Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
HR INDUSTRIES INC
1302 E COLLINS BLVD, RICHARDSON, TX, 75081
Parent company: MCDONALD TECHNOLOGIES
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 | Certain glycol ethers | Copper compounds | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total |
|---|---|---|---|---|
| 1994 | — | 2,700 | — | 2,700 |
| 1993 | — | 4,000 | 750 | 4,750 |
| 1992 | 12,205 | 2,360 | 750 | 15,315 |
| 1991 | — | 1,500 | 500 | 2,000 |
| 1989 | — | 500 | 250 | 750 |