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Metals Analysis CT Laboratories has extensive experience in metal analyses. We maintain ICP, Cold Vapor and Furnace AA capabilities. This means we can offer you low detection limits to meet the needs of your project. Metals by GFAA Methods: EPA 200.9 EPA 7010 Analytes: Antimony Arsenic Lead Selenium Thallium Matrices: Drinking Water, Water, Solid, Wipes Hardness Methods: EPA 6010C SM 2340B Matrices: Water Mercury Methods: EPA 245.1 EPA 7470A EPA 7471B Matrices: Water, Drinking Water, Solid Hexavalent Chromium Methods: EPA 7196A Matrices: Water Metals by ICP Methods: EPA 200.7 EPA 6010C EPA 6010D Analytes: Aluminum Antimony Arsenic Barium Beryllium Boron Cadmium Calcium Chromium Cobalt Copper Iron Lead Magnesium Molybdenum Nickel Potassium Selenium Silver Sodium Strontium Sulfur Thallium Tin Vanadium Zinc Matrices: Water, Solid, Sludge, Wipes Back to Testing Services

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

We Value Your Feedback CT Laboratories is an organization committed to continuous improvement. Please feel free to fill out the Customer Satisfaction Survey to let us know how we are doing. Customer Satisfaction Survey Rate us on Google

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 (2022) New Year's Day (2022): Saturday, January 1st (observed Friday, December 31st) Closed Martin Luther King Jr Day: Monday, January 17th Open President's Day: Monday, February 21st Open Memorial Day: Monday, May 30th Closed Juneteenth: Sunday, June 19th (Observed Monday, June 20th) Open Independence Day: Monday, July 4th Closed Labor Day: Monday, September 5th Closed Indigenous People's Day (also observed as Columbus Day): Monday, October 10th Open Veteran's Day: Friday, November 11th Open Thanksgiving: Thursday, November 24th Closed Thursday & Friday Christmas Day: Sunday, December 25th (Observed Monday, December 26th) Closed New Year's Day (2023): Sunday, January 1st (Observed Monday, January 2nd) Closed

We test for Bacteria (E. coli and Fecal Coliform) in drinking water and other matrices. 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. Please see our sample receiving hours Chlorophyll A Internal Procedure adapted from SM 10200 H - 2011 E. coli SM 9221 Fecal Coliform & Total Coliform SM 9222D SM 9223 Heterotrophic Plate Count SM 9215D Back to Testing Services

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

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

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 .

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

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.

Organics Two dedicated teams UPLC - GC - GC/MS capabilities Decades of analyst experience Total Petroleum Hydrocarbons (TPH) Methods 8015C Modified 8015C State Specific Matrices Liquid, Solid Wisconsin Gasoline Range Organics (GRO) Methods WI GRO Matrices Liquid, Solid VOCs - including Acrolein & Acrylonitrile** Methods 8260C,D Matrices Liquid BTEX, MTBE, PVOC, Napthalene Methods EPA 8260C,D Wisconsin DNR GRO Matrices Liquid, Solid 1,4-Dioxane Methods 8270D,E - SIM Matrices Liquid, Solid TCLP Herbicides (2,4-D and 2,4,5-TP) Methods 8151A Matrices Liquid, Solid Nitroguanidine Methods Lab SOP SV030 Matrices Liquid, Solid Acrylamide Methods 8316 - by UPLC Matrices Liquid Diesel Range Organics (DRO), Oil Range Organics (ORO), and Residual Range Organics (RRO) Methods 8015C Matrices Liquid, Solid VOCs - Standard or Project-Specific List** Methods 8260C,D Matrices Liquid, Solid VOCs - Low Level Analysis** Methods 8260C,D Matrices Liquid, Solid SVOCs - Standard or Project-specific List** Methods 8270D,E 8270D,E - SIM Matrices Liquid, Solid, Waste PCBs Methods 8082A Matrices Liquid, Solid, Oil, Wipes Explosives Methods 8330B Matrices Liquid, Solid Dissolved Gases (Methane, Ethane, Ethene) Methods RSK-175 Matrices Liquid Wisconsin Diesel Range Organics (DRO) Methods WI DRO Matrices Liquid, Solid VOCs - including 2-Chloroethyl vinyl ether** Methods 8260C,D Matrices Liquid VOCs - SDWA List** Methods EPA 524.2 Matrices Drinking Water Polyaromatic Hydrocarbons (PAHs) Methods 8270D,E 8270D,E - SIM Matrices Liquid, Solid, Waste Chlorinated Pesticides Methods 8081B Matrices Liquid, Solid Nitrocellulose Methods EPA 9056M Matrices Liquid, Solid Dissolved Gases (Carbon Dioxide) Methods Modified RSK-175 Matrices Liquid Back to all Testing Services ** Choosing the appropriate test 1. Total Petroleum Hydrocarbons (TPH) can refer to numerous test methods and the analysis of many different Petroleum Hydrocarbons and/or boiling point ranges. If you are unsure which TPH range and/or test you need performed, please contact a CT Laboratories Project Manager. 2. Volatile Organic Compounds (VOCs) - There are numerous methods, lists, and sampling options associated with VOCs. The required sampling container and hold times will be dependent on the method specified, State in which the sample is collected and/or the regulatory program being followed. If you are unsure which container should be used, please contact a CT Laboratories Project Manager.

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