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King County Office af Community and Environmental Development Land Use Management Division c • t • • • CONTENTS Page Schools 1 Parks 4 Libraries 5 Other Facilities 6 Fire Protection Service 7 Sewer Service . 8 Water Service 8 Other Services 9 Inventory Data Appendix A •

Sou=ces . . . . . . . . . . . Carbon Monoxide Chemistry . Effec~s of Carbon Monoxide . . . Hydrocarbons . . . . . Sources . . . . . . . . Hydrocarbon Chemistry . 2ffec~s of Hydrocarbons . Nitrogen Oxides ... so~rces . . . . . . . . Che~ical Interactions of Nitrogen Oxides in t~e A~~OS?here . . . . . . . . . . . . Effects of Nitrogen Oxides . . . . Photochemical Oxidants . . . . . . Sources . . . . . . . . . . . . . Effects of Photochemical Oxidants on Vege~a~ion, Materials, and Animals Pa=ticulate . . . . . . . . . Sou=ces cf:ec~s of Particulate Matter . . . ~~ie~t Air Quality Standards Re:: ere:1ces . . . . . . . • . . . . . EX: ST:~iG AIR QUALITY Topographical and Cli~a~ic Conditions . Meteo=ology . . . . . . . . . . . . . Mixing De?th and Turbulence Classification Near SEA-TAC . . . . . . . . . . . . . Ar=hival Air Quality . . . . . Meteorological Parameters and Air Pollution Levels A~ SEA-TAC . . . . . . . . Locaticn of &ubient Air Quality Measure~ents Near SE...A.-T.;.c • • . • • • • • • • • . • • . Ex~sting Air Quality-Carbon Monoxide (CO) ... Ex~s~1~g…

FIRST TUESDAY OF EACH MONTH IN THE DEPARTMENT OF AVIATION CONFERENCE ROOM tt ON THE THIRD FLOOR OF THE SEA-TAC INTERNATIONAL AIRPORT, 6/7/73 edc community office • 253 south 152nd. street • burien, wash. 98148 • ch 3-7033 news JULY -AUGUST, 1973 MEETINGS: -The Policy Advisory Committee (PAC) will hold its regular monthly meeting on Au~rust 7thD 2:00 p.m., in the airport conference room. -The Technical Advisory Committee (TAC) will also conduct its August meeting on the 7th, 10:30 a. m. , in the Community Office meeting room. Agendas for both committees will be posted on the bulletin board of the Community Office a week prior to the meeting. Fact sheets on each committee have also been prepared. -Committees of the Community Involvement Program have scheduled general meetings. The Urban Development Committee will meet on Thursday, July 26th, at 8:00 p.m. The Air Transportation Committee will meet on Thursday, August 2nd, at 7 : 30 p . m . Both will use the meeting room of the Community Office. Everyone is w~lcome. ACTNITIES: -A number of the taak forces, or working groups, have been organized from volunteers of the two community committees. Their purpose will be to undertake various taska, which will maximize community involvement in special areas, as part of the Sea-Tac Communities Project. Examples of the task forces are: community survey, community opportunities and concerns, drainage and water quality, neal'-term programs, noise abatement procedures, etc. The group a mee~ between the regular committee meetings. The Community Office should…

