Section 661.07. Residues of hazardous waste in empty containers.

 

(1)  

(a) Any hazardous waste remaining in either an empty container or an inner liner removed from an empty container, as defined in sub. (2) , is not subject to this chapter, chs. NR 662 to 665 , 668 or 670 , or s. NR 660.07 .

(b) Any hazardous waste in either a container that is not empty or an inner liner removed from a container that is not empty, as defined in sub. (2) , is subject to this chapter, chs. NR 662 to 665 , 668 and 670 and s. NR 660.07 .

(2)  

(a) A container or an inner liner removed from a container that has held any hazardous waste, except a waste that is a compressed gas or that is identified as an acute hazardous waste listed in s. NR 661.31 , 661.32 or 661.33 (5) is empty if subds. 1. and 2. or 3. are met:

1. All wastes have been removed that can be removed using the practices commonly employed to remove materials from that type of container, e.g., pouring, pumping and aspirating.

2. No more than 2.5 centimeters (one inch) of residue remain on the bottom of the container or inner liner.

3. One of the following:

a. No more than 3% by weight of the total capacity of the container remains in the container or inner liner if the container is less than or equal to 119 gallons in size.

b. No more than 0.3% by weight of the total capacity of the container remains in the container or inner liner if the container is greater than 119 gallons in size.

(b) A container that has held a hazardous waste that is a compressed gas is empty when the pressure in the container approaches atmospheric.

(c) A container or an inner liner removed from a container that has held an acute hazardous waste listed in s. NR 661.31 , 661.32 or 661.33 (5) is empty if any of the following are met:

1. The container or inner liner has been triple rinsed using a solvent capable of removing the commercial chemical product or manufacturing chemical intermediate.

2. The container or inner liner has been cleaned by another method that has been shown in the scientific literature, or by tests conducted by the generator, to achieve equivalent removal.

3. In the case of a container, the inner liner that prevented contact of the commercial chemical product or manufacturing chemical intermediate with the container, has been removed.

History: CR 05-032 : cr. Register July 2006 No. 607 , eff. 8-1-06; CR 06-102 : am. (2) (a) 3. a. and b. Register March 2007 No. 615 , eff. 4-1-07.