Ashley Prieto

Ashley Prieto

Porter Hedges LLP

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Environmental Alert: "Texas Supreme Court Clarifies Causation Standard in Multiple Source Toxic Tort Cases"

The Texas Supreme Court took what appears to be a middle ground in toxic tort cases involving exposure to the same substance from multiple sources. The Court rejected the “but for” standard advocated by the defendant, but...more

7/16/2014 - Bodily Injury Causation Hazardous Substances Mesothelioma Toxic Exposure

Environmental Alert: "DC Circuit Says EPA Can Delay Acid Rain Rules, but Vacates EPA’s Inconsistent Aggregation Policy"

The US Court of Appeals for the District of Columbia Circuit (DC Circuit) issued two important air quality decisions during the last week of May. In both cases, the position supported by industry prevailed....more

6/6/2014 - Air Quality Standards Carbon Emissions Clean Air Act Environmental Policies EPA Greenhouse Gas Emissions NAAQS

Environmental Alert: "EPA Proposes Further Controls for Refinery Emissions"

On May 15, 2014, EPA issued a proposed rule that would add additional emission control requirements for storage tanks, flares, and coking units at petroleum refineries. The proposal would also require additional fence line...more

5/20/2014 - Air Pollution Carbon Emissions Environmental Policies EPA Greenhouse Gas Emissions Refineries

EPA Recognizes New Standard for Phase I Environmental Site Assessments in Real Estate Transactions

Effective December 30, 2013, the Environmental Protection Agency (EPA) has amended its regulations for site assessments in real estate transactions to add a new standard, ASTM E1527-13, as satisfying the agency’s requirements...more

1/8/2014 - ASTM CERCLA Contaminated Properties Environmental Assessments EPA Land Developers Real Estate Market Superfund Vapor Intrusion

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