Facility detail

TPI PETROLEUM INC

1925 E SUPERIOR ST, ALMA, MI, 48802

Parent company: ULTRAMAR DIAMOND SHAMROCK CORP

Carcinogen PBT — EPA classifications across all reporting years

Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

Top chemical totals

The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) 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.

All values in pounds (lbs)
Year Ammonia Diethanolamine Propylene Sodium sulfate (solution) Phenol Total (lbs)
1999 14,966 7,681 17,472 — — 66,400
1998 21,681 11,206 27,834 — — 90,827
1997 24,200 14,000 124 — — 93,099
1996 29,200 20,000 20,000 — — 102,475
1995 21,400 180,000 20,000 — — 251,719
1994 44,700 103,000 33,000 — — 215,295
1993 256,500 120,000 19,000 — 59,250 493,147
1992 200,200 96,000 24,000 — 48,250 412,024
1991 226,900 120,000 52,000 — 58,250 501,327
1990 240,900 114,000 49,000 — — 451,712
1989 206,800 70,000 57,000 — — 379,122
1988 — — 54,000 — — 259,983
1987 — — 50,000 420,000 — 490,105

▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.