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SU0006551 SSCRPT
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SU0006551 SSCRPT
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Entry Properties
Last modified
5/7/2020 11:32:31 AM
Creation date
9/6/2019 11:05:04 AM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2600 - Land Use Program
FileName_PostFix
SSCRPT
RECORD_ID
SU0006551
PE
2622
FACILITY_NAME
PA-0700214
STREET_NUMBER
14222
Direction
E
STREET_NAME
LOUISE
STREET_TYPE
AVE
City
RIPON
APN
20307035
ENTERED_DATE
5/8/2007 12:00:00 AM
SITE_LOCATION
14222 E LOUISE AVE
RECEIVED_DATE
5/8/2007 12:00:00 AM
P_LOCATION
99
P_DISTRICT
004
QC Status
Approved
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SJGOV\rtan
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\MIGRATIONS\L\LOUISE\14222\PA-0700214\SU0006551\SSC RPT.PDF
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EHD - Public
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EXTOXNET PIP - ORYZALIN Pagel of 3 <br /> EXTOXNET <br /> Extension Toxicology Network <br /> Pesticide Information Profiles <br /> A Pesticide Information Project of Cooperative Extension Offices of Cornell University, Oregon State University,the <br /> University of Idaho, and the University of California at Davis and the Institute for Environmental Toxicology, Michigan <br /> State University. Major support and funding was provided by the USDA/Extension Service/National Agricultural <br /> Pesticide Impact Assessment Program. <br /> EXTOXNET primary files maintained and archived at Oregon State University <br /> Revised June 1996 <br /> Oryzalin <br /> Trade and Other Names:Trade names include Dirimal, EL-119,Rycelan, Ryzelan, Ryzelon, and Surflan. <br /> Regulatory Status: Oryzalin is a slightly to practically nontoxic compound in EPA toxicity class IV. Products <br /> containing oryzalin must bear the Signal Word CAUTION. It is a General Use Pesticide(GUP). <br /> Chemical Class: Not Available <br /> Introduction: Oryzalin is a selective pre-emergence surface-applied herbicide used for control of annual grasses and <br /> broadleaf weeds in fruit trees, nut trees, vineyards, established bermuda grass turf, and established ornamentals. It inhibits <br /> the growth of germinating weed seeds by blocking cell division in the meristems. It is available in aqueous suspension, <br /> dry flowable, and wettable powder formulations. <br /> Formulation: It is available in aqueous suspension, dry flowable, and wettable powder formulations. <br /> Toxicological Effects: <br /> . Acute toxicity: Oryzalin is practically nontoxic by ingestion, with reported oral LD50 values of greater than 5000 <br /> mg/kg in rats and mice [1,58], and greater than 1000 mg/kg in cats, dogs, and chickens [1,106]. The dermal LD50 <br /> for technical oryzalin in rabbits is greater than 2000 mg/kg, indicating slight to practically no toxicity by this route <br /> [58]. It is reported to cause slight skin and eye irritation in the rabbit, and no skin sensitization in the guinea pig <br /> [58]. It is also slightly toxic when inhaled, with a 4-hour inhalation LC50 of greater than 3 mg/L in rats [58]. The <br /> formulated products (e.g., Surflan A.S.) may show moderate toxicity by either the oral or inhalation routes, and may <br /> show skin and eye irritation and skin sensitization properties [58]. In dogs and cats, large oral doses cause nausea <br /> and vomiting [8]. <br /> . Chronic toxicity: Rats fed a dietary level of about 2.5 mg/kg/day for 2 years exhibited blood changes, increased <br /> liver and kidney weights, inhibition of growth, and decreased survival [8]. Repeated ingestion of large doses led to <br /> adverse changes in blood cell formation in dogs [8]. Mice given dietary doses of about 200 mg/kg/day for 1 year <br /> http://extoxnet.orst.edu/pips/oryzalin.htm 3/26/2007 <br />
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