In Search of the Silver Bullet: Assessment of Alternatives for Trichloroethylene in Cleaning Operations

Jason P Marshall and Heidi Wilcox
University of Massachusetts Lowell, UMass Lowell, Lowell, MA, USA

Series: Green Research, Developments, and Programs
BISAC: SCI007000

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$130.00

Volume 10

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Special issue: Resilience in breaking the cycle of children’s environmental health disparities
Edited by I Leslie Rubin, Robert J Geller, Abby Mutic, Benjamin A Gitterman, Nathan Mutic, Wayne Garfinkel, Claire D Coles, Kurt Martinuzzi, and Joav Merrick

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Trichloroethylene (TCE) has historically been used for various cleaning and degreasing applications. Because of the human and environmental health effects associated with exposure to TCE, it has been the target of many state’s pollution prevention (P2) programs over the past decades. Many P2 assistance providers consider this field to be “conquered” and have moved on to other niches to focus their efforts on the next battle. In many cases, particularly among larger companies, TCE has been better controlled through substitution and other engineering controls and has been regulated fairly well. However, control systems are not fool proof and accidents happen.

A more protective approach would eliminate the exposure to the hazardous materials through substitution of safer materials. Unfortunately, there is no silver bullet product for replacing TCE and therefore it has not been eliminated. Alarmingly, there are many small users of TCE that continue the same cleaning and degreasing practices they have used for decades, and have not reduced their use of TCE at all. From the testing performed at the Massachusetts Toxics Use Reduction Institute’s (TURI) Cleaning Laboratory, a wealth of data has been accumulated on the performances of industrial cleaning products. In order to use this information effectively, a database system was created so that access to this resource can be performed easily and quickly. This database seeks to allow users to search for an alternative-cleaning product based on safety and effectiveness.

However, the process does not and should not end there. Process-specific testing is the cornerstone to identifying effective alternatives. It links the theory of lab testing with the reality of field work. Therefore, success is achieved through lab testing, piloting and on-site evaluations. Case studies will demonstrate how the process has been effectively used at the TURI Cleaning Lab. Future solvents may hold the keys to identifying the TCE silver bullet, but they should be carefully evaluated for health and safety as well as performance. Until then, the use of substitution process established at the TURI Lab will continue to be the silver lining on how to move forward with TCE replacement.
(Imprint: Nova)

List of Tables and Figures

Preface

1 In Search of the Silver Bullet: Alternatives Assessment for Trichloroethylene in Cleaning Operations

2 Background on Cleaning

3 Why TCE

4 Why Not TCE

5 If Not TCE Then What

6 If No Silver Bullet Then How

7 If No Silver Bullet How to Test

8 If No Silver Bullet What to Test

9 If No Silver Bullet Other Lists of Alternatives

10 If No Silver Bullet Who else to turn to

11 Obstacles, Barriers and Issues, Oh My!

12 Case Studies Outlining the Steps Taken to Replace TCE

13 Future/Emerging Solvents/Next Steps

14 Summary - Ending the Search for the Silver Bullet

Index

Audience: Process engineers, pollution prevention consultants, government departments (environmental protection, occupational safety), university researchers, industry sustainability professionals, environmental health consultants

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