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![Page 1: Toxics Use Reduction Institute RI Workshop: Tools for TCE Substitution Hands-On Training from the TURI Lab Jason Marshall – Laboratory Director Heidi Wilcox.](https://reader035.fdocuments.us/reader035/viewer/2022062307/551b221b5503462e578b6397/html5/thumbnails/1.jpg)
Toxics Use Reduction Institute
RI Workshop:Tools for TCE Substitution
Hands-On Training from the TURI LabJason Marshall – Laboratory Director
Heidi Wilcox – Research Associate
March 14, 2008CCRI-Warwick Knight CampusWarwick, RIFunding from EPA Region 1
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Workshop Agenda
• 8:30 - 9:00 Registration and Refreshments
• 9:00 - 9:05 Introduction & Overview • 9:05 - 9:15 Choosing an Alternative• 9:15 - 9:25 Past TCE Work• 9:25 - 9:35 Success Stories from RI• 9:35 - 10:15 Other Resources Available • 10:15 - 10:20 Break• 10:20 - 12:25 Hands-on Cleaning• 12:25 - 12:30 Next Steps
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Introduction & Overview
• TURI
• EPA Region 1
• NBC
• RI DEM
• RI DOH
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TURI-Lab
• www.turi.org/laboratory– Information on cleaning basics– Past projects– Capabilities of lab– Future workshops - projects– Database link
• www.cleanersolutions.org
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Choosing an Alternative
• Don’t shift the risk– From worker to environment
OR
– From environment to worker• Ex. Replacing flammable solvent with a ozone
depleting chemical
• Want to select a product that is safer for one or the other– Would be best if safer for both
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What are Indicators at TURI’s Lab?
• The lab uses five criteria for screening products– Volatile Organic Compounds (VOCs)– Global Warming Potential (GWPs)– Ozone Depletion Potential (ODPs)– Hazardous Material Information System/
National Fire Protection Association (HMIS/NFPA)
– pH
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Why These Five Indicators?
• Worker Health & Safety– VOC, HMIS, pH
• Environmental Safety– VOC, GWP, ODP, pH
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Guidelines
VOC content (g/l)
0-24 Good
25-49 Good
50-74 Okay
75-99 Okay
100-149 Okay
150-199 Fair
200-299 Fair
300 Poor
>350 Poor
GWP Values
GWP = 0 Good
GWP = 1 (CO2) Okay
All others = Poor
ODP Values
ODP = 0 Good
All others = Poor
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GuidelinespH
0-1.0 Poor
1.1-2.4 Poor
2.5-2.9 Fair
3.0-4.0 Okay
4.1-5.9 Okay
6.0-6.4 Good
6.5-7.5 Good
7.6-8.9 Good
9.0-9.9 Okay
10-11.4 Okay
11.5-11.9 Fair
12-12.4 Poor
12.5-12.9 Poor
13-14 Poor
HMIS/NFPA Point AssessmentH-0 F-0 R-0 Good
H-0 F-0 R-1, H-0 F-1 R-0 Good
H-1 F-1 R-0, H-2 F-0 R-0 Good
H-1 F-1 R-1, H-2 F-1 R-0 Okay
H-3 F-0 R-0 Poor
H-2 F-2 R-0, H-1 F-2 R-1 Okay
H-1 F-3 R-0 Poor
H-2 F-2 R-1 Fair
H-1 F-3 R-1, H-2 F-3 R-0 Poor
H-2 F-2 R-2 Fair
H-3 F-3 R-0 Poor
H-3 F-3 R-1, H-3 F-3 R-2 Poor
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Example Screening Values
• Solvent
• Alkaline Aqueous
Product Name Indicator Value Comments
Perchloroethylene VOC 1620g/l Poor
GWP 0 Good
ODP 0 Good
HMIS H 2
HMIS F 0 Okay
HMIS R 0
pH NA Good
Product Name Indicator Value Comments
Brulin Formula 815 GD
VOC 1.1 g/l Good
GWP 0 Good
ODP 0 Good
HMIS H 1
HMIS F 0 Good
HMIS R 0
pH 11.6 Okay
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Find a Safer, Effective Alternative
• CleanerSolutions Database – Used to identify safer and effective products
• Safety Scores– VOC, ODP, GWP, HMIS/NFPA, pH
• Matching Performance– Contaminant, substrate, equipment, current solvent
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CleanerSolutions
• How it works - http://www.cleanersolutions.org
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Search
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Results
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Past TCE Work
• TURA Work in MA
• EPA Grant in MA
• EPA Funding in RI
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TURA Work in MA
• SSL Testing (1993-2003)– Worked with 21 companies trying to replace
TCE in cleaning applications– A wide range of industries were represented
• Aircraft• Electronics• General Mfr• Metal working• Optical• Plating
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Contaminants Removed
• Conducted over 100 experiments• 11 Contaminant types
– Abrasives– Buffing Compounds– Coatings– Fluxes– Grease
– Inks– Paints– Cutting Fluids– Lubricants– Oils– Waxes
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Previous Testing for TCE Replacement
• Abrasive – 1 Company in semi-conductor industry
• Ceramics parts for a company that manufactures parts for the
• Buffing compound – 2 Companies
• Metal working shop• Light manufacturer
– Brass and silver parts• Coatings
– 1 Company - tool manufacturing– Steel surfaces– Immersion
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Previous Testing for TCE Replacement (cont.)
