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Project Number 1

Summary:

Part of a joint venture between EPA, TURI and RI DEM to reduce the use of TCE in the Providence, RI area, one trial has been conducted on this client’s supplied parts. The main focus for this client was to evaluate alternatives for buffing compound removal. Six trials were conducted on various aqueous and semi-aqueous products. The company was decided to look at drop in replacements for their current vapor degreasing process.

Test Objective:

TCE alternative for cleaning of high school and college rings

Product Use:

Class rings

Trial Number	Date Run	Purpose	Success Rating
0	01/29/2007	To evaluate selected products for buffing compound removal.	Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
1	02/01/2007	To evaluate three products using ultrasonic cleaning to remove buffing compound	A follow up test, usually based on company input.
2	02/02/2007	To evaluate selected products on supplied parts using ultrasonic cleaning	Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
3	03/08/2007	To evaluate semi-aqueous products in an attempt to increase cleaning times.	Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
4	03/09/2007	To evaluate successful semi-aqueous products using ultrasonic cleaning.	A follow up test, usually based on company input.
5	03/09/2007	To evaluate five products on supplied parts using ultrasonic cleaning	Results suggest a scale-up feasible match for cleaning chemistry and equipment. Pilot plant study with actual parts recommended.
6	03/09/2007	To evaluate selected products on second type of supplied parts using ultrasonic cleaning	Results suggest a scale-up feasible match for cleaning chemistry and equipment. Pilot plant study with actual parts recommended.

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Client #276