Hazardous waste listings are used to describe wastes that the EPA has deemed dangerous enough to necessitate regulation. Hazardous waste listings describe wastes from various industrial processes, wastes from specific sectors of industry, or wastes in the form of specific chemical formulations.
In order to determine if a hazardous waste listing needs to be created the EPA must thoroughly study a waste stream and the threat it potentially poses to human health and the environment. If the threat is significant enough the EPA will include a specific description of the waste on one of the hazardous waste lists in the regulations. After the initial inclusion, any waste that fits the original listing description is considered hazardous regardless of its chemical composition or any other potential variable.
There are both advantages and disadvantages to using listings when defining hazardous wastes. For example, listing makes the hazardous waste identification process easy for industrial waste handlers since only knowledge of the wastes origin is needed to determine whether or not it is listed. This means there is no need for laboratory analysis. All one must do to determine if a waste is hazardous is to compare it to the narrative listing descriptions.
All that said, there are still some disadvantages. For instance, when initially determining whether or not a waste should be listed extensive study and resources are demanded of the EPA. Since resources are limited the listings can’t adequately address every dangerous waste. Additionally, hazardous waste listings are very firm. Each listing designates a waste as hazardous if it falls within a particular category or class meaning that the actual composition of the material need not be considered as long as the criteria for listing are met. Because of these weaknesses, hazardous waste characteristics are utilized to help address the shortcomings.
The EPA has studied and listed hundreds of different waste streams. These are all broken down into one of 4 different list types.
These individual lists may contain designations of anywhere from 30 to a few hundred different types of hazardous waste. Each different waste is assigned a waste code which consists of the list letter and a three digit number. So numbers may appear as, F001, K004, P007, etc. These codes play an important role in the managing of hazardous waste and as such it is vital to assign the correct code to your waste stream.
All information for this blog post was gathered from the EPA document, “Introduction to Hazardous Waste Identification.” As always, this blog post is not intended to be comprehensive and it is always best to check with the EPA and local government for full, up-to-date, rules and regulations.
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