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Understanding Trends in Toxics Use
EXAMPLE #7:
Individual companies change the chemicals used, use less than the reportable quantity of a reportable chemical, or stop using TURA reportable chemicals altogether.

For example, if a company was using two different solvents and found a way to phase out one and reduce their use of the other to less than the reporting threshold, their TURA quantities might look like this:
 
 
1990
1991
1992
1993
1994
1995
1996
1997
Solvent 1
80,000
70,000
50,000
35,000
0
0
0
0
Solvent 2
30,000
25,000
18,000
12,000
11,000
0
0
0
 
In this case, it is reasonable to just add up the numbers and show the trend. The report of the total amounts would look like this:
 
 
1990
1991
1992
1993
1994
1995
1996
1997
Total
110,000
95,000
68,000
47,000
11,000
0
0
0
 
It is important to realize that the zero quantities for the last three years may understate the actual use, because once the quantity is below the reporting threshold, the company is no longer required to report the use.
 


 
 
 
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