Trends in Use in Certain Chemicals "Known to Cause Cancer"

Trends in Use in Certain Chemicals
"Known to Cause Cancer"

Table 4A. The reported pounds of pesticides used that are listed by U.S. EPA as B2 carcinogens or that are on the State's Proposition 65 list of chemicals "known to cause cancer". Use includes both agricultural and reportable non-agricultural applications. Data are from the Department of Pesticide Regulation's Pesticide Use Reports with probable errors removed.

Active Ingredient	1991	1992	1993	1994	1995	1996	1997	1998
1,3-DICHLOROPROPENE	13,555	23,998	47,694	2,122	409,821	1,956,846	2,400,930	2,911,385
ACIFLUORFEN, SODIUM SALT	<1	17	6	1	6	11	29	<1
ALACHLOR	88,586	82,046	44,957	42,854	41,119	45,733	51,259	46,264
ARSENIC ACID	98,800	72,182	13,014	27,571	37,206	53,777	59,835	52,558
ARSENIC PENTOXIDE	201,059	262,017	150,200	86,445	83,814	205,089	64,372	50,899
ARSENIC TRIOXIDE	0	<1	<1	<1	<1	<1	<1	1
CACODYLIC ACID	26,044	37,928	51,314	43,685	43,275	31,417	26,060	17,379
CAPTAN	253,452	295,542	483,507	608,658	734,314	918,588	799,878	1,542,664
CHLOROTHALONIL	656,775	824,171	826,918	832,288	1,125,790	1,053,319	779,328	1,181,163
CHROMIC ACID	279,852	364,900	209,555	120,822	117,092	286,521	89,931	71,109
CREOSOTE	318,174	304,448	479,417	871,469	444,461	491,044	259,086	1,752
DAMINOZIDE	7,696	7,636	7,763	6,775	6,763	7,944	11,028	10,306
DDVP	5,466	5,224	3,331	4,798	6,063	13,097	13,636	13,998
DIOCTYL PHTHALATE	10,057	11,164	10,827	11,748	11,838	10,268	8,457	4,749
DIPROPYL ISOCINCHOMERONATE	<1	10	<1	2	1	3	<1	<1
ETHYLENE OXIDE	29	7	1,471	3	0	0	0	31
FENOXYCARB	683	1,194	1,928	1,492	1,673	712	65	552
FOLPET	3	1	3	3	2	<1	<1	<1
FORMALDEHYDE	271,663	5,094	13,322	11,864	153,519	334,548	403,824	305,297
IPRODIONE	350,363	373,968	452,112	431,318	564,127	520,763	424,338	572,287
LINDANE	8,590	8,208	9,715	5,281	4,507	4,576	5,388	6,293
MANCOZEB	283,715	336,371	446,086	464,924	659,240	567,866	526,364	987,270
MANEB	352,155	464,469	625,326	912,903	1,257,122	1,328,318	1,081,124	1,596,876
METAM-SODIUM	4,873,276	8,554,646	8,588,969	11,122,361	14,975,528	15,253,924	14,969,732	13,729,306
METIRAM	0	0	0	0	0	0	0	<1
ORTHO-PHENYLPHENOL	1,335	2,839	6,232	11,027	14,892	10,349	15,962	11,248
ORTHO-PHENYLPHENOL, SODIUM SALT	36,658	64,940	63,741	46,825	30,830	33,539	25,389	32,315
OXADIAZON	17,179	18,122	19,269	20,488	21,458	25,260	23,196	21,959
OXYTHIOQUINOX	5,347	6,829	6,207	4,474	7,172	6,204	2,709	1,576
PARA-DICHLOROBENZENE	108	82	37	3	2	4	3	219
PCP	196,252	107,946	91,123	40	3	3	8	33
POTASSIUM DICHROMATE	2,458	1,705	106	596	380	41	50	103
PROPARGITE	1,291,184	1,702,328	1,653,855	1,742,736	1,770,065	1,743,278	1,816,028	1,385,166
PROPOXUR	4,374	3,187	2,674	2,667	3,296	1,341	1,760	1,604
PROPYLENE OXIDE	111,919	131,091	34,764	41,815	131,593	224,495	198,559	198,595
PROPYZAMIDE	118,828	109,266	110,123	111,797	113,761	106,811	99,292	104,292
SILICA AEROGEL	26,896	8,525	10,052	14,245	12,599	16,216	10,780	8,483
SODIUM DICHROMATE	0	0	0	0	0	180,478	182,185	122,647
THIODICARB	0	0	<1	0	13,679	122,927	156,002	114,785
Total	9,912,531	14,192,102	14,465,619	17,606,103	22,797,011	25,555,309	24,506,588	25,105,164

