Table 3.

Chemicals contained in the current use pesticide mixture.

Constituent name	MW	Constituent CAS#	μg in 1 ml	μM	%
Metolachlor	283.8	94449-58-8/51218-45-2	115	0.405	22.77
2,6-Diethylaniline	149.2	579-66-8	1259	8.44	19.76
Molinate	187.3	2212-67-1	139	0.742	19.45
Tebuthiuron	228.3	34014-18-1	65	0.285	14.74
Trifluralin	335.5	1582-09-8/75635-23-3	78	0.232	2.40
Chlorothalonil	265.9	1897-45-6	29	0.109	2.00
Prometon	225.3	1610-18-0	74	0.328	1.42
Butylate	217.4	2008-41-5	193	0.888	1.35
Benfluralin	335.3	1861-40-1	76	0.227	1.31
Alachlor	269.8	15972-60-8	37	0.137	1.23
Ethoprop	242.3	13194-48-4	45	0.186	1.09
Desisopropyl atrazine	173.6	1007-28-9	1,271	7.32	1.04
Metribuzin	214.3	21087-64-9	98	0.457	0.89
Diazinon	304.4	333-41-5	89	0.292	0.79
Disulfoton	274.4	298-04-4	26	0.095	0.77
Aldicarb	190.3	116-06-3	92	0.484	0.74
Methyl parathion	263.2	298-00-0	36	0.137	0.66
Ethalfluralin	333.3	55283-68-6	82	0.246	0.63
Pebulate (Tilliam)	203.4	1114-71-2	56	0.275	0.61
Cyanazine	240.7	21725-46-2/11096-88-1	31	0.129	0.55
Permethrin	391.3	52645-53-1	39	0.1	0.52
Carbofuran	221.3	1563-66-2	85	0.384	0.50
Chlorpyrifos (Dursban)	350.6	2921-88-2	71	0.202	0.48
Prometryne	241.4	7287-19-6/83653-07-0	42	0.174	0.47
Carbaryl	201.2	63-25-2	106	0.527	0.39
Desethyl atrazine	187.6	6190-65-4	1,352	7.21	0.37
Flumetralin	421.7	62924-70-3	81	0.192	0.37
Dacthal	332	65862-98-8/1861-32-1	15	0.045	0.37
Atrazine	215.7	1912-24-9	1178	5.46	0.35
Simazine	201.7	122-34-9	101	0.501	0.35
Terbufos	288.4	13071-79-9	42	0.146	0.35
Fonofos (Dyfonate)	246.3	944-22-9	32	0.13	0.32
Pendimethalin	281.3	40487-42-1	33	0.117	0.29
Fenamiphos	303.4	22224-92-6	54	0.178	0.27
Tribufos (DEF 6)	314.5	78-48-8	41	0.13	0.26
Napropamide	271.4	15299-99-7	37	0.136	0.12
Cumulative value			7200	37.0	100