05572000 DATA: SW_QUAL_TBL

Station list Available data
ILLINOIS RIVER BASIN

05572000 SANGAMON RIVER AT MONTICELLO, IL


LOCATION.-- Lat 40°01'51", long 88°35'20" (NAD of 1927), in NE1/4SW1/4 sec.12, T.18 N., R.5 E., Piatt County, Hydrologic Unit 07130006, on right downstream side of highway bridge, 0.5 mi west of Monticello, and at mile 162.2.

DRAINAGE AREA.-- 550 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
	DISCHARGE: February 1908 to December 1912, June 1914 to current year. Monthly discharge only for some periods, published in WSP 1308. Published as "near Monticello" 1910-12.
	STAGE: Water years 1994 to current year.
SURFACE-WATER QUALITY
	CHEMICAL: Water years 1990-92, 1997-98, and 2001 to current year.
	MISCELLANEOUS: Water years 2004 and 2005; Contaminants in streambed sediments, July 1996; contaminants in fish tissue, July 1996; streambank sediment size, October 1997; streambed sediment size, October 1997.
BIOLOGICAL
	ALGAE: Water years 1996-98 and 2002-05.
	BENTHIC MACROINVERTEBRATES: Water years 1996-98 and 2002-05.
	FISH: Water years 1997-98 and 2002-05
	HABITAT: Water years 1996-98 and 2002-05.

REVISED RECORDS.-- WSP 525: 1920. WSP 1115: 1946-47. WSP 1208: 1915-16, 1918-20, 1927, 1929, 1939. WSP 1508: 1908(M), 1917, 1928(M). WDR IL-81-2: 1909(P), 1912(P), 1915(P), 1919-32(P), 1935(P), 1937-38(P), 1940-41(P), 1944(P), 1946-47(P). WDR IL-89-2: 1988.

GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 625.89 ft above NGVD of 1929 (625.66 ft NAVD 1988). Prior to Sept. 30, 1964, nonrecording gage at site 0.2 mi downstream at same datum. Oct. 1, 1964, to Oct. 22, 1971, nonrecording gage at present site and datum.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 19,000 ft³/s, Oct. 4, 1926, gage height, 18.50 ft, from graph based on gage readings, site then in use; maximum gage height, 19.06 ft, Apr. 13, 1994, discharge, 15,900 ft³/s; no flow Aug. 28, Sept. 5, 11, 17, 18, Oct. 30, 31, Nov. 1, 1988.

REMARKS FOR CURRENT YEAR.--Sampled as part of the Lower Illinois River Basin (LIRB) National Water Quality Assessment Program (NAWQA). Sample of Aug. 5 at 1335 taken as part of the Midwestern "Landscape Indicators for Pesticides, Nutrients, and Biological Organisms in Small Streams" synoptic study (USEPA).

SURFACE-WATER QUALITY

									Dis-	pH,	Specif.
		Agency	Agency		Instan-		Baro-		solved	water,	conduc-
		col-	ana-		taneous	Sam-	metric	Dis-	oxygen,	unfltrd	tance,	Temper-	Temper-
		lecting	lyzing	Gage	dis-	pling	pres-	solved	percent	field,	wat unf	ature,	ature,
Date	Time	sample,	sample,	height,	charge,	method,	sure,	oxygen,	of sat-	std	uS/cm	air,	water,
		code	code	feet	cfs	code	mm Hg	mg/L	uration	units	25 degC	deg C	deg C
		(00027)	(00028)	(00065)	(00061)	(82398)	(00025)	(00300)	(00301)	(00400)	(00095)	(00020)	(00010)
OCT 2003
07...	0910	81700	80020	5.41	51	10	745	12.2	113	8.2	690	20.5	12.1
DEC
04...	0940	81700	80020	8.43	443	10	745	13.5	106	8.4	708	2.0	4.8
FEB
17...	0930	81700	80020	6.26	147	10	751	16.7	115	7.7	749	-1.0	.0
APR
21...	0850	81700	80020	7.71	353	10	734	8.5	87	8.2	653	17.0	16.2
MAY
20...	0935	81700	80020	11.61	1530	10	746	8.9	94	7.9	601	27.0	18.0
JUN
08...	0900	81700	80020	8.91	581	10	747	9.1	100	8.1	675	28.0	21.1
JUL
16...	0820	81700	80020	8.46	493	40	742	7.3	84	7.4	627	24.0	22.1
AUG
05...	1330	81700	80020	5.31	82	40	749	6.8	81	7.6	678	25.5	23.6
05...	1335	81700	80020	5.31	82	40	749	6.8	81	7.6	678	25.5	23.6

