Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
SYSTECH ENVIRONMENTAL CORP NATIONAL CEMENT CO
5 MILES NE OF I-5 OFF STATE RTE 138, LEBEC, CA, 93243
Parent company: LAFARGE NORTH AMERICA INC
Carcinogen
— 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 | Xylene (mixed isomers) | Toluene | Methyl ethyl ketone | Acetone | Certain glycol ethers | Total |
|---|---|---|---|---|---|---|
| 1997 | 34 | 76 | 14 | — | — | 225 |
| 1996 | 591 | 681 | — | — | — | 1,489 |
| 1995 | 755 | 755 | 255 | — | 255 | 3,040 |
| 1994 | 230 | 220 | 80 | — | 80 | 760 |
| 1993 | 450 | 440 | 130 | 80 | 110 | 1,610 |
| 1992 | 685 | 620 | 205 | 90 | 117 | 2,294 |
| 1991 | 770 | 570 | 296 | 257 | 169 | 2,520 |
| 1990 | 782 | 535 | 286 | 277 | 111 | 2,447 |
| 1989 | 9,851 | 6,100 | 3,638 | 2,857 | 2,695 | 33,450 |
| 1987 | — | — | — | — | — | 350 |