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 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.

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

Quality Assurance Quality is not a given or an afterthought at CT Laboratories. Our quality assurance program is designed to ensure legally defensible data. From numerous performance evaluation studies, NELAP and other individual State audits, as well as our in-house program, we continually monitor our quality to ensure our clients get the best results possible. Certifications CT Laboratories LLC is DoD ELAP accredited and maintains national accreditation through multiple NELAP certifications. We hold state certifications in several of the country’s most stringent programs. The following organizations have endorsed CT Laboratories’ quality. These endorsements are granted on a facility specific basis through accreditation and/or certification and have been obtained as required for client projects. Many other state and federal agencies recognize reciprocal certification based on these national and state accreditations. Click on the icons below to view certifications and permits. States with reciprocity/few or no requirements: Alabama Colorado Hawaii Idaho Indiana Michigan Mississippi Missouri Montana Nebraska New Mexico Ohio Rhode Island South Dakota Tennessee Vermont Wyoming Security: Contact our QA Team For more specific information about state program requirements or CT Laboratories' state certifications, contact Rebecca Duranceau (QA Manager) via email or phone. Rebecca Duranceau Mail Phone QA@ctlaboratories.com 608.356.2760

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

EPA, Brownfields, and Superfunds we have supported CT Laboratories has extensive experience providing analytical support for EPA emergency response, Superfund and Brownfields projects nationwide, including those listed below. Click here to go to EPA website EPA Regions Served Region III Washington, D.C. Maryland Virginia (direct contract) Region IV Illinois Indiana Michigan Minnesota Ohio Wisconsin Region VIII Colorado Montana North Dakota South Dakota Utah Wyoming Superfund Sites Velsicol Superfund Site, MI Jacobsville Superfund Site, IN Watertown Tire Fire, WI Washington Navy Yard Superfund Site, DC River Raisin Site, MI West Vermont Groundwater Contamination Site, IN Wisconsin Die Cast, WI Camelot Superfund, ND Eagle Zinc Site, IL Oconomowoc Electroplating, WI Flandreau Pesticides, SD Chapter Two Drum Site, WI ERRS OMC Plant 2 Site, IL Indiana Harbor, IN Metallics, WY Brownfields Madison, WI Redevelopment / Icke Landfill Ashland, WI -- Chicago Iron Site Neenah, WI -- Gateway Redevelopment Site Delavan, WI -- Ann Street Railroad Cooridor Remediation Cheyenne, WY -- Multiple Phase I and II Assessment Sites Janesville, WI -- River Street Revitalization Baraboo, WI -- 8th Street Redevelopment Manitowoc, WI -- Heresite Protection Coatings Marinette, WI -- Phase I and II Assessments Racine, WI -- Walker Manufacturing + 6 Sites

Surface Water & Sediments CT Laboratories LLC has extensive experience analyzing surface water, pore water, sediments and elutriates in support of multiple USACE Districts, US EPA, State and local government agency projects. Our Projects Surface Water Projects Seasonal Lakes Monitoring - USACE Kansas City District Seasonal Lakes Monitoring - USACE Louisville District TMDL Watershed Monitoring Sediment Testing Projects Mississippi and Missouri Rivers - USACE St. Paul District Waukegan Harbor, IL - USACE Chicago District Gruber's Grove Bay Dredging Typical Testing Procedures Elutriate Generation Including Standard Elutriate, Modified Elutriate, Effluent Elutriate, and State Specific Modifications Surface Water Testing Chlorophyll A, Microcystin, Pesticides, Anions, TOC/DOC, Ammonia (TKN), Metlas, TDS/TSS/TVS, BOD/COD, Phytoplankton, PAH, Cyanide, DRO/GRO, Total/ortho-phosphorus Sediment Testing Grain Size, Atterberg Limits, Specific Gravity, Bulk Density, Phosphorus, Cyanide, TOC, Organics, Pesticides, DRO/GRO, PCBs, PAH, Hexavalent Chromium See all Testing Services

Industrial & Manufacturing CT Laboratories LLC has extensive experience working with Industrial and Manufacturing segments. From local to national companies, CT Laboratories works to meet the individual needs of all its clients. Who do we serve? Automotive Industry Foundry Operations Salvage Yards Regional Electric Utilities Food Industry Home Products Manufacturers Mining Operations Chemical Companies Plastic Companies Dredging Operations Printing Inks and Coatings Companies Pipeline & Petroleum Operations Paper Companies Window Companies "Jodi [a Project Manager] answered all my questions (I am not a chemist) and went out of her way to set me on the correct track in completing the quality assurance requirements required by the DNR."

