Facility Profile

CAPITOL AGGREGATES INC.
ZACHRY CONSTRUCTION & MATERIALS INC
Facility Summary
11551 NACOGDOCHES RD, SAN ANTONIO, TX, 78217 (BEXAR)
In 2022, this facility made toxic releases of:
- Concern to the air
- Onsite air release of Clean Air Act chemicals
- Onsite release Persistent bioaccumulative toxic substance (PBTs)
- Onsite release of known carcinogens
This facility reported the following greenhouse gas releases for 2022:
- 467.50 metric tons of Methane (CH4)
- 804.30 metric tons of Nitrous Oxide (N2O)
- 459,374.00 metric tons of Carbon Dioxide (CO2)
18-month enforcement and compliance history summary for this facility:
Facility: Violation
Clean Air Act: No Violation Identified
Clean Water Act: No Violation Identified
Resource Conservation and Recovery Act : Violation
Total Penalties: $0
Last Penalty: 06/25/2015
2022 Toxic Substance Releases
Substance Total
(lbs)
Air
(lbs)
Water
(lbs)
Land
(lbs)
UnInj
(lbs)
Offsite
(lbs)
AMMONIA
CASRN: 7664-41-7
2,184.05 2,184.05 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
MERCURY COMPOUNDS
CASRN: N458
21.48 21.48 0.00 0.00 0.00 0.00
This is a persistent bioaccumulative toxic substance (PBTs). (Source: U.S. EPA Toxics Release Inventory (TRI))
This substance is a clean air act chemical. (Source: U.S. EPA Toxics Release Inventory (TRI))
Substance Total Air Water Land UnInj Offsite
LEAD COMPOUNDS
CASRN: N420
13.59 13.59 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
MERCURY COMPOUNDS
CASRN: N495
0.00 0.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
COBALT COMPOUNDS
CASRN: N096
0.00 0.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite
CHROMIUM COMPOUNDS
CASRN: N090
0.00 0.00 0.00 0.00 0.00 0.00
This substance is a clean air act chemical. (Source: U.S. EPA Toxics Release Inventory (TRI))
Substance Total Air Water Land UnInj Offsite
MANGANESE COMPOUNDS
CASRN: N450
0.00 0.00 0.00 0.00 0.00 0.00
This substance is a clean air act chemical. (Source: U.S. EPA Toxics Release Inventory (TRI))
Substance Total Air Water Land UnInj Offsite
BARIUM COMPOUNDS
CASRN: N040
0.00 0.00 0.00 0.00 0.00 0.00
Substance Total Air Water Land UnInj Offsite