					Alka-	Bicar-	Carbon-					Residue	Ammonia
					linity,	bonate,	ate,					on	+
		Magnes-	Potas-		wat flt	wat flt	wat flt	Chlor-	Fluor-			evap.	org-N,
	Calcium	ium,	sium,	Sodium,	inc tit	incrm.	incrm.	ide,	ide,	Silica,	Sulfate	at	water,
	water,	water,	water,	water,	field,	titr.,	titr.,	water,	water,	water,	water,	180degC	fltrd,
Date	fltrd,	fltrd,	fltrd,	fltrd,	mg/L as	field,	field,	fltrd,	fltrd,	fltrd,	fltrd,	wat flt	mg/L
	mg/L	mg/L	mg/L	mg/L	CaCO₃	mg/L	mg/L	mg/L	mg/L	mg/L	mg/L	mg/L	as N
	(00915)	(00925)	(00935)	(00930)	(39086)	(00453)	(00452)	(00940)	(00950)	(00955)	(00945)	(70300)	(00623)
OCT
07...	--	--	--	--	263	314	2.8	36.9	--	--	38.4	--	--
DEC
04...	--	--	--	--	247	E300	<1.0	31.9	--	--	37.3	--	--
FEB
17...	--	--	--	--	272	329	1.4	44.4	--	--	46.0	--	--
APR
21...	--	--	--	--	230	278	<1.0	33.4	--	--	38.8	--	--
MAY
20...	--	--	--	--	201	244	<1.0	27.5	--	--	25.9	--	--
JUN
08...	--	--	--	--	253	305	1.4	27.2	--	--	32.3	--	--
JUL
16...	--	--	--	--	241	288	2.6	26.7	--	--	27.7	--	--
AUG
05...	--	--	--	--	261	314	2.2	39.1	--	--	46.4	--	--
05...	78.3	37.1	1.6	16.3	261	314	2.2	38.4	.21	8.28	46.4	406	.3

	Ammonia		Nitrite		Ortho-			Total				1-	2,6-Di-
	+		+		phos-			nitro-			1,4-Di-	Methyl-	ethyl-
	org-N,	Ammonia	nitrate	Nitrite	phate,	Phos-	Phos-	gen,		Mangan-	chloro-	naphth-	aniline
	water,	water,	water	water,	water,	phorus,	phorus,	wat unf	Iron,	ese,	benzene	alene,	water
	unfltrd	fltrd,	fltrd,	fltrd,	fltrd,	water,	water,	by anal	water,	water,	water,	water,	fltrd
Date	mg/L	mg/L	mg/L	mg/L	mg/L	fltrd,	unfltrd	ysis,	fltrd,	fltrd,	fltrd,	fltrd,	0.7u GF
	as N	as N	as N	as N	as P	mg/L	mg/L	mg/L	ug/L	ug/L	ug/L	ug/L	ug/L
	(00625)	(00608)	(00631)	(00613)	(00671)	(00666)	(00665)	(62855)	(01046)	(01056)	(34572)	(62054)	(82660)
OCT
07...	--	<.04	5.56d	.01	.051	--	.108	6.31d	--	--	--	--	<.006
DEC
04...	--	<.04	8.56d	.01	.033	--	.060	8.95d	--	--	--	--	<.006
FEB
17...	--	<.04	6.98d	.02	.023	--	.040	7.55d	--	--	--	--	<.006
APR
21...	--	<.04	8.34d	.07	.013	--	.102	9.42d	--	--	--	--	<.006
MAY
20...	--	<.04	12.5d	.05	.074	--	.209oc	13.4d	--	--	--	--	<.006
JUN
08...	--	<.04	12.0*d	.03	.064	--	.148	11.7*d	--	--	--	--	<.006
JUL
16...	--	<.04	7.67d	.02	.075	--	.162	6.91d	--	--	--	--	<.006
AUG
05...	--	<.04	2.40	.01	.097	--	.181	2.85	--	--	--	--	<.006
05...	.5	<.04	2.40	.01	.08	.115	.176	--	E5.1n	55.7	<.5mc	<.5	--