WAY ALIGNMENT AND ARE AT DISTANCES OF 5JQQQJ 16J000J OR l~JQQQ FEET FROM THE END OF THE RUNWAYS. THE NOISE MEASU~EMENTS OBTAINED AT THESE SITES WILL BE COMPUTED TO ACTUAL NOISE EXPOSURE {ANE) VALUES TO PROVIDE CONTOURS OF NOISE IMPACT. PREDIC- TIONS FOR THE FUTURE WILL BE MADE AND A BACKGROUND NOISE SURVEY WILL HELP DEFINE NON~AIRPORT-GENERATED NOISE (VEHICULAR TRAFFIC AND INDUSTRIAL NOISE) AND COMPARISONS WILL BE MADE WITH THE INITIAL SURVEY MEASUREMENTS. USING INITIAL SURVEY FINDINGSJ A MORE COMPREHENSIVE MEASUREMENT GRID USING DIFFERENT SITES AROUND SEA-TAC WILL BE ESTABLISHED AND CALIBRATED RE- CORDINGS WILL BE MADE. RESULTING WILL BE A SERIES OF TABLES SHOWING THE NOISE DENSITYJ DURATIONJ AND FREQUENCY AT EACH MEASUREMENT SITE CAUSED BY FLY-OVERS. A RECOMMENDED ALTERNATIVE WILL BE PRESENTED AFTER ALL MEASUREMENTS AND EVALUATIONS OF ALTERNATIVES ARE COMPLETED. ALTERNATIVE LAND USES WILL BE EVALUATED IN CONJUNCTION WITH OTHER ENVIRONMENTAL DATA. PUBLIC PARTICI- PATION WILL BE IMPORTANT IN VALIDATING THE NOISE EXPOSURE CRITERIA AND GUIDELINES. THE CONSULTANTS SHALL ALSO CONSIDER AND DISCUSS STRUCTURAL VIBRATIONS CAUSED BY AIRCRAFT OPERATIONSJ INCLUDING EVALUATION OF THE REPORT MATERIAL PREPARED BY THE SCHOOL OF PUBLIC HEALTH AND COMMUNITY MEDI- CAREJ UNIVERSITY OF WASHINGTONJ AND THE HIGHLINE PUBLIC SCHOOLS. 5/2/73 eac community office • 253 SOJth 152nd. street • burien, wash. 98148 • ch 3-7033

CITIZEN S COMMISSION ESTABLISHED BY THE COUNTY COUNCIL & EXECUTI Vr IN FEBRUARY1 19701 TO REPLACE THE PLANNING COMMISSION AND SEVE RAL OTHER BOARDS AND COMMISSIONS, THE EDC HAS BEEN GIVEN THE RES- PONSIBIL ITY OF ADVISING THE COUNTY COUNCIL AND EXECUTIVE ON ENVIR- ONMENTAL PLANN I NG MATTERS, THIS RESPONSIBJLITY INCLUDES REVIEWIN G AND EVALUATING COUNTY PLANS FROM A CITIZEN S PERSPECTIVE AND MAKI NG RECOMMENDAT IONS WHICH WILL BE IN THE BEST INTERESTS OF COUNTY RES IDENTS, COMPOSITION: THE EDC CONSISTS OF A COMMISSION AND NINE COMMITTEES1 WITH A TOTAL CITIZEN MEMBERSHIP OF 134 PERSONS, THE COMMISSION IS MADE UP OF THE NINE COMMITTEE CHAIRMEN AND NINE AT-LARGE MEMBERS WHO ARE SELECTED FROM THROUGHOUT THE COUNTY, THE NINE COMMITTEES ARE: CAPITAL FINANCE1 COMMUNITY DEVELOPMENT1 CONSERVATION1 HOUSING1 LAND USE1 RECREATION & PARKS1 PUBLIC FACILITIES1 PUBLIC UTILITIES1 AND TRANSPORTATION , MEMBERSHIP: MEMBERS ARE APPOINTED TO THE EDC BY THE COUNTY EXECUTIVE1 HOWEVER1 HALF OF THOSE APPOINTED1 INCLUDING ALL COMMITTEE CHAIR- MEN~ ARE SELECTED FROM A LIST OF NOMINEES ESTABLISHED BY THE COUNTY COUNCIL, MEMBERS ARE SELECTED BECAUSE OF THEIR DEMONSTRATED INTEREST AND KNOWLEDGE OF THE AREAS OF EDC CONCERN AND TO PROVIDE AS BROAD GEOGRAPHIC AND DEMOGRAPHIC REPRESENTATION AS POSSIBLE, TERMS OF APPOINTMENT ARE STAGGERED TO PROVIDE FREQUENT OPPORTUN- ITIES FOR APPOINTMENT OF NEW MEMBERS AND CONTINUITY, MEETINGS: THE COMMISSION & COMMITTEES MEET ON A REGULARLY SCHEDULED BASIS AS DETERM INED BY THE MEMBERS, ALL MEETINGS ARE OPEN TO THE PUBLIC AND GENERAL PUBLIC PARTICIPATION IS ENCOURAGED BY THE EDC,…

