Memorandum: outline of environmental impact assessment of requirements for phosphate mining in Hardee County, Florida - Mississippi Chemical Corporation, Yazoo City, Mississippi - January 16th, 1976


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Memorandum: outline of environmental impact assessment of requirements for phosphate mining in Hardee County, Florida - Mississippi Chemical Corporation, Yazoo City, Mississippi  - January 16th, 1976

Material Information

Title:
Memorandum: outline of environmental impact assessment of requirements for phosphate mining in Hardee County, Florida - Mississippi Chemical Corporation, Yazoo City, Mississippi - January 16th, 1976
Creator:
Parker, Garald G. (Garald Gordon)
Publication Date:
Language:
English
Physical Location:
Box 2

Subjects

Subjects / Keywords:
Aquifers -- Hydrogeology -- Florida ( lcsh )
Hydrology -- Florida -- Biscayne Aquifer (Fla.) ( lcsh )

Record Information

Source Institution:
University of South Florida
Holding Location:
University of South Florida
Rights Management:
The University of South Florida Libraries believes that the Item is in the Public Domain under the laws of the United States, but a determination was not made as to its copyright status under the copyright laws of other countries. The Item may not be in the Public Domain under the laws of other countries.
Resource Identifier:
032968560 ( ALEPH )
891343127 ( OCLC )
G16-00680 ( USFLDC DOI )
g16.680 ( USFLDC Handle )

Postcard Information

Format:
Book

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Full Text

PAGE 1

MEMO RAND u M ----------December 30, 1975 TO: J. Alexander, C. Stark, 0. Cook, J. Crane, T. King, J. Guidry, C. J. Stratton, J. Sosebee, D. Hardin, L. Bromwell, R. Sims, G. Eichler, D. Tang, D. Bruderly FROM: John D. Crane. RE: Environmental Impact Assessment Attached is an outline of the _ requireme~ts for the Environmental Impact Assessment required by EPA or the Corps. JDC:cwb Enclosure environmental science and engineering, inc.

PAGE 2

OUTLINE OF ENVIRONMENTAL IMPACT ASSESSMENT REQUIREMENTS PHOSPHATE MINING IN HARDEE COUNTY, FLORID.A MISSISSIPPI CHEMICAL CORPORATION YAZOO CITY, MISSISSIPPI 1. Description of the Proposed Project The major features of the proposed project including facilities and operations must be summarized and a process flow chart provided. Description of resource requirements including raw materials, land uses, and energy. Any materials in short supply must be emphasized. Pollutants resulting from energy generation must be identified. An aerial photograph is required to aid the description of land use. In the description of the facilities and uperations, a material balance will be prepared. The description will be oriented toward waste generation. Effects of intermittent operations such as startup, shut-down, and washing must also be described. Economic, social, environmental, and other benefits which result from the proposed project must also be presented. 2. Environment without the Proposed Action The baseline environment as it exists at present, and as it would exist in the near-term future (10 to 15 years) if the proposed project were not implemented must be described. The description has to include meteorology and climatology, air quality, topography, geology, soils, hy~? _l?9Y, biology, land uses, identification of environmentally-environmental science and engineering, inc.

PAGE 3

The population projections and economic forecasts for a minimum of ten to fifteen years will be provided. Local, State and Federal projects and any projects receiving a permit from the ~overnment a~encies which have or will have an impact on the proposed project area will all be described. 3. Environmental Effects of the . Proposed Project Impacts will be identified by different project requirements and operations such as process operations. raw material, transportation requirements, and site requirements. The impacts will then be evalu~ ated in terms of significance, magnitude, cumulative effects, directness, long-term effects, short-term effects, and reversibility. Finally, the impacts will be ag~regated and the net impacts determined using the same environmental elements employed in describing the baseline environ ment. In the process impacts identification, a pollutant material balance diagram will be provided to show all emissions and discharges, and to indicate the interdep~ndence of air~ water, solid waste generation; and pollution control operations. A flow diagram of control measures will also be provided. In-plant pollution control will be emphasized in lieu of end-of~process control measures. The impacts resulting from raw material operations such as loading, unloading, conveying, pretreatment and storage performed on or adjacent to the proposed project site will be discussed. Impacts resulting from the transportation requirements of the proposed project will be analyzed. environmental science and engineering, inc.