	2,6-Di-	2-[(2-		2-		3-	3-tert-					5-Meth-
	methyl-	Ethyl-		Methyl-	3-beta-	Methyl-	Butyl-	4-	4-	4-	4-tert-	yl-1H-	9,10-
	naphth-	6methyl		naphth-	Copros-	1H-	4-hy-	Cumyl-	Octyl-	Nonyl-	Octyl-	benzo-	Anthra-
	alene,	phenyl)	CIAT,	alene,	tanol,	indole,	droxy-	phenol,	phenol,	phenol,	phenol,	tri-	quinone
	water,	amino]2	water,	water,	water,	water,	anisole	water,	water,	water,	water,	azole,	water,
Date	fltrd,	oxoESA	fltrd,	fltrd,	fltrd,	fltrd,	wat flt	fltrd,	fltrd,	fltrd,	fltrd,	wat flt	fltrd,
	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
	(62055)	(62850)	(04040)	(62056)	(62057)	(62058)	(62059)	(62060)	(62061)	(62085)	(62062)	(62063)	(62066)
OCT
07...	--	--	E.0499	--	--	--	--	--	--	--	--	--	--
DEC
04...	--	--	E.013	--	--	--	--	--	--	--	--	--	--
FEB
17...	--	--	E.034	--	--	--	--	--	--	--	--	--	--
APR
21...	--	--	E.044	--	--	--	--	--	--	--	--	--	--
MAY
20...	--	--	E.169	--	--	--	--	--	--	--	--	--	--
JUN
08...	--	--	E.149	--	--	--	--	--	--	--	--	--	--
JUL
16...	--	--	E.075	--	--	--	--	--	--	--	--	--	--
AUG
05...	--	--	E.046	--	--	--	--	--	--	--	--	--	--
05...	<.5	<.020	--	<.5	<2.0	<1.0	<5.0mc	<1.0	<1.0	<5.0mc	<1.0	<2.0	<.5

	Aceto-	Aceto-						Ala-	Ala-
	chlor	chlor	Aceto-				Ala-	chlor	chlor	Ala-
	ESA,	OA,	chlor	Aceto-	Aceto-		chlor	ESA,	OA,	chlor	Ala-	alpha-	Anthra-
	water,	water,	SAA,	chlor,	phenone	AHTN,	ESA SA,	water,	water,	SAA,	chlor,	HCH,	cene,
	fltrd	fltrd	water,	water,	water,	water,	water,	fltrd	fltrd	water,	water,	water,	water,
Date	0.7u GF	0.7u GF	fltrd,	fltrd,	fltrd,	fltrd,	fltrd,	0.7u GF	0.7u GF	fltrd,	fltrd,	fltrd,	fltrd,
	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
	(61029)	(61030)	(62847)	(49260)	(62064)	(62065)	(62849)	(50009)	(61031)	(62848)	(46342)	(34253)	(34221)
OCT
07...	--	--	--	E.004n	--	--	--	--	--	--	<.004	<.0046	--
DEC
04...	--	--	--	<.006	--	--	--	--	--	--	<.005	<.005	--
FEB
17...	--	--	--	<.006	--	--	--	--	--	--	<.005	<.005	--
APR
21...	--	--	--	.048	--	--	--	--	--	--	<.005	<.005	--
MAY
20...	--	--	--	.546	--	--	--	--	--	--	.055	<.005	--
JUN
08...	--	--	--	.084	--	--	--	--	--	--	<.005	<.005	--
JUL
16...	--	--	--	.017	--	--	--	--	--	--	<.005	<.005	--
AUG
05...	--	--	--	.007	--	--	--	--	--	--	<.005	<.005	--
05...	.230	.070	<.020	--	<.5	<.5	<.020	.080	.030	<.020	--	--	<.5

