Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
HANSON PIPE & PRODUCTS INC HELMERS
6800 HELMERS ST, HOUSTON, TX, 77022
Parent company: LEHIGH HANSON
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Lead | Total |
|---|---|---|
| 2012 | 0 | 0 |
| 2011 | 1 | 1 |
| 2010 | 0 | 0 |
| 2009 | 1 | 1 |
| 2008 | 0 | 0 |
| 2007 | 1 | 1 |
| 2006 | 1 | 1 |
| 2005 | 1 | 1 |
| 2004 | 1 | 1 |
| 2003 | 1 | 1 |
| 2002 | 1 | 1 |
| 2001 | 1 | 1 |