TESTING SERVICES CT Laboratories LLC offers a comprehensive range of environmental testing services. The matrices we test include: surface water, ground water, drinking water, soil, sludge, sediment, elutriate, and other wastes. Contact us today to learn more about our capabilities and pricing. We do a lot, but we can't do it all. To provide the most comprehensive range of analytical services possible, we have established relationships with several large business laboratory networks and specialty laboratories. We work closely with these carefully chosen partners to provide our clients with consistent turnaround, high quality analytical results and compatibility in data deliverables. We maintain a register of each qualified subcontract laboratory, including their current DoD ELAP and NELAP accreditation scopes. We provide test kits for private wells. View more information here . Organic Analyses CT Laboratories has two teams dedicated to the analysis of Volatile and Semi-Volatile Organic Compounds using GC, GC-MS, and HPLC Technologies to meet your low-level needs. View More Metals CT Laboratories has extensive experience in metal analyses. We maintain ICP, Flame and Furnace AA capabilities. This means we can offer you low detection limits to meet the needs of your project. View More General Chemistry At CT Laboratories, our General Chemistry (or wet-chem) department is one of our busiest. We employ experienced chemists that are well versed in the methods that they are responsible for. There are many short hold time analyses in this department. Our staff works around a detailed time management schedule to make sure all results are generated accurately and efficiently. View More Biological Testing CT Laboratories offers a wide range of biological testing services. We also offer specialty services like Microcystin analyses, Heterotrophic plate counts, and Algal species composition. Our chemists are experienced, and can handle large volumes of samples throughout the busy testing seasons of the year. View More Physical & Geotechnical CT Laboratories has been expanding into Geo Technical and Physical testing for the past several years. We have grown from sieve and grain size analyses to complex grinding and homogenization of soil for multi-incremental sampling projects. View More Specialty Testing In addition to our routine analytical capabilities, CT Laboratories LLC offers specialty testing services and can help develop new procedures to suit your needs. View More

Shipping & Receiving Below are commonly used couriers that can ship to CT Laboratories. Take a look at our Field Sampling Guide for directions on packaging your samples so they remain intact and at the correct temperature. UPS Fedex SpeeDee USPS From our 2021 Field Sampling Guide (pages 2-4) Join Our CSA

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CT Laboratories is an Environmental Testing Laboratory in Baraboo, WI. We work with individual homeowners, businesses, and cleanup efforts at the local, state, and federal level. Visit our site for a complete suite of our testing services and to find an experienced Project Manager. Delivering more than data for your environmental analyses. Find a Project Manager TESTING SERVICES We not only perform a wide variety of analyses, we also perform those tests on every matrix imaginable. We perform these tests on everything from clean drinking water samples to leachate, soil samples to wood-blocks, sediments to concrete cores, and from oil to paint chips. CT Laboratories can handle your analytical needs. More Info QUALITY & CERTIFICATIONS Quality is not a given or an afterthought at CT Laboratories. Our quality assurance program is designed to ensure legally defensible data. From numerous performance evaluation studies, NELAP and other individual State audits, as well as our in-house program, we continually monitor our quality to ensure our clients get the best results possible. More Info MARKETS SERVED CT Laboratories supports large scale, high profile DoD and EPA projects, Fortune 500 companies, industrial manufacturers, landfills and nationwide environmental and engineering consulting firms as well as State and municipal government agencies and individuals testing their drinking water. Our project experience covers 47 states and as far away as Korea. Click on the link below to learn more about each service. More Info ABOUT US CT Laboratories LLC is a full service environmental laboratory located in Baraboo, Wisconsin. We have been providing analytical support to a wide range of projects nationwide since 1987. CT Laboratories is classified as a woman owned, small business under NAICS code 541380, testing laboratories. Learn More Clients OUR CLIENTS TESTIMONIALS "We have a long standing working relationship with CT Labs and look forward working with them for long into the future as well!!" Contact

Project Managers are always here to answer questions. Call us at 608-356-2760 or email us at information@ctlaboratories.com. Say Hello We would love to hear from you. Feel free to reach out at any time with questions, comments, or requests. Phone Email 608-356-2760 information@ctlaboratories.com Social Media First Name Last Name Email Message Send Thanks for submitting! Visit Us Are you dropping off samples or need questions answered in person? Call ahead so we can schedule a time to meet with you. Address 1230 Lange Court Baraboo, Wisconsin 53913 608.356.2760 Opening Hours Mon - Fri Saturday Sunday 8:00 am - 5:00 pm Closed Closed Holidays & Sample Receiving Hours