The EP Toxicity (Method 1310A) is published in “Test Methods for Evaluating Solid Waste, Physical/Chemical Methods”, EPA Publication SW-846, which is incorporated by reference in COMAR 26.13.01.05A(4). The Toxicity Characteristic Leaching Procedure (TCLP) (Method 1311) is published in “Test Methods for Evaluating Solid Waste, Physical/Chemical Methods”, EPA Publications SW-846, which is incorporated by reference in COMAR 26.13.01.05A(4).