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Department of Defense Services CT Laboratories is a WOSB providing analytical support to hundreds of DoD projects nationwide. The laboratory is DoD ELAP accredited in compliance with the DoD Quality Systems Manual (QSM). We hold current analytical services contracts with USACE Louisville, Omaha and Baltimore Districts and perform numerous methods in support of DoD projects, such as 8330B explosives, nitroguanidine and nitrocellulose and chemical warfare degradation products. Testing Services United States DoD Branches Served Coast Guard Projects 12-State Due Diligence Lead Survey Ft. Myers, FL Lake Michigan Facilities – MI Lake Michigan Facilities – WI CGC Yorktown, VA CGC Ouachita, TN District 9 Dredging Projects USACE/ACM Projects Aberdeen Proving Ground, MD Redstone Arsenal, AL Pueblo Chemical Depot, CO Chicago District - Sediment/Elutriate Badger AAP, WI Ft. Leonard Wood, MO Savanna Army Depot, IL Baltimore District - Ft. Belvoir Support Kansas AAP, KS Ft. Meade/Tipton Airfield, MD Ravenna AAP, OH St. Paul District - Mississippi River Sediment Ft. Wingate, NM Iowa AAP, IA Ft. Hamilton, NY Omaha District - Lincoln Atlas Missile Sites Jefferson Proving Ground, IN Ft. Polk, LA Camp Reynolds, PA KC District – MO, KS, IA Water Quality Kinchloe AFB, MI Anniston AAP, AL Picatinny Arsenal, NJ Louisville District – MI FUDs Radford AAP, VA Navy Projects Naval Weapons Station Yorktown, VA Philadelphia Naval Shipyard, PA Reserve Center La Crosse, WI NSWC Indian Head, MD Craney Island Naval Reservation, VA Former NOS Forest Park, IL NAS JRB Willow Grove, PA Former Nansemond Ordnance Depot, VA Thurmont Navy Support Facility, MD NAS JRB New Orleans, LA JEB Little Creek, VA National Guard Projects ANG SE facilities: MS / AL / FL MT / ID ANG facilities General Mitchell, WI Selfridge ANG, MI 178th Fighter Wing, OH 177th Fighter Wing, NJ Twin Cities ANG, MN Volk Field CRTC, WI Alpena ANG, MI Sioux City ANG, IA Hulman Regional ANG, IN Truax Field, WI Air Force/AFCEE Projects Nationwide Soil Survey (42 AFBs) King Salmon, AK Seymour Johnson AFB, NC Tinker AFB, OK Tyndall AFB, FL McGuire AFB, NJ Wright-Patterson AFB, OH McConnell AFB, KS Kunsan AFB, Korea Grand Forks AFB, ND FE Warren AFB, WY England AFB, LA

Our Project Managers. CT Laboratories firmly believes that communication is the key to every successful project. We will assign an experienced chemist as a dedicated Project Manager to handle all your needs. They can provide information for inclusion in your QAPP and can meet with you up front to discuss the project, making sure all questions and scenarios are discussed before the work arrives. Your PM will input your project-specific requirements (special compounds, reporting limits, action levels or report formats) into our LIMS. When the work arrives at the lab, you will be notified that the samples arrived safely and of their condition. Any problems, you will be notified immediately. After your reports have been sent, the project manager will be there to discuss the data with you. Learn more about Reporting and Electronic Data Deliverables here . Dennis Linley Business Development Sales & Marketing BS in Wildlife Biology Time at CT Laboratories: 29 years Areas of Expertise: Sales & Marketing Project Management Client Relationships Sample Receiving & Processing Reporting contact: dlinley@CTLaboratories.com 608.963.4964 Eric Korthals Senior Project Manager BS/MS in Aquatic Biology/Chemistry Time at CT Laboratories: 34 years Areas of Expertise: Project Management in all areas of CT Laboratories involvement. Laboratory Information Management Systems (LIMS) administration and development. Electronic Data Deliverables (EDDs) development and generation. Report development and customization. Inorganic chemistry and microbiology Contact: EKorthals@ctlaboratories.com Jodi Serstad Project Manager Time at CT Laboratories: 23 years Areas of Expertise DNR Waste Water and Drinking Water Compliance. Local Municipalities Testing Needs - Water Treatment Plants Shipping and Receiving Hazardous Waste Disposal Independent Well Water Testing Sample Receiving and Facilities Management Contact: JSerstad@ctlaboratories.com Brett Szymanski Project Manager / Laboratory Director BA in Management & Human Resources Time at CT Laboratories: 17 years Areas of Expertise: Oversight of operations, strategic planning, monitoring QA/QC issues, personnel and workload allocations. Project Management for Department of Defense , EPA/ Brownfields/ Superfunds , and other high-profile projects nationwide. Organics Analysis on GC/MS. Field Sampling Consultant. Contact: BSzymanski@ctlaboratories.com Email information@ctlaboratories.com Call 608-356-2760 Follow

Sample Receiving Hours Standard Samples: Monday - Friday: 8:00 am - 5:00 pm Saturdays: Requires prior notification and approval from Project Management Total and Fecal COLIFORM Samples: Monday - Thursday: 8:00 am - 5:00 pm Friday: 8:00 am - Noon Nitrate and BOD Samples: Monday - Thursday: 8:00 am - 5:00 pm Friday: 8:00 am - 2:00 pm Holidays & Closures (2025) New Year's Day (2025): Wednesday, January 1st Closed Martin Luther King Jr Day: Monday, January 20th Open President's Day: Monday, February 17th Open Memorial Day: Monday, May 26th Closed Juneteenth: Thursday, June 19th Open Independence Day: Friday, July 4th Closed Labor Day: Monday, September 1st Closed Indigenous People's Day (also observed as Columbus Day): Monday, October 13th Open Veteran's Day: Tuesday, November 11th Open Thanksgiving: Thursday, November 27th Closed Thursday & Friday Christmas Day: Thursday, December 25th Closed Thursday & Friday New Year's Day (2026): Thursday, January 1st Closed

About CT Laboratories LLC is a full-service environmental laboratory located in Baraboo, WI with over 25 years of experience providing analytical testing services to a wide range of Federal and commercial projects nationwide. The company is classified as a woman owned small business under NAICS Code 541380, Testing Laboratories. Additionally, over half of our staff and analysts are women. Learn more about CT Laboratories here. ​ Salary and Benefits: Starting salary is commensurate with experience. Holiday pay and Paid Time Off (PTO) Health & Dental Insurance Health Reimbursement Arrangement (HRA) Flexible Spending Account (FSA) Opportunities for over-time pay 401(k) Current Job Postings Wet Chemistry / Microbiology Analyst See full job description here . ​ If no jobs are currently posted, you may still submit an application. We keep all resumes on file for 6 months in the event that a position opens. ​ How to Apply Send the following in an email to information@ctlaboratories.com . The Subject of your email should be in the following format: "Application - Last, First" Resume / CV Cover Letter Reference(s) ​ Note: If you have not heard back from a representative within 7 business days, please contact 608-356-2760 and ask for Brett. We routinely check our spam folders, but do not catch everything. ​ All resumes are kept on file for 6 months after they have been received. ​

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