance schedule in the Aquifer Protection Permit issued by ADEQ.

Clear Creek Project Manager and Key Personnel: Alison Jones, RG, and Rob Valeschini, PE

Discipline(s): Consulting Services, Well Abandonment

Client Name: Freeport-McMoRan Miami Inc.

Project Name: Consulting Services, Lower Pinal Creek Water Treatment Plant

Project Location: Globe, AZ

Project Duration: 1989 - present

Project Description:

The Lower Pinal Creek Water Treatment Plant (LPCWTP) treats acidic, metal-bearing groundwater impacted by mining operations. It is operated under a Consent Decree for the Pinal Creek Water Quality Assurance Revolving Fund site near Globe, Arizona. Groundwater is treated at the plant to meet surface water standards before it is discharged to a stream channel. Mr. Norris worked with a multi-disciplinary team of chemical and civil engineers to develop the conceptual process design and to conduct laboratory and field testing verification of the process. Mr. Norris was the lead for permitting the facility first with U.S. Environmental Protection Agency (EPA) under the National Pollutant Discharge Elimination System (NPDES), and then with ADEQ under the Arizona Pollutant Discharge Elimination System

(AZPDES).

The water treatment process uses a two-stage addition of base (lime and/or soda ash) to neutralize the acidity of the influent combined with a clarification step after each addition of base. The first addition of base raises the solution pH to approximately 7 to precipitate metal-bearing oxide and hydroxide solids of aluminum, copper, iron, and other metals. The precipitates are removed by clarification and the clarified water is routed to a second stage of base addition to remove manganese at a pH of about 9. The treated water flows through Greenleaf sand filters following second stage clarification and is acidified to lower the pH to meet the surface water standard prior to its release to the stream channel through an AZPDES-permitted outfall. The solids produced by treatment form a waste sludge that is stored in two storage tanks for subsequent disposal at a former open pit mine used as a solids repository. The solids are periodically batch-pumped to the repository. A single-stage neutralization process is possible and may be utilized in the future when the influent concentrations of heavy metals will be lower. The design basis maximum and long-term average flows of the LPCWTP are approximately 6,500 gallons per minute (gpm) and 4,000 gpm, respectively. Actual annual average flow rates through the treatment plan vary over time depending on the groundwater flow rate.

As part of the remediation efforts, the Pinal Creek Group (now the Pinal Creek Project), installed over 170 monitoring wells to document water levels and the water quality within the alluvial aquifer and the remediation progress. Clear Creek assists the Pinal Creek Project with the remediation by performing quality assurance reviews of the monthly water quality reports, and overseeing new and replacement monitor well installation and well abandonments. Clear Creek prepares the Notices of Intent to drill wells or Notices of Intent to Abandon a well, and provides oversight in the field. During installation of a well, Clear Creek logs the lithology of the formation, prepares well construction diagrams based on field data, and oversees the construction, logging annular materials and performing pipe tallies. During the abandonment of a well, Clear Creek prepares the abandonment plan and oversees the emplacement of the abandonment materials. For both the well installation and abandonments, Clear Creek prepares the design in accordance with the Special Well Construction and Abandonment Procedures, Arizona Department of Water Resources (ADWR), 2007.

Clear Creek Project Manager and Key Personnel: Jim Norris and John Villinski

Discipline(s): Consulting Services, Well Abandonment

Client Name: NXP USA, Inc. (former Motorola Inc., and Freescale Semiconductor, Inc.)

Project Name: Well Abandonment Services for Motorola 52nd Street Superfund Site

Project Location: Phoenix, AZ

Project Duration: 52nd Street work was in 2005, 2009, 2014, 2018; 56th Street and Earll Drive was in 2014; Broadway and Dobson was in 2016

Project Description:

Clear Creek has worked with Motorola and its successors, Freescale Semiconductor and then NXP USA, Inc., for over 20 years in all aspects of the Site investigation and cleanup at three primary sites: the Motorola 52nd Street Superfund Site, the 56th Street and Earll Drive WQARF Site, and the Broadway and Dobson Voluntary Remediation Site. After site closure was approved for the Broadway and Dobson Site, Clear Creek planned and supervised the abandonment of 33 wells including 14 large extraction wells and 8 wells in city right-of-way. At the Motorola 52nd Street Superfund Site and the 56th Street and Earll Drive WQARF Site, which are both still being actively monitored, Clear Creek has supervised the abandonment of 16 wells for a variety of reasons, including abandonment prior to construction that would have destroyed the well, property transfers, wells that went dry, and wells located in areas that no longer required monitoring. For all well abandonments Clear Creek followed the ADWR rules published in the Arizona Administrative Code, specifically Article 9, Rule R12-15-816. Clear Creek prepared the necessary abandonment permits and provided oversight of the abandonment activities by a licensed well drilling subcontractor for the successful abandonment of these wells.