		Azin-	Ben-
		phos-	flur-	Benzo-		beta-	beta-						Car-
	Atra-	methyl,	alin,	[a]-	Benzo-	Sitos-	Stigma-	Bisphe-	Broma-	Butyl-	Caf-		baryl,
	zine,	water,	water,	pyrene,	phenone	terol,	stanol,	nol A,	cil,	ate,	feine,	Camphor	water,
	water,	fltrd	fltrd	water,	water,	water,	water,	water,	water,	water,	water,	water,	fltrd
Date	fltrd,	0.7u GF	0.7u GF	fltrd,	fltrd,	fltrd,	fltrd,	fltrd,	fltrd,	fltrd,	fltrd,	fltrd,	0.7u GF
	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
	(39632)	(82686)	(82673)	(34248)	(62067)	(62068)	(62086)	(62069)	(04029)	(04028)	(50305)	(62070)	(82680)
OCT
07...	.157	<.05	<.010	--	--	--	--	--	--	<.002	--	--	<.041
DEC
04...	.110	<.050	<.010	--	--	--	--	--	--	<.004	--	--	<.041
FEB
17...	E.087	<.050	<.010	--	--	--	--	--	--	<.004	--	--	<.041
APR
21...	.299	<.050	<.010	--	--	--	--	--	--	<.004	--	--	<.041
MAY
20...	8.68	<.050	<.010	--	--	--	--	--	--	<.004	--	--	<.041
JUN
08...	1.67	<.050	<.010	--	--	--	--	--	--	<.004	--	--	<.041
JUL
16...	.538	<.050	<.010	--	--	--	--	--	--	<.004	--	--	<.041
AUG
05...	.223	<.050	<.010	--	--	--	--	--	--	<.004	--	--	<.041
05...	--	--	--	<.5	<.5	<2.0	<2.0	<1.0	<.5	--	<.5	<.5	<1.0mc

cis-

Desulf-

Di-

Carbo-

Per-

inyl

ethoxy-

Carba-

furan,

Chlor-

Choles-

methrin

Cot-

Cyana-

DCPA,

fipro-

Diazi-

Diel-

nonyl-

zole,

water,

pyrifos

terol,

water

inine,

zine,

water

DEET,

nil,

non,

drin,

phenol,

water,

fltrd

water,

fltrd

water,

fltrd

water,

Date

fltrd,

0.7u GF

fltrd,

0.7u GF

fltrd,

0.7u GF

fltrd,

ug/L

(62071)

(82674)

(38933)

(62072)

(82687)

(62005)

(04041)

(82682)

(62082)

(62170)

(39572)

(39381)

(62083)

OCT

07...

<.020

<.005

<.006

<.018

<.0030

<.004

<.005

<.0048

DEC

04...

<.020

<.005

<.006

<.018

<.003

<.012

<.005

<.009

FEB

17...

<.020

<.005

<.006

<.018

<.003

<.012

<.005

<.009

APR

21...

<.020

<.005

<.006

<.018

<.003

<.012

<.005

<.009

MAY

20...

<.020

.007

<.006

<.018

<.003

<.012

<.005

<.009

JUN

08...

E.043

<.005

<.006

<.018

<.003

<.012

<.005

E.006*n

JUL

16...

E.053

<.005

<.006

<.018

<.003

<.012

<.005

<.009

AUG

05...

<.020

<.005

<.006

<.018

<.003

<.012

<.005

<.009

05...

<.5

<2.0

<1.0

E.18t

<.5

<5.0mc

Di-

Ethal-

Desulf-

ethoxy-

Dimeth-

Disul-

flur-

Etho-

Ethoxy-

inyl-

Fipro-

octyl-

enamid

Dimeth-

foton,

D-Limo-

EPTC,

alin,

prop,

octyl-

fipro-

nil

phenol,

ESA,

OA,

enamid

water,

nene,

water,

phenol,

nil

sulfide

sulfone

water,

fltrd

water,

fltrd

water,

amide,

water,

Date

fltrd

fltrd,

0.7u GF

fltrd,

0.7u GF

fltrd

wat flt

fltrd,

ug/L

(61705)

(61951)

(62482)

(61588)

(82677)

(62073)

(82668)

(82663)

(82672)

(61706)

(62169)

(62167)

(62168)

OCT

07...

<.021

<.0020

<.009

<.005

<.009

<.005

DEC

04...

<.021

<.004

<.009

<.005

<.029

<.013

<.024

FEB

17...

<.021

<.004

<.009

<.005

<.029

<.013

<.024

APR

21...

<.021

<.004

<.009

<.005

<.029

<.013

<.024

MAY

20...

<.021

<.004

<.009

<.005

<.029

<.013

<.024

JUN

08...

<.021

<.004

<.009

<.005

<.029

<.013

<.024

JUL

16...

