000 00311pam a2200109a 44500
082 _aTR
_bEPA-009
100 _aThomas A. Bellar
245 1 _aDetermination of volatile organic compounds at the Ug/1 level in water by gas chromatgraphy
260 _a
_b
_c
700 _aJames J. Lichtenberg
997 _aTR6386 C
999 _c405661
_d405661