03612500 DATA: Chemical and Microbiological Tables, 2002

Station list Available data
OHIO RIVER BASIN

03612500 OHIO RIVER AT LOCK AND DAM 53 NEAR GRAND CHAIN, IL

	(National Stream-Quality Accounting Network Station)

LOCATION.-- Lat 37°12'11", long 89°02'30" (NAD of 1927), Pulaski County, Hydrologic Unit 05140206, at auxiliary gaging station, 0.5 mi upstream from Gar Creek, 3.0 mi southwest of Grand Chain, IL, 18.1 mi downstream from gaging station at Metropolis, and at mile 962.2.

DRAINAGE AREA.-- 203,100 mi², approximately.

PERIOD OF RECORD.--
SURFACE-WATER QUALITY
	CHEMICAL: Water years 1955 to current year.
	SPECIFIC CONDUCTANCE: October 1954 to September 1970, January 1973 to September 1990.
	WATER TEMPERATURE: October 1954 to September 1970, January 1973 to September 1990.

REMARKS.-- Records of daily discharge are available for station at Metropolis, IL, (station 03611500). Flow regulated by many dams and reservoirs.

EXTREMES FOR PERIOD OF RECORD.--
SPECIFIC CONDUCTANCE: Maximum daily recorded, 693 microsiemens, Nov. 25, 1968; minimum daily recorded, 170 microsiemens, Feb. 9, 1957.
WATER TEMPERATURE: Maximum daily recorded, 31.0°C, July 15, 1964, July 17-21, 25, 1977; minimum daily recorded, 0.0°C, on several days during most winter months.

SURFACE-WATER QUALITY, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002
			DIS-		UV	UV		OXYGEN,	PH
			CHARGE,		ABSORB-	ABSORB-		DIS-	WATER	SPE-		HARD-
			INST.	TURBID-	ANCE	ANCE		SOLVED	WHOLE	CIFIC		NESS
			CUBIC	ITY LAB	254 NM,	280 NM,	OXYGEN,	(PER-	FIELD	CON-	TEMPER-	TOTAL
		SAMPLE	FEET	HACH	WTR FLT	WTR FLT	DIS-	CENT	(STAND-	DUCT-	ATURE	(MG/L
DATE	TIME	TYPE	PER	2100AN	(UNITS	(UNITS	SOLVED	SATUR-	ARD	ANCE	WATER	AS
			SECOND	(NTU)	/CM)	/CM)	(MG/L)	ATION)	UNITS)	(US/CM)	(DEG C)	CACO₃)
			(00061)	(99872)	(50624)	(61726)	(00300)	(00301)	(00400)	(00095)	(00010)	(00900)
NOV
20...	1250	ENVIRONMENTAL	85300	13	.093	.065	10.6	101	7.6	398	13.5	160
DEC
07...	1150	ENVIRONMENTAL	328000	59	.140	.107	9.2	86	7.3	306	12.0	120
JAN
30...	1410	ENVIRONMENTAL	766000	140	.086	.065	12.6	109	7.7	271	8.5	110
30...	1420	REPLICATE	--	140	.087	.067	--	--	--	--	--	110
FEB
13...	1410	ENVIRONMENTAL	318000	63	.100	.075	11.6	95	7.7	302	7.0	120
13...	1418	FIELD BLANK	--	--	<.004	<.004	--	--	--	--	--	--
MAR
06...	1400	ENVIRONMENTAL	186000	32	.078	.057	12.8	101	7.9	401	5.5	160
20...	1330	ENVIRONMENTAL	659000	81	.084	.063	12.2	110	7.8	310	10.5	130
20...	1338	FIELD BLANK	--	--	--	--	--	--	--	--	--	--
APR
10...	1420	ENVIRONMENTAL	460000	100	.086	.064	10.4	95	7.4	316	12.0	130
25...	1320	ENVIRONMENTAL	470000	110	.105	.078	--	--	7.7	--	--	130
25...	1328	FIELD BLANK	--	--	--	--	--	--	--	--	--	--
MAY
07...	1410	ENVIRONMENTAL	694000	100	.111	.083	8.4	89	7.3	223	18.0	100
29...	1400	ENVIRONMENTAL	611000	52	.124	.092	7.5	83	7.3	287	20.0	130
JUN
12...	1510	ENVIRONMENTAL	376000	83	.081	.060	6.7	82	7.7	337	25.0	140
12...	1518	FIELD BLANK	--	--	<.004	<.004	--	--	--	--	--	--
26...	1330	ENVIRONMENTAL	60000	19	.084	.062	7.6	100	7.6	333	29.0	140
26...	1340	REPLICATE	--	17	.084	.062	--	--	--	--	--	140
JUL
17...	1340	ENVIRONMENTAL	129000	20	.077	.056	6.6	88	7.8	340	30.0	130
17...	1348	FIELD BLANK	--	--	--	--	--	--	--	--	--	--
AUG
08...	1410	ENVIRONMENTAL	65200	16	.069	.049	8.0	107	8.0	287	30.0	100
SEP
10...	1410	ENVIRONMENTAL	48000	--	.071	.052	8.0	105	8.0	275	29.0	98
10...	1420	REPLICATE	--	9.5	.070	.052	--	--	--	--	--	100