Table 4B. The reported cumulative acres treated with pesticides listed by U.S. EPA as B2 carcinogens or on the State's Proposition 65 list of chemicals "known to cause cancer". Use includes primarily agricultural applications. The total for acres treated is less than the sum of acres treated for all active ingredients because some products contain more than one active ingredient. Data from the Department of Pesticide Regulation's Pesticide Use Reports with probable errors removed.

Active Ingredient	1991	1992	1993	1994	1995	1996	1997	1998
1,3-DICHLOROPROPENE	91	447	823	33	4,174	17,223	22,193	27,059
ACIFLUORFEN, SODIUM SALT	0	4	7	2	8	<1	0	0
ALACHLOR	33,312	27,472	17,637	16,135	15,359	18,181	19,059	16,430
ARSENIC ACID	0	0	0	0	0	0	0	0
ARSENIC PENTOXIDE	0	103	0	660	0	0	0	0
ARSENIC TRIOXIDE	0	0	0	0	0	0	0	0
CACODYLIC ACID	206,243	283,516	326,027	304,060	315,336	251,414	192,816	126,912
CAPTAN	127,668	134,103	212,563	244,164	295,860	381,989	347,631	602,684
CHLOROTHALONIL	382,812	517,695	535,201	517,357	674,126	674,086	492,219	796,672
CHROMIC ACID	0	103	0	660	0	0	0	0
CREOSOTE	2	0	0	0	0	0	0	126
DAMINOZIDE	2,941	3,113	3,262	2,692	2,659	2,653	3,512	4,510
DDVP	5,530	2,960	683	1,888	1,887	1,499	2,596	3,692
DIOCTYL PHTHALATE	108,525	124,467	125,572	149,314	145,445	127,521	96,208	61,343
DIPROPYL ISOCINCHOMERONATE	0	0	2	50	10	0	0	0
ETHYLENE OXIDE	0	0	0	0	0	0	0	194
FENOXYCARB	30	674	1	5	11	5	<1	210
FOLPET	0	0	3	<1	0	1	2	0
FORMALDEHYDE	106	68	132	15	137	234	12	126
IPRODIONE	549,994	582,227	721,086	656,402	886,077	804,311	666,336	1,348,367
LINDANE	21,409	21,737	26,921	22,984	19,380	25,352	36,573	32,650
MANCOZEB	148,643	186,333	262,758	273,836	405,494	351,801	284,134	682,979
MANEB	216,990	290,011	373,116	512,009	652,122	731,079	624,123	942,083
METAM-SODIUM	63,583	135,606	136,218	183,625	199,457	215,899	198,395	154,309
METIRAM	0	0	0	0	0	0	0	<1
ORTHO-PHENYLPHENOL	40	732	6	4	8	67	75	645
ORTHO-PHENYLPHENOL, SODIUM SALT	733	111	52	88	47	652	0	20
OXADIAZON	2,706	1,317	1,094	1,812	2,400	2,213	1,832	1,933
OXYTHIOQUINOX	8,040	9,407	9,227	6,410	10,000	8,768	5,896	5,306
PARA-DICHLOROBENZENE	<1	0	<1	0	0	0	0	10
PCP	1	1	0	2	<1	15	4	190
POTASSIUM DICHROMATE	0	0	0	0	0	0	0	40
PROPARGITE	767,907	1,006,602	952,438	1,030,485	1,052,358	980,963	989,265	756,098
PROPOXUR	2	8	<1	14	5	9	73	45
PROPYLENE OXIDE	0	10	0	0	0	0	<1	0
PROPYZAMIDE	165,848	156,702	156,678	157,829	155,773	150,791	140,791	144,864
SILICA AEROGEL	5	<1	<1	1	1	1	5	<1
SODIUM DICHROMATE	0	0	0	0	0	0	0	0
THIODICARB	0	0	0	0	22,785	176,788	223,154	155,440
Total	2,797,795	3,471,061	3,842,858	4,062,321	4,844,355	4,901,345	4,314,492	5,842,620

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