Clear Creek Project Manager and Key Personnel: Tom Suriano (Project Manager), Russ Granfors, Sharen Meade, amd Robert Bright

Discipline(s): Legacy Mining and Consulting Services

Client Name: Freeport McMoRan

Project Title: Legacy Mining Project at Former Eagle Picher Mill Site

Project Location: Sahuarita, AZ

Project Description:

Clear Creek conducted a soil and groundwater investigation of the Eagle Picher Mill site in Sahuarita, Arizona, to evaluate the nature and extent of impacts from former ore processing operations. The Eagle Picher Mill site was historically used as a mill site and tailing impoundment for processing lead-zinc ore. The former mill site and tailing impoundment were reclaimed in the late 1960s by removal of buildings and capping the impoundment with a vegetated soil cover.

Contaminants of concern in soil at the Eagle Picher Mill site were identified in previous investigations as lead, arsenic, and manganese. Fifty-one soil borings were advanced and 154 soil samples were analyzed by X-ray fluorescence (XRF) and laboratory methods in one-foot increments. XRF was used as a field screening tool. The extent of soil remediation level exceedances of lead, arsenic, and manganese was identified based on the laboratory analytical data for soil samples.

The results of the investigation were consistent with the conceptual site model that residual tailing is the source of metals at the Eagle Picher Mill site. The results of this characterization refined the site information on the lateral and vertical extent of tailing-affected material with metals at concentrations above the soil remediation levels (SRLs). The extent of exceeding SRLs, as defined by this investigation, was used for developing a preliminary conceptual design for the remediation Work Plan.

Groundwater flow from the site is to the northwest, based on groundwater levels in three monitor wells at the site.

Groundwater from one monitor well exceeded the aquifer water quality standards (AWQS) for nitrate (i.e., 11 milligrams per liter [mg/L] versus the AWQS of 10 mg/L). This result is likely due to agricultural operations upgradient from this well. Arsenic concentrations in the three monitoring wells were below the 0.050 mg/L AWQS and the 0.010 mg/L maximum contaminant level (MCL). Periodic historical, low-level exceedances of the 0.010 mg/L MCL at the upgradient monitor well at Parcel 30 are likely due to naturally-occurring background arsenic in this portion of the Tucson Basin.

Examples of elevated background arsenic are best documented at municipal wells in the Green Valley area.

Clear Creek Project Manager and Key Personnel: Jim Norris (project manager), Alison Jones

Attachment 3-B Page 1 of 10 3

Key Personnel Proposal

Answer all questions thoroughly in the spaces provided. Complete this form in full for each one of the key personnel proposed to be involved in carrying out the Work. Insert or attach a separate resume if desired, but any attached resumes are supplemental to this form and do not substitute for this form. If there are more than three (3) Key Personnel, please utilize the same form for each additional Personnel.

1 Name: Alison Jones, RG How long with company? 13 years

Current position in company:

Senior Hydrogeologist, Project Manager How long in position? 13 years

Position for the Services: Project Manager How much of time will be dedicated to the Services? 10-25 %

What primary functions will be assigned? Project Management; scope, schedule, budget, and staffing oversight; deliverables

Describe person’s experience in performing services like those that are to be assigned:

Ms. Jones’ experience includes over 28 years conducting and managing hydrogeological and environmental projects. Areas of specialization include investigation and characterization of groundwater systems in support of mining projects, legacy mining sites, active and closed municipal landfill evaluations, state and federal Superfund remedial investigations, and leaking underground storage tank site investigations. Ms. Jones has planned and managed many field investigations involving activities such as drilling and well installation, geophysical logging, zonal sampling, aquifer testing, water quality monitoring, characterization and management of contaminated soil, and hazardous waste management. In recent years, her primary activity has been in the hydrogeologic characterization and permitting of mining projects and assistance to clients in navigating complex regulatory requirements.

Ms. Jones managed the following:

• Preparation of January Adit (Norton Mine) Aquifer Protection Permit (APP) and Voluntary Remediation Program (VRP) Applications for legacy mining project to eliminate discharges of mine impacted water and tailings pile seepage to surface water, for Arizona Mining Inc., Santa Cruz County, Arizona.