					ALKA-	BICAR-					SOLIDS,	NITRO-	NITRO-
		MAGNE-	POTAS-		LINITY	BONATE	CHLO-	FLUO-	SILICA,		RESIDUE	GEN,	GEN,AM-
	CALCIUM	SIUM,	SIUM,	SODIUM,	WAT DIS	WATER	RIDE,	RIDE,	DIS-	SULFATE	AT 180	AMMONIA	MONIA +
	DIS-	DIS-	DIS-	DIS-	TOT IT	DIS IT	DIS-	DIS-	SOLVED	DIS-	DEG. C	DIS-	ORGANIC
	SOLVED	SOLVED	SOLVED	SOLVED	FIELD	FIELD	SOLVED	SOLVED	(MG/L	SOLVED	DIS-	SOLVED	DIS.
DATE	(MG/L	(MG/L	(MG/L	(MG/L	MG/L AS	MG/L AS	(MG/L	(MG/L	AS	(MG/L	SOLVED	(MG/L	(MG/L
	AS CA)	AS MG)	AS K)	AS NA)	CACO₃	HCO₃	AS CL)	AS F)	SIO₂)	AS SO₄)	(MG/L)	AS N)	AS N)
	(00915)	(00925)	(00935)	(00930)	(39086)	(00453)	(00940)	(00950)	(00955)	(00945)	(70300)	(00608)	(00623)
NOV
20...	44.1	12.3	3.31	14.0	120	147	20.6	.1	5.95	39.2	238	<.04	.29
DEC
07...	33.9	9.15	3.81	12.1	76	92	17.3	.3	5.68	41.3	192	E.03	.35
JAN
30...	32.5	7.50	2.44	10.9	77	94	14.1	.1	4.52	37.2	168	.06	.27
30...	32.2	7.38	2.37	10.7	--	--	14.1	.1	4.48	36.1	170	.07	.28
FEB
13...	33.5	8.61	2.53	8.97	89	107	14.7	.1	5.42	31.7	172	E.03	.32
13...	--	--	--	--	--	--	--	--	--	--	--	--	--
MAR
06...	44.2	12.8	2.16	15.5	107	130	24.7	.2	5.34	51.0	236	E.03	.25
20...	36.8	10.1	2.17	13.6	90	110	21.2	.1	3.76	41.2	198	.04	.25
20...	.04	<.008	<.01	<.09	--	--	.31	<.01	<.13	.02	--	.019	--
APR
10...	36.1	9.81	2.09	11.0	84	102	16.6	.2	5.17	43.2	183	<.04	.24
25...	36.0	10.5	2.57	11.3	86	105	16.8	E.1	5.36	46.1	213	<.04	.27
25...	--	--	--	--	--	--	--	--	--	--	--	--	--
MAY
07...	29.3	7.42	2.39	6.96	77	94	9.51	E.1	4.58	31.0	148	<.04	.28
29...	35.4	9.14	2.67	7.26	88	108	10.3	.1	5.64	32.6	154	<.04	.32
JUN
12...	38.4	10.4	2.52	11.4	96	117	15.8	.1	4.89	40.8	200	<.04	.17
12...	--	--	--	--	--	--	--	--	--	--	--	--	--
26...	38.6	10.3	2.48	10.4	96	117	14.7	.1	4.44	36.7	195	<.04	.23
26...	38.0	10.2	2.50	10.2	--	--	15.3	.1	4.35	36.6	192	<.04	.23
JUL
17...	35.2	10.6	2.45	11.7	93	113	14.8	.2	.96	41.9	189	<.04	.26
17...	E.01	<.008	<.01	<.09	--	--	.04	<.01	<.13	<.01	--	<.015	--
AUG
08...	28.3	8.25	2.53	12.9	76	93	13.7	.2	1.74	35.0	163	<.04	.22
SEP
10...	25.9	8.13	2.37	12.5	76	93	13.7	.2	2.59	32.2	147	<.04	.24
10...	26.4	8.29	2.31	12.6	--	--	13.7	.1	2.59	31.6	152	<.04	.24