EAST~ 12TH AVE. SO, ON THE WEST~ l/0TH ST. ON THE SOUTH AND SR 518 ON THE NORTH. THIS A8QUISITION IS FINANCED ~0% BY THE PORT OF SEATTLE AND ~ % BY THE FEDERAL AVIATION ADMINISTRATION AND WAS AUTHORIZED THROUGH AN EXPANDED FAA RUNWAY SIDE CLEARANCE RULING, THE USE OF THE NEWLY-ACQUIRED AREA WILL BE AS A BUFFER AND SAFETY ZONE FROM AIRCRAFT OPERATIONS. THE FEDERAL AVIAIIO~ ADMINISTRATION ACCEPTED PORT OF SEATTLE PLANS IN MARCH~ 975~ BUT REQUESTED ANOTHER PROPERTY EVALUA- TION, THIS §ECONO ASSESSMENT IS BEING PREPARED; COMPLETION WILL BE IN 6U TO YO DAYS. ACQUISITION PROCEDURES WILL BE INITIATED AFTER FINAL FEDERAL APPROVAL. THE PORT OF SEATTLE HAS CONTRACTED WITH THE WASHINGTON STATE HIGHWAY DEPARTMENT TO CONDUCT THE PURCHASE AND RELOCATION PROCESS WITH 165 PARCE~§ OF LAND IN THE AREA. THEIR OFFICE IS LOCATED AT 1210- l~YTH ST. SO, IN THE MIDDLE OF THE PROPOSED ACQUISITION AREA. THIS OFFICE IS OPEN FROM 8:00 A.M. TO 5:00 P.M. DAILY ANO IS AVAILABLE TO HELP RESIDENTS OF THE AREA; TELEPHONE /64-qL3U. FOR FURTHER QUESTIONS~ PLEASE CALL OR VISIT THE SEA-TAC COM- MUNITIES PLAN OFFICE. ASK FOR ED PARKS OR JOHN ANTHONY. 5/1/73 edc community office • 253 sa.rth 152nd. street • burien, wash. 98148 • ch 3-7033

edc community office • 253 sa.rth 152nd. street • burien, wash. 98148 • ch 3-7033 4/20/73

- INFORMATION SHEET3 o;J STUDY WORK ACTIVITIES AND METHODS - DEMONSTRATE FIELD EQUIPMENT AND TECHNIQUES - SIMPLIFIED REPORTS AND DISPLAYS GE:NERATE AND RESPOND TO COMMUNITY QUESTIONS~ CONCERNS Af~D IDEAS - DISCUSSION GROUPS WITH EDC - PERIODIC RESPONSE REPORTS - CONSULTANTS HELP PREPARE REPLIES PROMOTE COMMUNITY EXPRESSION OF STUDY ACTIVITIES AND PLAN ALTERNATIVES - COMMUNITY EXAMINATION OF BASIC ASSUMPTIONS AND DATA - COMMUNITY DEFINED EVALUATION CRITERIA - ILLUSTRATE ADVANTAGES AND DISADVANTAGES OF IDEAS AND ALTERNATIVES - PROVIDE OPPORTUNITY FOR CHOICE edc community office • 253 south 152nd. street • burien, wash. 98148 • ch 3-7033 fact sheet No. 2 ENVIRONMENTAL DEVELOPMENT COMMISSION THE ENVJRONMENTAL DEVELOPMENT COMMISSION (EDC) IS THE OFFICIAL CITIZEN S COMMISSION ESTABLISHED BY THE COUNTY COUNCIL & EXECUTI Vr IN FEBRUARY1 19701 TO REPLACE THE PLANNING COMMISSION AND SEVE RAL OTHER BOARDS AND COMMISSIONS, THE EDC HAS BEEN GIVEN THE RES- PONSIBIL ITY OF ADVISING THE COUNTY COUNCIL AND EXECUTIVE ON ENVIR- ONMENTAL PLANN I NG MATTERS, THIS RESPONSIBJLITY INCLUDES REVIEWIN G AND EVALUATING COUNTY PLANS FROM A CITIZEN S PERSPECTIVE AND MAKI NG RECOMMENDAT IONS WHICH WILL BE IN THE BEST INTERESTS OF COUNTY RES IDENTS, COMPOSITION: THE EDC CONSISTS OF A COMMISSION AND NINE COMMITTEES1 WITH A TOTAL CITIZEN MEMBERSHIP OF 134 PERSONS, THE COMMISSION IS MADE UP OF THE NINE COMMITTEE CHAIRMEN AND NINE AT-LARGE MEMBERS WHO ARE SELECTED FROM THROUGHOUT THE COUNTY, THE NINE COMMITTEES ARE: CAPITAL FINANCE1 COMMUNITY DEVELOPMENT1 CONSERVATION1 HOUSING1 LAND USE1 RECREATION & PARKS1 PUBLIC FACILITIES1 PUBLIC UTILITIES1 AND TRANSPORTATION , MEMBERSHIP:…

