|
TABLE 2
<br /> GROUNDWATER ANALYTICAL DATA
<br /> Knowles-Rock
<br /> • Stockton,California
<br /> Page l 1 of 15
<br /> (in parts per billion)
<br /> 1.
<br /> Well DateTPHg _ Benzene Toluene Ethylbenzene Xylenes MTBE
<br /> k
<br /> MW-13 7/23/1997 120,000 3,200 24,000 4,100 21,000 <200
<br /> Cont'd 11/20/1997 110,000 3,600 18,000 2,900 16,000 <5 0
<br /> 2/27/1998 90,000 4,000 12,000 I,900 13,000 <30
<br /> 5/6/1998 85,000 2,100 14,000 1,900 12,000 <60
<br /> 8/12/1998 90,000 3,200 26,000 3,300 17,000 <50
<br /> 11/11/19981 74,000 2,200 15,000 2,300 14,000 <100
<br /> 2/12/1999 80,000 2,900 18,000 3,000 15,000 <100
<br /> I 5/4/1999 84,000 1,800 17,000 2,600 13,000 <500
<br /> 8/5/1999 79,000 1,600 15,000 2,300 11,000 <50
<br /> 11/18/1999 66,000 970 12,000 1,700 8,800 <50
<br /> I 2/4/2000 60,000 290 7,800 1,700 7,900 <50
<br /> 5/10/2000 76,000 690 13,000 2,700 14,000 <100
<br /> 8/16/2000 44,000 430 3,200 1,500 4,800 <100
<br /> 11/21/2000 150,000 4,000 I5,000 3,400 17,000 <200
<br /> 3/8/2001 86,000 500 12,000 2,800 15,000 <200
<br /> 5/24/2001 92,000 650 10,000 3,400 18,000 <200
<br /> 08/30/01- Not Sampled
<br /> 11/13/2002
<br /> 1/13/2003 Well Destroyed
<br /> MW-13B 1/30/2003 76,000 3,600 12,000 1,200 5,800 <100
<br /> I • 2/21/2003 230,000 9,500 32,000 3,100 19,000 <200
<br /> 5/29/2003 180,000 9,800 31,000 3,000 18,000 <200
<br /> 8/28/2003 180,000 8,000 25,000 2,300 12,000 <200
<br />' 11/20/2003 150,000 12,000 38,000 3,100 19,000 <200
<br /> 2/27/2004 86,000 6,300 27,000 1,000 8,600 <200
<br /> 5/21/2004 99,000 9,100 26,000 2,600 16,000 <100
<br /> 8/26/2004 93,000 9,500 29,000 2,700 I8,000 <200
<br /> 11/18/2004 86,000 7,700 24,000 2,200 14,000 <50
<br /> 2/23/2005 91,000 7,600 23,000 2,100 13,000 <200
<br /> MW-14 3/6/2001 110,000 29,000 880 1,000 2,500 24,000
<br /> I 5/23/2001 90,000 31,000 760 1,200 2,500 15 000
<br /> 8/30/2001 80,000 26,000 530 830 1,700 3100
<br /> 12/6/2001 43,000 8,000 17 220 330 34,000
<br /> 2/21/2002 82,000 24,000 180 710 1,300 70,000
<br /> 5/22/2002 99,000 17,000 220 1,000 2,400 81,000
<br /> 8/27/2002 70,000 19,000 70 480 800 140,000
<br /> I 11/14/2002 49,000* 26,000 71 590 760 210,000
<br /> 2/21/2003 72,000 20,000 93 660 900 110,000
<br /> 5/30/2003 59,000 17,000 I50 240 420 100,000
<br /> 8/28/2003 34,000 11,000 45 150 220 63,000
<br />' 11/20/2003 60,000 21,000 270 620 1,200 82,000
<br /> 2/27/2004 46,000** 13,000 96 250 590 57 000
<br /> 5/21/2004 1 22,000" 9,600 63 280 530 26 000
<br /> E
<br /> 6/2004 14,000 10,000 34 230 340 43000
<br /> 8/2004 20,000 9,200 180 260 530 45,000
<br /> 2/24/2005 15,000 9,400 42 150 92 38 000
<br /> MW-13A 1/30/2003 <50 <05 <0 5 <0 5 <10 34
<br /> 2/19/2003 <50 -05 <0 5 <0 5 <10 59
<br /> 5/28/2003 <50 <05 <0 5 <0 5 <] G 33
<br /> 8/27/2003 <50 <0 5 <0-5 <0 5 <10 I 8 G
<br /> I
<br />
|