	NITRO-	NITRO-	NITRO-	NITRO-		ORTHO-		CARBON,	CARBON,		CARBON,		CHLOR-A
	GEN,AM-	GEN,	GEN,	GEN,PAR	PHOS-	PHOS-		INORG +	INOR-	CARBON,	ORGANIC	PHEO-	PHYTO-
	MONIA +	NO₂+NO₃	NITRITE	TICULTE	PHORUS	PHATE,	PHOS-	ORGANIC	GANIC,	ORGANIC	PARTIC-	PHYTIN	PLANK-
	ORGANIC	DIS-	DIS-	WAT FLT	DIS-	DIS-	PHORUS	PARTIC.	PARTIC.	DIS-	ULATE	A,	TON
	TOTAL	SOLVED	SOLVED	SUSP	SOLVED	SOLVED	TOTAL	TOTAL	TOTAL	SOLVED	TOTAL	PHYTO-	CHROMO
DATE	(MG/L	(MG/L	(MG/L	(MG/L	(MG/L	(MG/L	(MG/L	(MG/L	(MG/L	(MG/L	(MG/L	PHYTON	FLUOROM
	AS N)	AS N)	AS N)	AS N)	AS P)	AS P)	AS P)	AS C)	AS C)	AS C)	AS C)	(UG/L)	(UG/L)
	(00625)	(00631)	(00613)	(49570)	(00666)	(00671)	(00665)	(00694)	(00688)	(00681)	(00689)	(62360)	(70953)
NOV
20...	.44	1.48	.017	.13	.072	.064	.109	1.1	<.1	3.5	1.0	4.7	4.6
DEC
07...	.76	1.16	.017	.31	.075	.062	.27	3.2	<.1	4.8	3.2	6.6	1.8
JAN
30...	.86	1.10	.010	.60	.056	.048	.42	6.6	.2	3.0	6.4	8.8	3.9
30...	.87	1.09	.010	.58	.057	.049	.40	5.9	<.1	2.9	5.9	8.4	3.9
FEB
13...	.53	1.91	.010	.18	.062	.049	.166	2.4	E.4	3.6	E2.0	2.7	3.1
13...	--	--	--	<.02	--	--	--	<.1	<.1	.4	<.1	--	--
MAR
06...	.39	2.23	.012	.18	.044	.030	.109	1.4	<.1	2.9	1.4	4.3	6.2
20...	.58	1.48	.014	.30	.049	.035	.23	3.8	<.1	2.9	3.8	9.8	6.9
20...	--	<.013	<.002	--	--	<.007	--	--	--	--	--	--	--
APR
10...	.71	1.72	.012	.47	.038	.030	.24	5.2	<.1	3.0	5.1	8.2	9.7
25...	.81	1.56	.013	.55	.049	.036	.26	5.9	.1	3.5	5.8	--	--
25...	--	--	--	--	--	--	--	--	--	--	--	--	--
MAY
07...	.59	1.14	.016	.30	.047	.033	.23	3.6	<.1	3.6	3.6	--	--
29...	.57	1.31	.012	.28	.048	.035	.162	2.1	<.1	3.7	2.1	--	--
JUN
12...	.68	1.37	E.005	.47	.043	.033	.23	4.3	<.1	2.7	4.2	--	--
12...	--	--	--	.03	--	--	--	<.1	<.1	.5	<.1	--	--
26...	.46	1.61	.009	.21	.039	.028	.091	1.3	<.1	2.9	1.3	--	--
26...	.41	1.59	.009	.22	.038	.028	.089	1.5	<.1	3.0	1.5	--	--
JUL
17...	.54	.71	.030	.33	.023	.010	.087	2.0	<.1	2.7	1.9	12.8	19.6
17...	--	<.013	<.002	--	--	<.007	--	--	--	--	--	--	--
AUG
08...	.52	.26	.036	.32	.016	.007	.069	1.9	<.1	3.0	1.9	10.2	30.4
SEP
10...	.51	.42	.051	.23	.029	.018	.071	1.6	<.1	2.7	1.6	18.9	24.9
10...	.45	.43	.051	.23	.029	.017	.073	1.6	<.1	2.7	1.5	18.8	22.8