• Flux– 1 company manufactured brass bellows – Flux removal
• Grease
– 2 Companies• Musical instrument manufacture
• Tool maker
– Brass, ceramics & steel parts– Immersion and/or ultrasonic energy
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Previous Testing for TCE Replacement (cont.)
• Paint/Ink– 2 companies
• Ceramic capacitor/electronics manufacturer• Tool maker
– Plastic bottles and steel pieces– Immersion
• Oil – 8 companies– Steel, carbon steel, stainless steel, aluminum, brass and ceramics – Immersion, ultrasonic and mechanical agitation
• Wax– 4 companies
• Electronics• Metal working
– Aluminum, brass, ceramics, copper, glass and steel surfaces– Manual wiping, immersion and /or ultrasonic energy
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Summary of Alternatives Testing to TCE
• 21 Vendors
• 44 Products
• 11 Product Types
Class # of Products
Alkaline Aqueous 23
Caustic 1
Ester 3
HCFC 1
Neutral Aqueous 2
Organic 1
Petroleum Distillate 3
Semi-Aqueous 2
Terpene 5
Terpene-Organic 1
Terpene-Semi-Aqueous 2
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EPA Grant to Replace TCE & Chlorinated Solvents
• Two year grant - 2003-2005– Conducted with MA Office of Technical Assistance– Help small companies move away from TCE &
chlorinated solvents in vapor degreasing• Work focused on drop-in substitutes
– Due to capital investment of large closed looped systems
– Gathered EH&S data for• TCE and other chlorinated solvents• The chemical classes of the substitutes for comparisons
– Article in Process Cleaning Magazine on Drop In Alternatives
• Sept/Oct issue• http://www.processcleaning.com/
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SSL Testing (2003-2005)
• 8 companies trying to replace TCE/ Chlorinated Solvents in cleaning applications– Six joint site visits by OTA and TURI– Two site visits by TURI
• A wide range of industries are represented by these companies– Aircraft– Electronics-Ceramic– Jewelry– Metal working job shops– Tool – Capacitors– Wire & Cable
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Contaminants Removed
• Conducted over 70 experiments• 8 Contaminant types
– Buffing– Coating– Grease– Ink/Paint– Mold Release/Silicone– Oil– Resin/Rosin– Waxes
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Testing for TCE/Chlorinated Solvent Replacement
• Buffing compound – Removal had been conducted for brass parts for ornament
industry• Coating
– Cleaning trials conducted for a metal job shop and a tool manufacturer
• Grease– Testing performed for the electronic/ceramics manufacturer
• Ink/Paint– Trials run for the electronic/ceramics manufacturer and the
tool mfr
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Testing for TCE/Chlorinated Solvent Replacement
• Mold Release/Silicone– Worked with a wire and cable manufacturer
• Oil– Testing conducted for a jewelry manufacturer, a capacitor
company, aircraft component manufacturer and the tool manufacturer
• Resin/Rosin– Worked with a wire & cable manufacturer
• Waxes– Testing performed for the electronic/ceramics manufacturer
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EPA Funding in RI 2006-8
• Workshop Fall 2006– Worked with 13 companies– On-site testing for 6
• Second Grant 2007-8– Worked with 4 so far– Plus all of you…
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Success Stories from RI
• Types of Parts Cleaned
• IRA Green
• Three A’s
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Alternative Tested
Parts CleanedPart
descriptionContaminant
removedProcess
US Polychem Corporation Polyspray Jet 790 XS
Brass bracketBuffing compound
Ultrasonic
US Polychem Corporation Polyspray Jet 790 XS
Brass rifle pinBuffing compound
Ultrasonic
US Polychem Corporation Polyspray Jet 790 XS
Thin brass buckle
Buffing compound
Ultrasonic
RI Parts Cleaned
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RI Parts Cleaned
US Polychem Corporation Polyspray Jet 790 XS
Brass dog tags
Buffing compound
Ultrasonic
US Polychem Corporation Polyspray Jet 790 XS
Carbon Steel dog tags
Buffing compound
Ultrasonic
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US Polychem Corporation Polyspray Jet 790 XS Brass belt
buckleBuffing compound
Ultrasonic
Alconox Inc Detergent 8
Hubbard Hall Inc Ultrasoak 127
Brass Army pins
Buffing compound
Low Pressure Spray; Ultrasonic
Alconox Inc Detergent 8
US Polychem Corporation Polyspray Jet 790 XS
Hubbard Hall Inc Ultrasoak 127
Brass Army pins
Buffing compound
Low Pressure Spray; Ultrasonic
Alconox Inc Detergent 8
US Polychem Corporation Polyspray Jet 790 XS
RI Parts Cleaned
![Page 32: Toxics Use Reduction Institute RI Workshop: Tools for TCE Substitution Hands-On Training from the TURI Lab Jason Marshall – Laboratory Director Heidi Wilcox.](https://reader035.fdocuments.us/reader035/viewer/2022062307/551b221b5503462e578b6397/html5/thumbnails/32.jpg)
RI Parts Cleaned
Hubbard Hall Inc Ultrasoak 127
Brass Army pins
Buffing compound
Low Pressure Spray; Ultrasonic
Alconox Inc Detergent 8
US Polychem Corporation Polyspray Jet 790 XS
Hubbard Hall Inc Ultrasoak 127
