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.
Even if taking acetaminophen from more than one product, add the total amount to be sure you are not exceeding the daily allowable dose. For example, if you take two Norco 10-325 per day, that is equal to 650 mg acetaminophen since one Norco contains 325 mg acetaminophen. Norco contains hydrocodone and acetaminophen.