	ALUM-	ANTI-			BERYL-			CHRO-
	INUM,	MONY,	ARSENIC	BARIUM,	LIUM,	BORON,	CADMIUM	MIUM,	COBALT,	COPPER,	IRON,	LEAD,	LITHIUM
	DIS-	DIS-	DIS-	DIS-	DIS-	DIS-	DIS-	DIS-	DIS-	DIS-	DIS-	DIS-	DIS-
	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED
DATE	(UG/L	(UG/L	(UG/L	(UG/L	(UG/L	(UG/L	(UG/L	(UG/L	(UG/L	(UG/L	(UG/L	(UG/L	(UG/L
	AS AL)	AS SB)	AS AS)	AS BA)	AS BE)	AS B)	AS CD)	AS CR)	AS CO)	AS CU)	AS FE)	AS PB)	AS LI)
	(01106)	(01095)	(01000)	(01005)	(01010)	(01020)	(01025)	(01030)	(01035)	(01040)	(01046)	(01049)	(01130)
NOV
20...	3	.18	1.0	35	<.06	48	<.04	<.8	.13	1.6	<10	<.08	2.4
DEC
07...	5	.14	.8	33	<.06	43	<.04	<.8	.13	1.8	21	<.08	2.8
JAN
30...	--	--	.6	--	--	29	--	--	--	--	12	--	2.4
30...	--	--	.6	--	--	26	--	--	--	--	20	--	2.1
FEB
13...	--	--	.6	--	--	25	--	--	--	--	21	--	1.6
13...	--	--	--	--	--	--	--	--	--	--	--	--	--
MAR
06...	--	--	2.1	--	--	45	--	--	--	--	E6	--	3.4
20...	--	--	.6	--	--	34	--	--	--	--	56	--	2.6
20...	--	--	<.2	--	--	<7	--	--	--	--	<10	--	E.2
APR
10...	--	--	.4	--	--	26	--	--	--	--	E6	--	2.1
25...	--	--	.8	--	--	33	--	--	--	--	E6	--	2.9
25...	--	--	--	--	--	--	--	--	--	--	--	--	--
MAY
07...	--	--	.7	--	--	25	--	--	--	--	E9	--	2.1
29...	--	--	.8	--	--	30	--	--	--	--	16	--	2.1
JUN
12...	--	--	.8	--	--	35	--	--	--	--	<10	--	3.0
12...	--	--	--	--	--	--	--	--	--	--	--	--	--
26...	--	--	.9	--	--	42	--	--	--	--	<10	--	2.7
26...	--	--	.9	--	--	40	--	--	--	--	<10	--	2.6
JUL
17...	--	--	1.2	--	--	58	--	--	--	--	<10	--	3.2
17...	--	--	<.2	--	--	<7	--	--	--	--	<10	--	<.3
AUG
08...	10	.21	1.2	36	<.06	42	<.04	<.8	.12	1.1	<10	<.08	2.8
SEP
10...	--	--	1.3	--	--	60	--	--	--	--	<10	--	2.5
10...	--	--	1.3	--	--	60	--	--	--	--	<10	--	2.5

