Shell vs.The Environment & The Public Trust

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Random Sampling - Easy Three Step Process
This should not be an IQ test for Shell to clean up the Texaco problem.
 
 Step One - How Many Were Converted?
 
SeeitRea.com does not advocate that Shell should have to test all 13,000 of the former Texaco stations Shell purchased. First, it should be determined what number were converted to foodmarts and quick service restaurants from garage bay auto repair facilities. Any way to determine whether the station had a garage sump or by the date the station was built (all stations were auto repair stations prior to some date) would be the first group. Then determine what number converted their garage bays to foodmarts would be the target group of stations to look at.

 

 

 

 

 

 

 

Step Two - Random Sample
The 2nd step is to develop a random sample out of the target group for stastistical sampling and overall risk assessment.
Step Three - Testing and Clean up
 
Depending on the percentage of stations coming up dirty would tell us what the environmental risk is of leaving stations untested and thereby un-cleaned. Testing the random sample would determine the probability, "likelihood," that other former Texaco stations are polluted the same as Satish Chopra's in Corona.

If the percentage of dirty stations is very high, all the stations should be tested. If the percentage is very low, perhaps no more stations should be tested or cleaned other than the initial random sample. If in-between, an assessment of how to determine the likelihood of contamination would have to be made in order to determine the right way to proceed in order to not have to test each and every station, if at all possible. This Three Step Process would be the least amount of effort to extend to the clean up of the former 13,000 Texaco stations.