Laserfiche WebLink
CONCENTRATION(ppb) <br /> .� o <br /> o 0 <br /> .. c o a a • <br /> a � a o a o 0 <br /> 10/2/1998 <br /> 1/28/1999 <br /> 5/14/1999 <br /> 9/2/1999 <br /> to <br /> I Z <br /> i 12/21/1999 w M x <br /> f¢ 5rk=J <br /> 7/7/2000 n <br /> � � Vz • <br /> W <br /> I12/28/2000 <br /> o a O <br /> 8/16/2001 w y <br /> 12/11/2001 <br /> 7/3/2002 <br /> 2/3/2004 <br /> 7/12/2004 <br /> 3/31/2005 • <br />