									2,6-DI-
	MANGA-	MOLYB-		SELE-		STRON-	VANA-		ETHYL	ACETO-	ALA-		ATRA-
	NESE,	DENUM,	NICKEL,	NIUM,	SILVER,	TIUM,	DIUM,	ZINC,	ANILINE	CHLOR,	CHLOR,	ALPHA	ZINE,
	DIS-	DIS-	DIS-	DIS-	DIS-	DIS-	DIS-	DIS-	WAT FLT	WATER	WATER,	BHC	WATER,
	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED	SOLVED	0.7 U	FLTRD	DISS,	DIS-	DISS,
DATE	(UG/L	(UG/L	(UG/L	(UG/L	(UG/L	(UG/L	(UG/L	(UG/L	GF, REC	REC	REC,	SOLVED	REC
	AS MN)	AS MO)	AS NI)	AS SE)	AS AG)	AS SR)	AS V)	AS ZN)	(UG/L)	(UG/L)	(UG/L)	(UG/L)	(UG/L)
	(01056)	(01060)	(01065)	(01145)	(01075)	(01080)	(01085)	(01090)	(82660)	(49260)	(46342)	(34253)	(39632)
NOV
20...	1.6	2.3	.43	<.3	<1	173	.8	1	<.002	.007	<.002	<.005	.106
DEC
07...	1.8	2.0	1.51	.4	<1	161	1.2	9	<.002	<.004	<.002	<.005	.109
JAN
30...	--	--	--	E.3	--	144	1.4	--	<.006	.010	<.004	<.005	.037
30...	--	--	--	E.3	--	142	1.4	--	<.006	.009	<.004	<.005	.035
FEB
13...	--	--	--	.5	--	132	1.2	--	<.006	.009	<.004	<.005	.052
13...	--	--	--	--	--	--	--	--	<.006	<.006	<.004	<.005	<.007
MAR
06...	--	--	--	.5	--	188	<.2	--	<.006	.018	<.004	<.005	.087
20...	--	--	--	.5	--	165	<.2	--	<.006	<.006	<.004	<.005	.061
20...	--	--	--	<.3	--	.09	<.2	--	--	--	--	--	--
APR
10...	--	--	--	<.3	--	154	1.2	--	<.006	<.006	.008	<.005	.072
25...	--	--	--	.6	--	174	1.3	--	<.006	.021	<.004	<.005	.800
25...	--	--	--	--	--	--	--	--	<.006	<.006	<.004	<.005	<.007
MAY
07...	--	--	--	E.3	--	114	1.5	--	<.006	.121	.005	<.005	1.75
29...	--	--	--	E.3	--	125	1.2	--	<.006	.160	.008	<.005	1.74
JUN
12...	--	--	--	E.3	--	173	1.4	--	<.006	.256	.012	<.005	2.52
12...	--	--	--	--	--	--	--	--	--	--	--	--	--
26...	--	--	--	.3	--	149	.9	--	<.006	.297	.014	<.005	1.31
26...	--	--	--	.4	--	148	.9	--	<.006	.292	.012	<.005	1.25
JUL
17...	--	--	--	.5	--	161	1.1	--	<.006	.130	.010	<.005	1.31
17...	--	--	--	<.3	--	<.08	<.2	--	--	--	--	--	--
AUG
08...	.3	2.7	.98	<.3	<1	145	1.4	<1	<.006	.024	.005	<.005	.538
SEP
10...	--	--	--	.4	--	116	1.7	--	<.006	.011	<.004	<.005	.265
10...	--	--	--	.5	--	115	1.4	--	<.006	.011	<.004	<.005	.262

