Stats of IUR Database Queries Requested for the

Economic Analysis for the IUR Modification Rule

Issue: Reduce or Eliminate the Threshold for Downstream Processing and
Use Reporting (FR 710.52(c) to levels of 100,000 lbs., 50,000 lbs, or
25,000 lbs.

Statistic	Mfg + Imp Volume

>= 300,000 lbs	Mfg + Imp Volume

>= 100,000 lbs	Mfg + Imp Volume

>= 50,000 lbs	Mfg + Imp Volume

>= 25,000 lbs

# of Reports	17,075	20,702	23,163	25,896

# of Companies	1,360	1,466	1,506	1,530

# of Sites	3,517	3,811	3,978	4,085

# of Chemicals	3,689	4,809	5,470	6,149

# Reports = Total number of data lines for desired ranges

# Companies = Unique Formal Names for desired ranges

# Sites = Unique IUR report numbers for desired ranges

# Chemicals = Unique chemical numbers for desired ranges

Issue: Change the Timeframe for Reporting (CFR 710.52(c)(3))

List of chemical/site combinations that appeared in the 1998 database
but not the 2002 database. Include 1998 production volume. Total Number:
19,307 + 

List of chemical/site combinations that appeared in the 2002 database
but not the 2006 database. Include 2002 production volume. Total Number:


Issue: Excessive CBI claims for Downstream Processing and Use (DPU)

2006 Information:

# of Reports Providing Any Processing and Use Information	21,334

# of CBI Claims for Site ID in 2006	1,547

Statistic	Claimed CBI	Claimed NRO

# of Reports	8,133	10,220

# of Companies	396	756

# of Discrete Chemicals	2,724	1,942

# Reports = Total number of data lines for desired value

# Companies = Unique Formal Names for desired value

# Chemicals = Unique chemical numbers for desired value

Issue: Chemical Exemption for Manufactured Water

# of Reports Submitted in 2006	43

# of Sites That Submitted in 2006	43

# of Companies That Submitted in 2006	34

Used 7732-18-5 as the chemical identifying number for the search

# Reports = Total number of data lines for desired ranges

# Sites = Unique IUR report numbers for desired ranges

# Companies = Unique Formal Names for desired ranges

Issue: Site-limited (CFR 710.52(c)(3))

# and % of Reports Site-limited in 2006	3,910	14.8%

# and % of Companies Site-limited in 2006	495	12%

# and % of Discrete Chemicals Site-limited in 2006	1,393	22.4%

# Reports = Total number of data lines for desired value

# Companies = Unique Formal Names for desired value

# Chemicals = Unique chemical numbers for desired value

