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A Woman Owned Small Business A Women-Owned Small Business (WOSB) is a small business concern that is at least 51 percent directly and unconditionally owned and controlled by one or more women who are citizens (born or naturalized) of the United States. About the Owner: Ms. Berwanger has over 30 years of experience in the environmental laboratory industry, in a variety of financial, technical, regulatory, marketing, project management, sales and managerial positions. Her expertise includes a thorough knowledge of Federal contracting requirements and business management aspects of the laboratory. She has extensive experience in laboratory operations, project management, training, client service, and sales and marketing. Ms. Berwanger has a proven track record of targeting and capturing significant contract opportunities and developing long-standing, mutually beneficial teaming partnerships and client relationships. Not just a figurehead: We are proud that over half of CT Laboratories staff and analysts are women. Our Certifications Woman-Owned Business Enterprise WBE Cert Woman-Owned Small Business WOSB Cert We are part of the Women-Owned Small Business Federal Contracting Program... Get in Touch 608-356-2760 information@ctlaboratories.com

Field Resources Download necessary forms here! **ALL SAMPLES MUST HAVE A COC ATTACHED*** 1 Laboratory Field Guide 2021 This is a resource that outlines all of our tests, shipping requirements, how to fill out the COC, and specific sampling/bottling requirements for each test and matrix. DOWNLOAD PDF 2 Waste Water Chain of Custody Use this form for BOD, TSS, pH, Fecal Coliform, Chloride, Nitrate + Nitrite, Phosphorous, Ammonia Nitrogen, TKN, and Lab Filtration Tests. DOWNLOAD PDF 3 UST Chain of Custody Use this form for DRO, GRO, GRO/PVOC, Lead, Cadmium, VOC 8260, PAH, and % Solids. DOWNLOAD PDF 4 Blank Chain of Custody Use this form for any other testing not mentioned above. DOWNLOAD PDF 5 Terms & Conditions The Terms and Conditions can also be found on the back of all COC forms. DOWNLOAD PDF Let's Work Together Questions? Contact a Project Manager at 608-356-2760 or via email at information@ctlaboratories.com .

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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