BEN-

CAR-

CARBO-

DEETHYL

DISUL-

ETHAL-

FLUR-

BUTYL-

BARYL

FURAN

CYANA-

DCPA

ATRA-

FOTON

EPTC

FLUR-

ALIN

ATE,

WATER

CHLOR-

ZINE,

WATER

ZINE,

DI-

WATER

ALIN

WAT FLD

WATER,

FLTRD

PYRIFOS

WATER,

FLTRD

WATER,

AZINON,

ELDRIN

FLTRD

WAT FLT

0.7 U

DISS,

0.7 U

DIS-

DISS,

0.7 U

DISS,

DIS-

0.7 U

DATE

GF, REC

REC

GF, REC

SOLVED

REC

GF, REC

REC

SOLVED

GF, REC

(UG/L)

(82673)

(04028)

(82680)

(82674)

(38933)

(04041)

(82682)

(04040)

(39572)

(39381)

(82677)

(82668)

(82663)

NOV

20...

<.010

<.002

<.041

<.020

E.001

<.018

<.003

E.041

<.005

<.02

<.002

<.009

DEC

07...

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.022

<.005

<.02

<.002

<.009

JAN

30...

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.015

<.005

<.02

<.002

<.009

30...

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.015

<.005

<.02

<.002

<.009

FEB

13...

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.023

<.005

<.02

<.002

<.009

13...

<.010

<.002

<.041

<.020

<.005

<.018

<.003

<.006

<.005

<.02

<.002

<.009

MAR

06...

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.014

<.005

<.02

<.002

<.009

20...

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.007

<.005

<.02

<.002

<.009

20...

APR

10...

<.010

<.002

E.004

<.020

<.005

<.018

<.003

E.008

E.003

<.005

<.02

<.002

<.009

25...

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.028

<.005

<.02

<.002

<.009

25...

<.010

<.002

<.041

<.020

<.005

<.018

<.003

<.006

<.005

<.02

<.002

<.009

MAY

07...

<.010

<.002

E.003

<.020

<.005

E.006

<.003

E.053

.006

<.005

<.02

<.002

<.009

29...

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.110

.006

<.005

<.02

<.002

<.009

JUN

12...

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.098

.006

<.005

<.02

<.002

<.009

12...

26...

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.205

E.004

<.005

<.02

<.002

<.009

26...

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.205

E.004

<.005

<.02

<.002

<.009

JUL

17...

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.133

E.003

<.005

<.02

<.002

<.009

17...

AUG

08...

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.068

<.005

<.02

<.002

<.009

SEP

10...

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.050

<.005

<.02

<.002

<.009

10...

<.010

<.002

<.041

<.020

<.005

<.018

<.003

E.054

<.005

<.02

<.002

<.009

ETHO-

LIN-

METHYL

MOL-

NAPROP-

PROP

URON

AZIN-

PARA-

METRI-

INATE

AMIDE

WATER

FONOFOS

WATER

MALA-

PHOS

THION

METO-

BUZIN

WATER

PARA-

FLTRD

WATER

LINDANE

FLTRD

THION,

WAT FLT

LACHLOR

SENCOR

FLTRD

P,P'

THION,

0.7 U

DISS

DIS-

0.7 U

DIS-

0.7 U

WATER

0.7 U

DDE

DIS-

DATE

GF, REC

REC

SOLVED

GF, REC

SOLVED

GF, REC

DISSOLV

GF, REC

DISSOLV

SOLVED

(UG/L)

(82672)

(04095)

(39341)

(82666)

(39532)

(82686)

(82667)

(39415)

(82630)

(82671)

(82684)

(34653)

(39542)

NOV

20...

