Mr. Taylor:
Here are the emissions data files from the appropriate State Summary Files for the years 1997, 1998, 1999.  The attached files are in Excel v. 5 format.  If Excel v. 5 format is not acceptable I will be able to send them to you in ASCII.TXT, comma-delimited, first row of data used as field names format.  Let me know if you want them in the latter described format.  This data is just for the TNRCC account numbers supplied in your request.  

Please let me know if this data is acceptable.  There is no charge for this data because it is not the entire State Summary File for each year.  

I want to thank you for typing the account numbers.  This saves me considerable typing time when setting up the queries.  

If you have any questions or need additional data, you may contact me at the locations listed below.  Thank you for the opportunity to serve your data request. 
Jim Parks
PH     512 239-2544
FAX   512 239-0888
jparks@tnrcc.state.tx.us 

>>> "Taylor, Michael E" <Michael.E.Taylor@ENRON.com> 09/25/01 01:37PM >>>
Jim,

I wanted to know how I would find this data.  I am looking for the NOx
emissions for the accounts below for 1997-2000.  I have some of the data
for 1999, and very little for 2000.  How do I find the rest of the data?
Website?  Database?  I believe you sent me the state database in August
which included some 1999 and 2000 numbers for the accounts below.  I
suppose some more accounts may have been updated for 2000.


ACCOUNT #
HG1495V	
HG0071Q	
GB0004L	
GB0153Q	
HG1174V	
HG0713S	
MQ0009F	
HG0232Q	
HG0234M	
HG0228H	
MQ0007J	
HG0033B	
HG0048L	
FG0020V	
GB0037T	
CI0012D	
HG0659W	
BL0082R	
BL0022M	

Sincerely,
Michael Taylor
Enron Global Markets
(713) 853-1885


-----Original Message-----
From: Jim Parks [mailto:JPARKS@tnrcc.state.tx.us] 
Sent: Thursday, August 23, 2001 3:48 PM
To: Taylor, Michael E
Subject: RE: TNRCC State Summary File


Mr. Taylor:
1)  The allowable data is generally unique to each permit.  Because of
this a general statement like "the allowable tons/year for SO2 in Harris
County is ......." would not be defendable or valid.  
2)  I believe that the allowable data varies in relation to the season
of year and part of the state - a.k.a., "ambient background threshold".
In other words, if it is ozone season, allowable emissions probably
would be lower.  
3)  The allowable emissions threshold is also variable over time.  25
years ago, Harris county probably did not need an allowable cap for
certain emissions.  As industry grows the allowable emissions will be
adjusted.  The period of time for the data to become outdated could be
as little as 1 month, depending on when new allowables or new permits
are initiated.  
4)  Texas charges corporations a "tax" for emissions over their
allowable limit.  It is sort of a pay-as-you-go plan.  Of course I am
being very simplistic here, but the point is still the same.  

Your questions are excellent and I am giving you as specific an answer
as possible.  I hope I am not being too pointed but to the data oriented
person, the previous points are important for data integrity.  Jim Parks



>>> "Taylor, Michael E" <Michael.E.Taylor@ENRON.com> 08/23/01 03:10PM
>>>
Jim,

Could you please explain to me where these numbers would NOT be
accurate?  I was warned that the data (allowables) would not be 100%
accurate because of certain reasons.  Can you please detail those
reasons for me?

Michael Taylor
Coal and Emissions Trading
Enron Global Markets
(713) 853-1885





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