The Small Business Liability Relief and Brownfields Revitalization Act, an amendment to the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), defines a brownfield site as real property, the expansion, redevelopment or reuse of which may be complicated by the presence of a hazardous substance, pollutant, or contaminant ...
Chronic pain management always require higher dose of hydrocodone due tolerance. The maximum recommended dose for the hydrocodone is 60mg/day which is equivalent to 12 tablets of (5/325). As you go up, the risk of side effects and toxicity increases. Combining one and more product has synergistic effect. You can read more about it from here.
The maximum daily dose of such products is limited by the acetaminophen content, and having less acetaminophen per tablet allows for a higher daily dosage of hydrocodone without exceeding the maximum acetaminophen dosage. (Click Norco Uses for more information, including possible off-label uses.).