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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

Physical and 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. Bulk Density Soil bulk density is the ratio of the mass of dry solids to the bulk volume of the soil. The determination usually consists of drying and weighing a known volume of a soil sample. The core method is one method for determining bulk density that can be used with either re-packed or natural cores. EPA Method 310.1 Standard Methods, Method 2320B Methods of Soil Analysis. Part 1. Physical and Mineralogical Properties. 2nd Edition Flashpoint Flashpoint is determined by heating a sample at a slow, constant rate in a closed vessel and introducing a small flame. The flashpoint is the lowest temperature at which the test flame ignites the vapor above the sample. EPA Method 1010A. Grain Size Grain Size is determined by drying and separating a sample with nested sieves of increasingly smaller mesh sizes by shaking on a mechanical shaker. The percentage of pre-weighed soil sample that passes through each sieve is calculated. ASTM C136-84A, ASTM D451-85 - Standard Test Method for Particle Size Analysis of Soils. Specific Gravity Specific Gravity is the ratio of the masses of equal volumes of sludge or soil and distilled water. Specific gravity is determined by comparing the mass of a known volume of sample to the mass of an equal volume of distilled water at 4 degrees C. SM 2710F- 2011 Elutriate Test Preparation The elutriate test procedure is used to predict both dissolved and particle-associated concentration contaminants in confined disposal area effluents. This method simulates contaminant release under confined disposal conditions by combining localized sediment and water, mixing (slurrying), aerating the slurry, settling the slurry and finally decanting the supernatant water into appropriate containers for chemical testing. USACE Modified Elutriate Test D-86-4 Illinois EPA Material Analysis for Dredge and Fill Activities (Section 401) Free Liquids A representative amount of waste is placed in a 60 mesh paint filter. If any portion of the material (liquid or otherwise) passes through and drops from the filter within 5 minutes, the material is reported as containing free liquids. EPA Method 9095B. Puck Milling & Multiincremental Sampling Soils and dried and placed in a sieve until debris is removed. The sieved sample is then placed in a puck mill until a fine powder has been achieved. Multiincremental Sampling may occur prior to or after grinding depending on client requests. This procedure was developed in conjunction with the USACE and EPA Method 8330B. Total Organic Carbon (as % organic matter) The organic carbon that is converted into carbon dioxide after oxidation. SM 5310B EPA Method 415.1 EPA Method 9060A Back to Testing Services

Landfills CT Laboratories LLC has over 30 years of experience providing analytical support for landfills in Wisconsin and nationwide, including groundwater monitoring, leachate and compost/biopile testing. Specialty services include low level VOC analyses (Vinyl Chloride down to 0.02 ppb) and custom trend and exceedance reports. WE DO TCLP, SPLP, and ASTM LEACHATES! We serve all types of landfills Major Commercial Solid / Hazardous Waste Landfills Multiple National / Regional Companies Commercial Landfill Recycling / Recovery Companies Construction & Demolition Landfills Municipal Landfills City of Adams Landfill Boscobel Landfill Monroe County Landfill Dane County Landfill Sauk County Landfill West Allis Landfill Columbia County Landfill Juneau County Landfill Federal Oxford Federal Landfill Active Military Installations Ft. McCoy Former DoD Facility Landfills Badger AAP Landfill Pueblo Depot Landfill / Roll-Offs Lockbourne AFB Landfill Anniston AAD C&D Landfill Fort Custer Dump Site 500 Landfill sites in Wisconsin currently require active monitoring. Let us help you meet your regulatory needs!

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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