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Reporting & EDDs CT Laboratories LLC takes special care to understand the unique needs of our clients to design custom solutions that exceed expectations. Electronic Data Deliverables (EDDs) CT Laboratories is a strong proponent of electronic data deliverables (EDDs) to reduce the time required to provide our clients with their data, while providing great flexibility in how the data are used. We are also capable of electronically providing laboratory data to third parties, such as regulatory agencies, at the client’s request. Because we have the capability to send clients data and reports electronically, we have become virtually paperless in this area at CT Laboratories. Standard Formats We routinely provide EDDs in a variety of common industry formats, as well as client-specific variations, including: Fixed-length or comma delimited ASCII text Microsoft Excel Worksheet ERPMIS EQUIS SEDD FUDSChem ADR GIS Key Adobe Portable Document Format (PDF) Individual State Program formats Level I? Level IV? Find out what the differences are here . Data Transmission CT Laboratories has several approaches currently in place to transmit electronic data to our clients. These methods include: Transmission of data via Internet email Shipment of files via virus-checked CDs Download via access to our secure FTP website. CT Laboratories has a highly capable information systems (IS) staff that is available to answer questions and assist clients with technical issues. We are keenly aware of the need to protect each client’s data from unauthorized access. CT Laboratories has a number of mechanisms in place to limit both internal and external data access to those parties that are authorized by the client or play a vital role in preparing, processing, or transmitting the data. CT Laboratories also has the ability to encrypt each EDD set using a number of protective schemes, including each application’s native password protection or commercial products, such as WinZip. For more information about our EDD service, contact Information Systems Manager, by telephone at 608.356.2760 Electronic Validation Packages CT Laboratories provides a wide variety of data report formats, including Level IV data validation packages, which contain all QC and raw data necessary for independent review and reconstruction of the analytical results. Our electronic version of the Level IV validation package has been enthusiastically received by our clients, reducing or eliminating the need for shipping and storing multi-ream paper reports. Our electronic package is an original – generated directly from our LIMS, not merely a scanned copy (with the exception of chain of custody and laboratory notebooks). Contact Like what you see? Get in touch to learn more. First Name Last Name Email Message Send Thanks for submitting!

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

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

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

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

Acerca de Markets Served We support global environmental needs. 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 links below to learn more about each service. EPA/Brownfields Industrial & Manufacturing Department of Defense Landfills Drinking & Waste Water Surface Water & Sediment Let’s Work Together Get in touch so we can start working together. First Name Last Name Email Thanks for submitting! Message Send

Private Well Water Testing CT Laboratories does not have specific testing bundles because we believe each home owner/client has different needs. We build test kits and adjust pricing accordingly . Our Project Manager, Jodi Serstad , has over 20 years of experience at CT Laboratories determining individual testing needs. Her expertise extends beyond State Drinking Water requirements, and she works with local municipalities, businesses, and individuals on a daily basis. Whether you're an individual home owner, a plumber, or contractor, she can guide you to determine what testing would suit your needs the best. Find her contact information here . Identify your water's symptoms: Go to DNR

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

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

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. These analyses support various environmental regulatory programs, including: Resource Conservation and Recovery Act (RCRA) Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) Superfund Clean Water Act (CWA) National Pollution Discharge Elimination System (NPDES) Safe Drinking Water Act (SDWA) Federal Program Support: Army Corps, National Guard, Coast Guard, Navy, Air Force Various State Regulatory Programs: Underground Storage Tank (UST), Landfill Monitoring, etc. Total, Fine and Coarse Lead by MDEQ SOP 213 This procedure is typically performed for EPA projects in order to characterize the lead fractionation of the soil (i.e., the fine & coarse fractions). The Michigan Lead procedure involves sieving an air-dried soil sample into the coarse fraction (particle size > 250-µm) and the fine fraction (particle size < 250-µm). The % coarse and % fine values are determined via calculation. The coarse and fine fractions are then analyzed for lead via EPA 6010C. Finally, the total lead concentration is calculated via a weighted average of the coarse lead fraction and the fine lead fraction. Tissue Analysis: Pesticides, PCBs, Metals, Percent Lipids These internal methods are not certified by our accreditation agencies. These internal methods have been developed to fulfill client-specific needs and projects. Thiodiglycol and other Chemical Warfare Agent degradation products This method is designed to follow procedures developed in-house and to meet the requirements of EPA SW-846 method 8000 for ground water, surface water, and waste water. A UPLC is employed in conjunction with a UV detector. Flame Retardants: PBB, HBB This method is designed to follow procedures and QC requirements found in EPA SW-846 method 8081B in order to determine quantities of HBB and PBB compounds found in a variety of sample matrices. HBB - Hexabromobenzene PBB - Firemaster BP-6 2,4- and 4,4- DDD, DDE, and DDT Breakdown products of DDT can be quantified using the 8081B methodology for pesticides. 1,4-Dioxane by 8270-SIM A Solid Phase Extraction methodology was developed for liquid samples using 8270D/E guidelines. The internal soil extraction method references 8000D. Invitro Bioaccessibility (IVBA) of Lead Internal method PR009 developed at request of EPA using SW846 1340 as a reference. Contact us for more information. Back to Testing Services

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 .