Brass U.S. Army pins
Buffing compound
Low Pressure Spray; Ultrasonic
Alconox Inc Detergent 8
US Polychem Corporation Polyspray Jet 790 XS
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RI Parts Cleaned
Micro Care Heavy Duty Degreser C
Brass Parts
Buffing compound
Vapor Degreasing
Kyzen Corporation Metalnox M6960
DuPont Vertrel XP 10
Petroferm Inc Lenium CP
Warren Chemical Company Sea Wash Blue
Steel Parts
Oil Ultrasonics
US Polychem Corporation Polyspray Jet 790 XS
Nickel, Chrome
Buffing compound
Ultrasonics
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RI Parts Cleaned
Bio Chem Systems Bio T Max
Stainless steel parts
Buffing Compound
Ultrasonics
Bio Chem SystemsSolsafe 245
Dynamold Solvents Inc DS 104
Kyzen CorporationOptisolv OP 7168
Solvent Kleene Inc D Greeze 500 LO
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Ira Green - Background
• 270 employees - Products consist of metal pieces for the DoD – Military unaware of TCE use in metal finishing
operations
• Used 12,500 pounds of TCE in 2004• When EPA contacted Ira Green, the company
was very close to exceeding permit limitations• Already had enforcement action against them
by the RI DEM 2003 and 2004
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Ira Green – Finding an Alternative
• EPA collected parts for TURI to test
• Set up a test tank in Ira Green’s facility– Determined that alternative solution works
as well as TCE– TURI provided free gallon of alternative
solution
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Ira Green Summary
• One product line completely converted to aqueous cleaning
• Installed additional soap cleaning tanks in plating area• Have done enough hands on shop floor testing to
know they can effectively clean 95-100% of all products
• Now working through the logistics, material handling, and queue/work in process issues to make a total conversion
• Critical to process – Clean as soon as possible after polishing– Very concerned about drying, watermarks or staining
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Three A’s - Background
• Small, family-owned job shop – 4 employees
• Owner wanted to stop using TCE because of associated health risks
• Used approximately 55
gallons (~690 pounds)/ year at a cost of about $1000
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Three A’s – Finding an Alternative
• EPA collected parts for TURI to test• Needed to find an alternative process that
would maintain an antique finish on metal parts
• An alternative was found that will allow Three A’s to retrofit current degreaser with an immersible transducer, saving money on equipment costs
• Switched to a Steam Cleaner– Eliminating TCE from their plant
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Contact Three A’s
• Alfred Mekuto III– 930 Plainfield St, Johnston, RI 02919– 401-944-8600
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Overall TCE Reduction
• All Companies from 1993-2008– 46 companies– Used 297,300 lbs– Reduced 195,200 lbs– 66%
• RI 2006-7– Used 24,500 lbs– Estimated reduction
12,500 lbs– 51% reduction
• RI 2007-8– Used 16,500 lbs– Estimated reduction
11,100 lbs– 67% reduction
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Other Resources Available
• RI DEM
• NBC
• RI DoH
• EPA– How-to-Guide– nPB information
• DoD
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Break
• Grab some coffee while we get set up for the fun stuff…
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Hands-on Cleaning
• Product Selection Based On– Contaminant removal– Substrate compatibility– Equipment compatibility
• Use CleanerSolutions.org or Vendor Literature
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Successful Products Previously Tested
• Buffing Compound– Magnaflux Daraclean 283– US Polychemical Polyspray
Jet 790 XS– Oakite Inproclean 3800– Buckeye XL 100– Matchless Metal Polish Co.
MC 132– Matchless Metal Polish Co.
Buffclean 14L, 125L and 175– Alconox Detergent 8– Magnaflux Daraclean Kx 43
• Oils– Magnaflux Daraclean 283– US Polychemical Polyspray Jet
790 XS– Oakite Inproclean 3800– Brulin Aquavantage 1400– International Products Surface
Cleanse 930– Warren Chemical Sea Wash
Blue
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Testing Process
• Establish Baseline– Measure how effective your current process is– Compare the alternatives
• Test the Alternatives– Dilutions to use– Hot or cold– Equipment– Time– Rinsing– Drying
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Four Phases of Process
• Phase 1 Testing Chemistry Only– No mechanical energy
• Phase 2 Add Mechanical Energy– Use best cleaners
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Four Phases of Process
• Phase 3 Piloting – Lab Setting– Clean supplied parts
using best products
• Phase 4 Piloting On-site– Set up cleaning process
at your facility and compare directly with current process
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Next Steps
• Sign up for lab testing– Arrange for soils and part pickup
• Sign up for on-site testing– Schedule a visit with TURI