Water-Quality Assessment of the Sacramento River
Basin, California: Water-Quality, Sediment and Tissue
Chemistry, and Biological Data, 1995-1998
(Open-File Report 2000-391)

Quality Control
Spike Data: Surface Water

Pesticides in filtered water (0.7 micrometer glass fiber filter) measured by
gas chromatography /mass spectrometry

Number of significant figures do not reflect analytical method
reporting levels.

[Cannot Calculate - Recovery of pesticide cannot be calculated because of estimated analytical values]

Site Identification	Date	Time	2,6-Diethylaniline (Percent Recovery)	Acetochlor (Percent Recovery)	Alachlor (Percent Recovery)	Atrazine (Percent Recovery)	Methyl Azinphos (Percent Recovery)	Benfluralin (Percent Recovery)	Butylate (Percent Recovery)	Carbaryl (Percent Recovery)	Carbofuran (Percent Recovery)	Chlorpyrifos (Percent Recovery)	Cyanazine (Percent Recovery)	DCPA (Percent Recovery)	Desethyl Atrazine (Percent Recovery)	Diazinon (Percent Recovery)	Dieldrin (Percent Recovery)	Disulfoton (Percent Recovery)	EPTC (Percent Recovery)	Ethalfluralin (Percent Recovery)	Ethoprop (Percent Recovery)	Fonofos (Percent Recovery)	Lindane (Percent Recovery)	Linuron (Percent Recovery)	Malathion (Percent Recovery)	Metolachlor (Percent Recovery)	Metribuzin (Percent Recovery)	Molinate (Percent Recovery)	Napropamide (Percent Recovery)	Parathion (Percent Recovery)	Methyl Parathion (Percent Recovery)	Pebulate (Percent Recovery)	Pendimethalin (Percent Recovery)	Phorate (Percent Recovery)	Prometon (Percent Recovery)	Propachlor (Percent Recovery)	Propanil (Percent Recovery)	Propargite (Percent Recovery)	Pronamide (Percent Recovery)	Simazine (Percent Recovery)	Tebuthiuron (Percent Recovery)	Terbacil (Percent Recovery)	Terbufos (Percent Recovery)	Thiobencarb (Percent Recovery)	Triallate (Percent Recovery)	Trifluralin (Percent Recovery)	Alpha-BHC (Percent Recovery)	Permethrin (Percent Recovery)	p,p'-DDE (Percent Reovery)
Colusa Basin Drain at Road 99E near Knights Landing, CA	2/18/97	1133	88	99	104	104	Cannot Calculate	93	98	Cannot Calculate	Cannot Calculate	103	121	104	Cannot Calculate	99	89	84	97	103	99	99	90	87	112	109	95	109	100	117	106	98	102	81	113	120	112	84	107	105	120	Cannot Calculate	94	101	93	99	102	36	57
Sacramento River at Freeport, CA	3/11/97	1053	88	106	118	111	Cannot Calculate	95	98	Cannot Calculate	Cannot Calculate	104	131	122	Cannot Calculate	101	95	50	96	101	97	96	105	86	105	124	105	105	112	116	95	100	99	53	119	129	113	80	113	114	158	Cannot Calculate	84	100	92	99	101	59	82
Colusa Basin Drain at Road 99E near Knights Landing, CA	11/12/97	1133	91	99	101	95	Cannot Calculate	97	102	Cannot Calculate	Cannot Calculate	81	128	93	Cannot Calculate	100	102	45	106	129	106	85	79	104	108	112	112	101	78	123	162	107	103	55	104	109	109	92	97	91	120	Cannot Calculate	77	98	102	123	88	33	42
Arcade Creek near Del Paso Heights, CA	11/14/97	0903	77	92	88	79	Cannot Calculate	79	94	Cannot Calculate	Cannot Calculate	63	98	76	Cannot Calculate	40	86	42	101	122	99	80	81	40	71	102	127	102	79	139	179	105	66	40	74	109	104	60	101	62	100	Cannot Calculate	45	84	87	95	84	20	37
Arcade Creek near Del Paso Heights, CA	3/9/98	1003	83	94	99	87	Cannot Calculate	85	118	Cannot Calculate	Cannot Calculate	85	88	95	Cannot Calculate	67	107	69	88	103	94	88	96	67	71	90	82	91	98	106	102	95	87	80	22	93	96	78	102	74	36	Cannot Calculate	110	86	91	93	101	16	43
Sacramento River at Freeport, CA	3/19/98	1103	80	95	96	93	Cannot Calculate	80	90	Cannot Calculate	Cannot Calculate	85	95	102	Cannot Calculate	82	93	68	85	96	81	84	94	71	92	99	92	90	94	96	91	89	90	74	84	97	90	91	93	91	117	Cannot Calculate	82	93	80	82	91	24	54

Water-Quality Assessment of the Sacramento River Basin, California: Water-Quality, Sediment and Tissue Chemistry, and Biological Data, 1995-1998 (Open-File Report 2000-391)

Quality Control Spike Data: Surface Water

Water-Quality Assessment of the Sacramento River
Basin, California: Water-Quality, Sediment and Tissue
Chemistry, and Biological Data, 1995-1998
(Open-File Report 2000-391)

Quality Control
Spike Data: Surface Water