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.034

<.006

<.002

<.007

<.003

<.007

DEC

07...

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.024

.012

<.002

<.007

<.003

<.007

JAN

30...

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.014

<.006

<.002

<.007

<.003

<.010

30...

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.013

<.006

<.002

<.007

<.003

<.010

FEB

13...

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.033

.006

<.002

<.007

<.003

<.010

13...

<.005

<.003

<.004

<.035

<.027

<.050

<.006

<.013

<.006

<.002

<.007

<.003

<.010

MAR

06...

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.034

<.006

<.002

<.007

<.003

<.010

20...

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.026

<.006

<.002

<.007

<.003

<.010

20...

APR

10...

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.028

<.006

<.002

<.007

<.003

<.010

25...

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.101

<.006

<.002

<.007

<.003

<.010

25...

<.005

<.003

<.004

<.035

<.027

<.050

<.006

<.013

<.006

<.002

<.007

<.003

<.010

MAY

07...

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.310

.013

<.002

<.007

<.003

<.010

29...

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.348

.014

<.002

<.007

<.003

<.010

JUN

12...

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.404

.010

<.002

<.007

<.003

<.010

12...

26...

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.588

.010

<.002

<.007

<.003

<.010

26...

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.569

.009

<.002

<.007

<.003

<.010

JUL

17...

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.245

<.006

<.002

<.007

<.003

<.010

17...

AUG

08...

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.070

<.006

<.002

<.007

<.003

<.010

SEP

10...

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.075

<.006

<.002

<.007

<.003

<.010

10...

<.005

<.003

<.004

<.035

<.027

<.050

<.006

.071

<.006

<.002

<.007

<.003

<.010

PEB-

PENDI-

PER-

PRON-

PRO-

TEBU-

TER-

ULATE

METH-

METHRIN

PHORATE

PRO-

AMIDE

PROPA-

PANIL

PARGITE

SI-

THIURON

BACIL

BUFOS

WATER

ALIN

CIS

WATER

METON,

WATER

CHLOR,

WATER

MAZINE,

WATER

FILTRD

WAT FLT

FLTRD

WATER,

FLTRD

WATER,

FLTRD

WATER,

FLTRD

0.7 U

DISS,

0.7 U

DISS,

0.7 U

DISS,

0.7 U

DATE

GF, REC

REC

GF, REC

REC

GF, REC

REC

GF, REC

(UG/L)

(82669)

(82683)

(82687)

(82664)

(04037)

(82676)

(04024)

(82679)

(82685)

(04035)

(82670)

(82665)

(82675)

NOV

20...

<.002

<.010

<.006

<.011

<.004

<.010

<.011

<.02

.043

<.02

E.011

<.02

DEC

07...

<.002

<.010

<.006

<.011

E.01

<.004

<.010

<.011

<.02

.743

E.01

<.034

<.02

JAN

30...

<.004

<.022

<.006

<.011

E.01

<.004

<.010

<.011

<.02

.038

E.01

<.034

<.02

30...

<.004

<.022

<.006

<.011

E.01

<.004

<.010

<.011

<.02

.038

E.01

<.034

<.02

FEB

13...

<.004

<.022

<.006

<.011

E.01

<.004

.011

<.011

<.02

.137

E.01

<.034

<.02

13...

<.004

<.022

<.006

<.011

<.01

<.004

<.010

<.011

<.02

<.005

<.02

<.034

<.02

MAR

06...

<.004

<.022

<.006

<.011

<.01

<.004

<.010

<.011

<.02

.075

<.02

<.034

<.02

20...