! Education people are presently ashj-.- c new retirement plan that is equal to 1 other public employees. This parity cer j would seem logical if the budget can i it. Valley RecordThe Cashmere Ftxjndrd In 1997 hiblithrd Ettry Thursday Chelan County. Washington PUBLISHERS: Les EDITOR: Bill MEMtER: National Publishers Association ond Washington Nawspopar Publishers Association visited the vocation Technical Ins'. the Clover Park School District in Tacoma thb week. This is a very im,--scho-ol both in instruction and physica. Fifty-live programs are being run several thousand students par ticipatir : year in courses ranging loom cosmei. . commercial aviation. Senator Warren Magnuson visited ; Session of the Legislature Wednesdj . tried to explain why Washington wouldn't be able to decide a budget ! next fall, after the federal fiscal r adopted. This state cannot wait un: ; tember because the present fiscal bit ends June 30th. Besides, we have waited for the federal budget before a cannot now. The Senate passage of an annual bill sounds better than a proposed st -- strung-out mini-session- s. If Speaker & had come out with some real specii might have been able to sell hb con;, session idea, but it has not really i much further than the dream state at need solid ideas that we can depend t Secaid Oo&s flostoge paid at 104 South Division, Cashmere, Washington, 98815 Subscription by Mail: $4.50 per year, in Chelan Cavity Outside County, $5.00 TELEPHONE: 782-378- 1 Editorial Comment The Apple Valley Chapter, American…

December 31 , 1970 A N A C T [H. R. 17255] Xo amend the Clean Air Act to provide for a more effective program to improve the quality of the Nation's air. Be it enacted hy the Seriate and House of Bepresentatives of the United States of America in Congress asseinbled^ That this Act may be cited as the "Clean Air Amendments of 1970". Clean Air Amendments of 1970. Stat. 486. u s e 1857b. Appropriation. u s e 1857b-l . RESEARCH SEC. 2. (a) Section 103 of the Clean Air Act (42 U.S.C. 1857, et seq.) is amended by adding at the end thereof the following new subsection: "(f) (1) In cari*ying out research pursuant to this Act, the Admin- istrator shall give special emphasis to research on the short- and long- term effects of air pollutants on public health and welfare. In the furtherance of such research, he shall conduct an accelerated research program— "(A) to improve knowledge of the contribution of air pol- lutants to the occurrence of adverse effects on health, including, but not limited to, behavioral, physiological, toxicological, and bio- chemical effects; and " (B) to improve knowledge.of the short-and long-term effects of air pollutants on welfare. "(2) In carrying out the provisions of this subsection the Admin- istrator may— " (A) conduct epidemiological studies of the effects of air pol- lutants on mortality and morbidity; " (B) conduct clinical and laboratory studies on the immuno- logic, biochemical, physiological, and the toxicological effects including…