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SU0004496 SSCRPT
EnvironmentalHealth
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SU0004496 SSCRPT
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Last modified
5/7/2020 11:30:48 AM
Creation date
9/9/2019 10:40:37 AM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2600 - Land Use Program
FileName_PostFix
SSCRPT
RECORD_ID
SU0004496
PE
2622
FACILITY_NAME
PA-0400267
STREET_NUMBER
12420
Direction
E
STREET_NAME
TOKAY COLONY
STREET_TYPE
RD
City
LODI
APN
06322031
ENTERED_DATE
6/1/2004 12:00:00 AM
SITE_LOCATION
12420 E TOKAY COLONY RD
RECEIVED_DATE
6/1/2004 12:00:00 AM
P_LOCATION
99
P_DISTRICT
004
QC Status
Approved
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SJGOV\rtan
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FilePath
\MIGRATIONS\T\TOKAY COLONY\12420\PA-0400267\SU0004496\SSC RPT.PDF
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EHD - Public
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� y <br /> 14 April 2004 <br /> AGE-NC Project No.04-1143 <br /> Page 11 of 17 <br /> March 2000 PUR: Aerial Application <br /> LeafAct 80B Bu„f er Spreader Application (1 gallon, 0.20 pint per acre) - <br /> Lorsban. (4E) Dursban (chlorpyrifos): Application (10 gallons, 2.00 pint per acre) - <br /> January 2000 PUR: <br /> Gramoxone.Extra(paraquat):Application(15 gallons,3.0 pints per acre).Paraquat is a highly toxic <br /> compound in EPA toxicity class I. Paraquat is a quaternary nitrogen herbicide widely used for <br /> broadleaf weed control.It is a quick-acting,nonselective compound,that destroys green plant tissue <br /> on contact and by translocation within the plant. It has been employed for killing marijuana in the <br /> U.S. and in Mexico. It is also used as a crop desiccant and defoliant, and as an aquatic herbicide. <br /> Diuron is highly toxic via ingestion. It is not considered to be teratogenic at expected doses; <br /> mutagenic or carcinogenic effects are unclear. <br /> Paraquat is highly persistent in the soil environment, with reported field half-lives of greater than <br /> 1000 days. The reported half-life for paraquat in one study ranged from 16 months (aerobic <br /> laboratory conditions)to 13 years(field study). Ultraviolet light,sunlight, and soil microorganisms <br /> can degrade paraquat to products which are less toxic than the parent compound.The strong affinity <br /> for adsorption by soil particles and organic matter may limit the bioavailability of paraquat to plants, <br /> earthworms, and microorganisms. The bound residues may persist indefinitely and can be <br /> transported in runoff with the sediment. Paraquat is not significantly mobile in most soils. That <br /> which does not become associated with soil particles can be decomposed to a nontoxic end product <br /> by soil bacteria. Thus,paraquat does not present a high risk of groundwater contamination. Of 721 <br /> _ groundwater samples analyzed, only one contained paraquat, at a concentration of 20 mg/L. <br /> VELPAR (Hexazinone): Application (20 pounds, 0.50 pounds per acre) <br /> _ DIREX. (80DF) (diuron): Application (15 gallons, 3 pints per acre) <br /> CMR Herbicide Activator: Application (5 gallons, 1 pint per acre) <br /> 6.1.3. Regulatory Agency Search <br /> The SJCEHD files records by address; the subject property has no address of record. <br /> Advanced Geo Environmental,Inc. <br />
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