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<br />CORE LABORATORIES
<br />Q U A L I T Y A S S U R A N C E M E 7 HOD S
<br />R E F E R E N C E S A N D N O T E S
<br />Report Date: 09/16/98
<br />TO%ICI7Y CHARACTERISTIC LEACHING PROCEDURE
<br />METALS RCRA Regulatory Level (mg/L)
<br />Arsenic (AS) 5.0
<br />Barium (Ba) 100.0
<br />Cadmium (Ld) 1.0
<br />Chromium (C r) 5.0
<br />Lead (Pb) 5.0
<br />Mercury (Hg) 0.2
<br />Selenium (Se) 1.0
<br />Silver (Ag) 5.0
<br />VOLATILE ORGANIC COMPOUNDS RCRA Regulatory Level (ug/L)
<br />Benzene 500
<br />Ce rbon Tetrachloride 500
<br />Chl or obenzene 100000
<br />Chloroform 6000
<br />1,2-Dichloroethane 500
<br />1, 1-Dich loroethene 700
<br />Methyl ethyl ketone (2-Butanone) 200000
<br />Tetrachloroethene 700
<br />T richloroeth ene 500
<br />Vinyl chloride 200
<br />SEMIVOLATILE ORGANIC LOMPWNDS RCRA Regulatory Level (ug)L)
<br />o-C resol (2-Methylphenol) 200000
<br />m 8 p-Cresol (3 8 4-Hethyl phenol) 200000 •
<br />1,4-Dichlorobenzene 7500
<br />2,4-Di nitrotoluene 130 ••
<br />Hexachlorobenzene 130 '*
<br />Hexachlorobutadiene 500
<br />Hexach loroe[hane 3000
<br />Nitrobenzene 2000
<br />Pentachlorophenol 100600
<br />Pyridine 5000 "•
<br />2,4,5-Trichlorophenol 400000
<br />2,4,6-Trichlorophenol 2000
<br />PESTICIDE COMPOUNDS RCRA Regulatory Level (ug/U
<br />Chlordane 30
<br />Endrin 20
<br />Neptach for B
<br />Heptachlor epoxide 8
<br />gamma-BHC (Lindane) 400
<br />Nethoxych lar 10000
<br />T oxaphene 500
<br />HERBICIDE COMPOUNDS RCRA Regulatory Level (ug/L)
<br />2,4-D 10000
<br />2,4,5-TP (Si lvex) 1000
<br />• Total Cresol (2, 3 8 4-Cresol) RCRA regulatory level is 200000 ug/L.
<br />•• Method quanti tali on limit becomes [he RCRA regulatory level.
<br />Page 3
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