PAGE 4

The relevant point and non~point sources of pollution such as industrial, municipal, agricultural, urban runoff, salt-water intrusion~ and subsurface migrational pollution will be ideniified. The type and extent of surface-and ground-water uses of both existing and future will be described. Restrictions to protect sole-source aquifers, as promulgated under the provisions of Section 1424 of the Safe Drinking Water Act (PL 93r523) will also be considered, All pertin~nt ar"eawide or basin water quality management plans a11d water resources projec~s with permi~s or orders-f~om State or local pollution control agencies will be identified, The 24~, 50~, and 100~ year flood levels for the proposed area will be presented. Any Corps of Engineers flood-plain plans for proposed projects will also be. indicated, The description of biological environment will include major eco logical systems, the location of unique _natural communities, migratory wildlife and habitat, wildlife benefits to humans, and rare ~r endangered plants and ani~als~ A land use map wi_ l 1 be pre!)ared from the information obtained from local and re~ional government agencies, Development trends for industrial and other land uses will be shown, Local land use laws, ordinances, and regulations will also be described, Environmentally-sensitive a~eas, such as surface waters, wetlands, . flood plains, ground-water recharge areas, steeply sloping lands; forests, woodlands, prime agricultural lands, habitats of rare and endangered species, public outdoor recreation areas, and historic and archeological sites will be described and shown on an area map, environmental science a,id engineering, ... inc.

PAGE 5

Effects of the project site development such as loss of prime agricultural land and wildlife habitat, de9radation of aesthetic and property value, and erosion, will also be considered. Other impacts such as accidents and spills, environmentally-sensitive areas. population and economic 9rowth, land uses, and the interactions between the proposed project and any local, State or Federal projects will be discussed. In the impact evaluations. the probabilities of occurrence will be assessed to separate possible and inevitable impacts. The cumulative effects of a 11 impacts wi_ l 1 be considered. Primary and secondary impacts. short-term and long-term impacts, must be distinguished. Finally, the reversibilities of impacts and the applicable reclamation plans will be presented. 4. Alternatives to the Proposed Project A tabular summary of the alternatives which have been considered and analyzed will be provided. The environmental characteristics of the alternatives such as baseline, sensitive ecosystems, and natural features will be described. A discussion of the factors that have influenced the final decision to adopt the proposed project will be presented. 5. .Ar,pend ix . Data gathering programs, computer models~ local, State and Federal laws, regulations and ordinances, andother miscellaneous data and documents will be included in the appendix. environmental science and engineering, inc~

PAGE 6

sensitive areas, population projections, economic forecasts, and other programs in the area. The features of meteorology and climatology which must be included are rainfall, and wind roses, In the air quality assessment. data insufficiencies will be de•:scribed. Air diffusion modeling may be required. Applicable State Air 0uality Implementation Plans and any pending revisions will be identified and reviewed. An U.S. Geological Service topographical map supplemented by aerial photographs will be used for topographical description. Geologic structures that havi a directinfluence on either groundr water or surface-water resources (e.g. sinkholes) must be specifically described, A soil map must be provided to identify soil types in terms of depth to bedrock, permeability, erodibility, expansion, compaction, etc. Both surface water bodies and ground~water aquifers must be examined. Physical, chemical and biological parameters such as temperature, pH, suspended solids, BOD, COD, and fecal coliform will be used to describe the qualities of surface-and ground~water. Subsurface pollutant migration migration potentials must be addressed. Surface~water volume, stream flow rates, the frequency and duration of seasonal variations, the 7-day, lO~year low~flow, ground-water storage volume, extent, depth: rate of recharge, and rate of depletion of aquifers must be discussed, An area map will be used to identify regulation and diversion structures such as dams, spillways, control gates, canals, and the recharge areas for replenishing ground-water. environ,nental science and engineeri~g, inc . . .


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