<.021

<.004

<.009

<.005

<.029

<.013

<.024

AUG

05...

<.021

<.004

<.009

<.005

<.029

<.013

<.024

05...

<1.0mc

.080

<.020

<.5mc

<1.0mc

		Flufen-	Flufe-								Iso-	Iso-
	Fipro-	acet	nacet	Flufe-	Fluor-				Isobor-	Iso-	propyl-	quin-
	nil,	ESA,	OA,	nacet,	anthene	Fonofos	HHCB,	Indole,	neol,	phorone	benzene	oline,	Lindane
	water,	water,	water,	water,	water,	water,	water,	water,	water,	water,	water,	water,	water,
Date	fltrd,	fltrd,	fltrd,	fltrd,	fltrd,	fltrd,	fltrd,	fltrd,	fltrd,	fltrd,	fltrd,	fltrd,	fltrd,
	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
	(62166)	(61952)	(62483)	(62481)	(34377)	(04095)	(62075)	(62076)	(62077)	(34409)	(62078)	(62079)	(39341)
OCT
07...	<.007	--	--	--	--	<.0027	--	--	--	--	--	--	<.0040
DEC
04...	<.016	--	--	--	--	<.003	--	--	--	--	--	--	<.004
FEB
17...	<.016	--	--	--	--	<.003	--	--	--	--	--	--	<.004
APR
21...	<.016	--	--	--	--	<.003	--	--	--	--	--	--	<.004
MAY
20...	<.016	--	--	--	--	<.003	--	--	--	--	--	--	<.004
JUN
08...	<.016	--	--	--	--	<.003	--	--	--	--	--	--	<.004
JUL
16...	<.016	--	--	--	--	<.003	--	--	--	--	--	--	<.004
AUG
05...	<.016	--	--	--	--	<.003	--	--	--	--	--	--	<.004
05...	--	<.020	<.020	<.020	<.5	--	<.5	<.5	<.5	<.5	<.5mc	<.5	--

Methyl

Metola-

para-

Methyl

chlor

Moli-

Naprop-

Linuron

Mala-

Meta-

thion,

salicy-

ESA,

OA,

Metola-

Metri-

nate,

Naphth-

amide,

water

thion,

Menthol

laxyl,

water,

late,

water,

chlor,

buzin,

water,

alene,

water,

fltrd

water,

fltrd

water,

fltrd

water,

fltrd

water,

fltrd

Date

0.7u GF

fltrd,

0.7u GF

fltrd,

0.7u GF

fltrd,

0.7u GF

fltrd,

0.7u GF

ug/L

(82666)

(39532)

(62080)

(50359)

(82667)

(62081)

(61043)

(61044)

(39415)

(82630)

(82671)

(34443)

(82684)

OCT

07...

<.035

<.027

<.006

.0368

<.006

<.0016

<.007

DEC

04...

<.035

<.027

<.015

.038

<.006

<.003

<.007

FEB

17...

<.035

<.027

<.015

.038

<.006

<.003

<.007

APR

21...

<.035

<.027

<.015

.259

<.006

<.003

<.007

MAY

20...

<.035

<.027

<.015

1.39

.017

<.003

<.007

JUN

08...

<.035

<.027

<.015

.327

.006

<.003

<.007

JUL

16...

<.035

<.027

<.015

.155

<.006

<.003

<.007

AUG

05...

<.035

<.027

<.015

.044

<.006

<.003

<.007

05...

<.5

1.34

.200

<.5

Pendi-

Propa-

Peb-

meth-

Penta-

Propy-

chlor

p,p'-

Para-

ulate,

alin,

chloro-

Phenan-

Phorate

Prome-

zamide,

ESA,

OA,

DDE,

thion,

Cresol,

water,

phenol,

threne,

Phenol,

water

ton,

water,

fltrd

water,

fltrd

water,

fltrd

Date

fltrd,

0.7u GF

fltrd,

0.7u GF

fltrd,

0.7u GF

ug/L

(34653)

(39542)

(62084)

(82669)

(82683)

(34459)

(34462)

(34466)

(82664)

(04037)

(82676)

(62766)

(62767)

OCT

07...

<.0025

<.010

<.004

<.022

<.011

E.0077n

<.0041

DEC

04...

<.003

<.010

<.004

<.022

<.011

E.004n

<.004

FEB

17...