• All phases of the of the Landfill Operable Unit of the Broadway-Pantano Water Quality Assurance Revolving Fund site for the Arizona Department of Environmental Quality, Tucson, Arizona.

• A remedial investigation to characterize the extent and exposure pathways of tetrachloroethene releases from a former dry cleaner for Arizona Department of Environmental Quality, Tucson, Arizona.

List person’s job-related training and education:

EDUCATION: MS, Geology, Colorado School of Mines, 1983; BS, Geology, 1979, Louisiana State University REGISTRATIONS: Registered Geologist, Arizona, No. 44511 TRAINING: OSHA HAZWOPER Training (40-Hour), 1993; OSHA HAZWOPER Refresher (8-Hour), Current; MSHA Training, 2008; MSHA Refresher (8-Hour), Current

Resume:

Attachment 3-B Supplement_Resumes.pdf (included as a supplement, which follows this form)

Page 2 of 10 3

2 Name: Douglas Bartlett, PG, CHG How long with company? 21 years in company: Principal How long in position? 21 years

Position for the Services:

Principal-in-Charge, Legacy Mining Services

How much of time will be dedicated to the Services? 10 %

What primary functions will be assigned?

Contract and technical oversight, legacy mining services task support, quality assurance, client satisfaction

Describe person’s experience in performing services like those that are to be assigned:

Mr. Bartlett is co-founder of Clear Creek Associates, LLC,, now a wholly owned subsidiary of Geo-Logic Associates, Inc. Areas of specialization include construction of flow and contaminant transport models, evaluation of groundwater resources in fractured rock and unconsolidated aquifers, production well design, mining support, and groundwater remediation design and operation.

Mr. Bartlett has overseen and provided technical support on legacy mining projects at a variety of sites across Arizona. As the president of Clear Creek, Mr. Bartlett has ensured our clients’ needs are met.

Relevant experience includes:

• Directed all field investigations and groundwater modeling from 1989 to 2006.

Responsible for design of three groundwater containment systems. Waste solvents (mainly TCE and trichloroethane [TCA]) were released by Motorola beginning in the mid-1950s.

• Oversaw work on a variety of Arizona mining sites, including near Safford, South of Casa Grande, Dragoon, Phoenix, Cottonwood, Tucson, and Goodyear.

• Principal-in-Charge of groundwater resource evaluations for both Safford and Morenci mining operations then owned by Phelps Dodge Corporation. The projects included drilling many deep test holes and pilot wells in fractured bedrock and the use of seismic, gravity, and controlled source, audio-magneto telluric geophysical techniques to identify likely drilling targets. Aquifer testing was used to estimate the likely sustainable yield of future production wells drilled in the fractured rock. Total budgets for these projects in the 1990s exceeded $20M.

• Principal-in-Charge for groundwater supply study near Gila Bend, Arizona.

List person’s job-related training and education:

EDUCATION: MS, Geology, Colorado State University, 1984; BS, Geology, Colorado State University, 1977 REGISTRATIONS: Registered Geologist Arizona, No. 25059

Resume:

Page 3 of 10 3

3 Name: Marvin Glotfelty, PG How long with company? 21 years in company: Principal Hydrogeologist How long in position? 21 years

Position for the Services:

Principal-in-Charge, Well Abandonment, Consulting Services

How much of time will be dedicated to the Services? 10 %

What primary functions will be assigned? Well abandonment and consulting services task support

Describe person’s experience in performing services like those that are to be assigned:

Mr. Glotfelty has had a career spanning over 35 years and has been involved with almost every aspect of hydrogeology, water supply studies, aquifer testing, well design, well rehabilitation, water rights issues, and water quality assessment. His areas of specialization include groundwater resources investigations, well siting studies, well design and construction management, evaluation and rehabilitation of water wells, and water supply studies. He has been involved with the design, installation, rehabilitation, and abandonment of about 1,000 water wells in the southwestern U.S. Mr. Glotfelty has given over 100 presentations on hydrogeologic and water well topics, and he has authored over 30 publications, including The Art of Water Wells (National Ground Water Association [NGWA] Press, 2019), Glossary of Driller’s Terms (NGWA Press, 2004), and editorial review of a chapter in the 3rd

ed. Groundwater & Wells published by Johnson Screens Co. (2007).

Mr. Glotfelty has been involved with hundreds of projects involving the design and construction management of water supply well installations for municipalities, private water companies, mining facilities, power plants, or other industrial facilities. Examples include:

• Program Manager for the well installation work on a large-scale well installation program for the City of Phoenix, Arizona, including providing oversight and review of the well designs, drilling, permitting, development, testing, and…