Hercules Marine Service, Air Violations, TX 1999

Freeport, TX – Hercules Marine Service, a barge cleaning operation, was slapped with a $25,000 fine in June 1999 after pleading guilty to multiple state charges stemming from a deliberate scheme to evade clean air regulations. The company, located in Freeport, Texas, systematically falsified records and skirted emissions controls while cleaning and degassing barges containing hazardous chemicals.

The investigation, initiated after receiving credible information regarding potential violations, revealed that Hercules Marine Service routinely cleaned vessels that had carried chemicals with a vapor pressure exceeding 0.5 inches of mercury – a critical threshold requiring the use of vapor control systems under Texas’s State Implementation Plan (SIP) of the Clean Air Act. These systems are designed to capture and contain volatile organic compounds (VOCs) released during the cleaning process, preventing them from polluting the atmosphere.

Instead of adhering to these vital environmental safeguards, investigators found Hercules Marine Service deliberately bypassed the required vapor control measures. Further compounding the offense, the company submitted fraudulent reports to the Texas Natural Resource Conservation Commission (TNRCC), falsely claiming the barges had contained butanol, a less hazardous substance, when they had, in fact, been laden with the more volatile and environmentally damaging cyclohexane. This misrepresentation allowed them to avoid stricter regulatory oversight and associated costs.

The scheme came to light following an indictment in January 1998, which detailed a series of criminal charges. Hercules Marine Service faced one count of tampering with evidence, eleven misdemeanor counts of failing to control emissions, and ten additional misdemeanor counts related to falsification of records. The prosecution argued that the company’s actions were not merely negligent, but a calculated effort to prioritize profit over public health and environmental safety.

The guilty plea and subsequent sentencing represent a rare instance of criminal prosecution for air quality violations in the maritime industry. While the $25,000 fine may seem modest, legal experts note that the conviction itself sends a strong message that environmental crimes, even those committed by corporations, will not be tolerated. The case highlights the importance of rigorous oversight and enforcement of environmental regulations, especially in industrial areas like the Texas Gulf Coast.

Key Facts

Defendant: Hercules Marine Service
Location: Freeport, Texas
Year: 1999
Laws Violated: Clean Air Act (via Texas State Implementation Plan), specifically regulations regarding vapor control systems for volatile organic compounds. Also, Texas state laws pertaining to tampering with evidence and falsification of records.
Charges: Tampering with evidence (1 count), Failure to control emissions (11 misdemeanor counts), Falsification of records (10 misdemeanor counts).
Penalty: $25,000 fine
Method of Violation: Bypassing vapor control systems on barges containing cyclohexane and falsely reporting the contents as butanol to the TNRCC.

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Source: EPA ECHO Enforcement Case Database

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