<.003

<.010

<.004

<.022

<.011

.007

<.004

APR

21...

<.003

<.010

<.004

<.022

<.011

.008

<.004

MAY

20...

<.003

<.010

<.004

E.011t

<.011

.008

<.004

JUN

08...

<.003

<.010

<.004

E.007*t

<.011

.007

<.004

JUL

16...

<.003

<.010

<.004

<.022

<.011

.010

<.004

AUG

05...

<.003

<.010

<.004

<.022

<.011

.010

<.004

05...

<1.0

<2.0mc

<.5

1.1

<.5

<.050

<.020

Tri-

Pro-

Propar-

Tebu-

Terba-

Terbu-

Tetra-

Thio-

Tri-

butyl

Propa-

panil,

gite,

Sima-

thiuron

cil,

fos,

chloro-

bencarb

allate,

bromo-

phos-

chlor,

water,

Pyrene,

zine,

water

water,

ethene,

water

water,

methane

phate,

water,

fltrd

water,

fltrd

water,

fltrd

water,

Date

fltrd,

0.7u GF

fltrd,

0.7u GF

fltrd,

0.7u GF

fltrd,

ug/L

(04024)

(82679)

(82685)

(34470)

(04035)

(82670)

(82665)

(82675)

(34476)

(82681)

(82678)

(34288)

(62089)

OCT

07...

<.010

<.011

<.023

<.005

<.016

<.034

<.017

<.0048

<.0023

DEC

04...

<.025

<.011

<.023

<.005

<.016

<.034

<.017

<.010

<.002

FEB

17...

<.025

<.011

<.023

<.005

<.016

<.034

<.017

<.010

<.002

APR

21...

<.025

<.011

<.023

.010

<.016

<.034

<.017

<.010

<.002

MAY

20...

<.025

<.011

<.023

.026

<.016

<.034

<.017

<.010

<.002

JUN

08...

<.025

<.011

<.023

.020

<.016

<.034

<.017

<.010

<.002

JUL

16...

<.025

<.011

<.023

.008

<.016

<.034

<.017

<.010

<.002

AUG

05...

<.025

<.011

<.023

.157

<.016

<.034

<.017

<.010

<.002

05...

<.5

<.5mc

<.5

			Tri-	Tri-	Tris(2-	Tris(2-	Tris(di		Sus-
		Tri-	flur-	phenyl	butoxy-	chloro-	chloro-	Di-	pended	Number
	Triclo-	ethyl	alin,	phos-	ethyl)	ethyl)	i-Pr)	chlor-	sedi-	of
	san,	citrate	water,	phate,	phos-	phos-	phos-	vos,	ment	sam-
	water,	water,	fltrd	water,	phate,	phate,	phate,	water	concen-	pling	Sampler
Date	fltrd,	fltrd,	0.7u GF	fltrd,	wat flt	wat flt	wat flt	fltrd,	tration	points,	type,
	ug/L	ug/L	ug/L	ug/L	ug/L	ug/L	ug/L	ug/L	mg/L	count	code
	(62090)	(62091)	(82661)	(62092)	(62093)	(62087)	(62088)	(38775)	(80154)	(00063)	(84164)
OCT
07...	--	--	<.009	--	--	--	--	--	68	10	3060
DEC
04...	--	--	<.009	--	--	--	--	--	38	10	3051
FEB
17...	--	--	<.009	--	--	--	--	--	50	11	3060
APR
21...	--	--	<.009	--	--	--	--	--	178	10	3051
MAY
20...	--	--	<.009	--	--	--	--	--	165	10	3051
JUN
08...	--	--	E.005*n	--	--	--	--	--	235	10	3051
JUL
16...	--	--	<.009	--	--	--	--	--	175	6	3060
AUG
05...	--	--	<.009	--	--	--	--	--	121	10	3060
05...	<1.0	<.5	--	<.5	<.5	<.5	<.5	--u	--	10	3060

Remark codes used in this table: < -- Less than
E -- Estimated value Value qualifier codes used in this table: * -- Sample was warm when received
c -- See laboratory comment
d -- Diluted sample: method hi range exceeded
m -- Value is highly variable by this method
n -- Below the LRL and above the LT-MDL
o -- Result determined by alternate method
t -- Below the long-term MDL Null value qualifier codes used in this table: u -- Unable to determine-matrix interference