Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
NOBLE CONSTRUCTION EQUIPMENT INC
1802 E 50TH ST, LUBBOCK, TX, 794044040
Parent company: QUANTUM CONSTRUCTION EQUIPMENT
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 | Manganese compounds | Xylene (mixed isomers) | Methyl ethyl ketone | Propylene | Toluene | Total |
|---|---|---|---|---|---|---|
| 2002 | 90 | — | — | — | — | 90 |
| 2001 | 164 | — | — | — | — | 164 |
| 2000 | 76 | 6,116 | 3,910 | — | — | 10,102 |
| 1999 | 90 | 10,400 | 10,670 | — | — | 21,160 |
| 1998 | 250 | 32,100 | 11,540 | 420 | — | 44,315 |
| 1997 | 6,152 | 8,281 | — | 7,030 | 2,612 | 24,075 |
| 1996 | 8,054 | 3,168 | — | 750 | 1,304 | 13,276 |
| 1995 | 10,943 | — | — | 750 | — | 11,943 |
| 1994 | 7,125 | — | — | 750 | — | 8,125 |
| 1993 | 7,060 | — | — | 600 | — | 7,910 |
| 1992 | 4,700 | — | — | 600 | — | 5,550 |
| 1991 | 5,900 | — | — | 600 | — | 6,750 |
| 1990 | 6,700 | — | — | 870 | — | 7,820 |
| 1989 | 6,900 | — | — | 850 | — | 7,750 |
| 1988 | — | — | — | — | — | 250 |
| 1987 | — | — | — | — | — | 250 |