<.004

<.022

<.006

<.011

<.01

<.004

<.010

<.011

<.02

.083

E.01

<.034

<.02

20...

APR

10...

<.004

<.022

<.006

<.011

<.004

<.010

<.011

<.02

.050

E.01

<.034

<.02

25...

<.004

<.022

<.006

<.011

<.01

<.004

<.010

<.011

<.02

.263

<.02

<.034

<.02

25...

<.004

<.022

<.006

<.011

<.01

<.004

<.010

<.011

<.02

<.005

<.02

<.034

<.02

MAY

07...

<.004

<.022

<.006

<.011

E.01

<.004

<.010

<.011

<.02

.304

E.01

<.034

<.02

29...

<.004

<.022

<.006

<.011

.02

<.004

<.010

<.011

<.02

.236

E.01

<.034

<.02

JUN

12...

<.004

<.022

<.006

<.011

E.01

<.004

<.010

<.011

<.02

.280

<.02

<.034

<.02

12...

26...

<.004

<.022

<.006

<.011

.02

<.004

<.010

<.011

<.02

.155

E.01

<.034

<.02

26...

<.004

<.022

<.006

<.011

.02

<.004

<.010

<.011

<.02

.149

E.01

<.034

<.02

JUL

17...

<.004

<.022

<.006

<.011

.02

<.004

<.010

<.011

<.02

.129

E.01

<.034

<.02

17...

AUG

08...

<.004

<.022

<.006

<.011

E.01

<.004

<.010

<.011

<.02

.062

.02

<.034

<.02

SEP

10...

<.004

<.022

<.006

<.011

E.01

<.007

<.010

<.011

<.02

.026

.02

<.034

<.02

10...

<.004

<.022

<.006

<.011

E.01

<.004

<.010

<.011

<.02

.024

.02

<.034

<.02

	THIO-	TRIAL-	TRI-		SED.
	BENCARB	LATE	FLUR-	URANIUM	SUSP.
	WATER	WATER	ALIN	NATURAL	SIEVE	SEDI-
	FLTRD	FLTRD	WAT FLT	DIS-	DIAM.	MENT,
	0.7 U	0.7 U	0.7 U	SOLVED	% FINER	SUS-
DATE	GF, REC	GF, REC	GF, REC	(UG/L	THAN	PENDED
	(UG/L)	(UG/L)	(UG/L)	AS U)	.062 MM	(MG/L)
	(82681)	(82678)	(82661)	(22703)	(70331)	(80154)
NOV
20...	<.005	<.002	<.009	.67	98	15
DEC
07...	<.005	<.002	<.009	.36	97	138
JAN
30...	<.005	<.002	<.009	--	89	231
30...	<.005	<.002	<.009	--	--	--
FEB
13...	<.005	<.002	<.009	--	97	75
13...	<.005	<.002	<.009	--	--	--
MAR
06...	<.005	<.002	<.009	--	98	36
20...	<.005	<.002	<.009	--	88	155
20...	--	--	--	--	--	--
APR
10...	<.005	<.002	<.009	--	96	153
25...	<.005	<.002	<.009	--	91	162
25...	<.005	<.002	<.009	--	--	--
MAY
07...	<.005	<.002	<.009	--	95	141
29...	<.005	<.002	<.009	--	97	68
JUN
12...	<.005	<.002	<.009	--	100	131
12...	--	--	--	--	--	--
26...	<.005	<.002	<.009	--	100	22
26...	<.005	<.002	<.009	--	--	--
JUL
17...	<.005	<.002	<.009	--	98	31
17...	--	--	--	--	--	--
AUG
08...	<.005	<.002	<.009	.31	100	16
SEP
10...	<.005	<.002	<.009	--	98	12
10...	<.005	<.002	<.009	--	--	--

REMARK CODES: E--Laboratory estimated value.
M--Presence of material verified but not quantified.
<--Numberic result is less than the value shown.