The following is a list of some of the key legislative committee hearings scheduled in Annapolis for the upcoming week. TODAY Senate Economic Affairs Committee James Office Building, Room 200, 10 a.m.

(S.B. 384) Labor Organizations -- Right to Refrain from Joining a Labor Organization

(S.B. 478) Occupational Safety -- Work in Manholes

(S.B. 477) Group and Blanket Health Insurance -- Self Funder Plans

(S.B. 604) Life Insurance Policies and Annuities -- Interest Rates for Valuation of Policies and Contracts Calculation of Nonforfeiture Benefits

(S.J.R. 23) Product Liability Law

(S.B. 544) Maryland Industrial Development Financing Authority -- Maryland Port

(S.B. 544) Maryland Industrial Development Financing Authority -- Maryland Port Judicial Proceedings Committee

James Office Building, Room 300, 10 a.m.

(S.B 671) Juveniles -- Complaint Procedure

(S.B. 673) Juvenile Complaints -- Preliminary Procedures

(S.B. 674) Circuit Court and District Court Judges

(S.B. 784) The Judiciary Department -- Supreme Bench Console

(S.B. 785) Judiciary Department -- Removal of Causes

(S.B. 786) Election of Clerk of the Circuit Court for Baltimore County

(S.B. 787) Personnel Merit System -- Office of the clerk of the Circuit Court for Baltimore County. House Appropriations Committee

Lowe Office Building, Room 130, 11 a.m.

(H.B. 830) Creation of State Debt -- Memorial Stadium

(H.B 942) Forest and Parks -- Program Open Space -- Baltimore City

(H.B. 979) Program Open Space -- Allocations for Fiscal Year 1981

(H.B. 754) Creation of State Debt -- Tri County Center for Children and Adolescents

(H.B. 1206) Creation of State Debt -- Cheltenham Center

(H.B. 1014) Creation of State Debt -- Baltimore City Jail

(H.B. 1015) Creation of State Debt -- Pratt St. Pedestrian Bridge

(H.B. 1016) Creation of a State Debt -- Pennsylvania Railroad Station Loan of 1980

(H.B. 1017) Creation of State Debt -- Supplementary Public School

Construction and Capital Improvement Loan of 1980 House Environmental Matters Committee Lowe Office Building, Room 160, 12 noon

(H.B. 560) Nursing Homes -- Alerting Devices

(H.B. 629) Maryland Dental Assistance Program

(H.B. 635) Contraceptives -- Sale by Vending Machines

(H.B. 701) Dental X-Rays

(H.B. 348) Somerset County -- Damages by Dogs

(H.B. 596) Frederick County Animal Bite Report

Control Program. House Judiciary Committee Lowe Office Building, Room 120, 1 p.m.

(H.B 211) Support of Spouse and Dependent Children -- Definition

(H.B. 294) Divorce and Annulment -- Award of Family Home

(H.B. 352) Family Law -- Joint Custody of Children

(H.B. 473) Bureau of Support Enforcement Child Support

(H.B. 488) Child Support -- Automatic Assignment

(H.B. 581) Child Support -- Technical Amendments

(H.B. 612) Nonsupport of Destitute Parents

(H.B. 646) Paternity -- Statute of Limitations

(H.B. 677) Juvinele Causes -- Child in Need of Assistance

(H.b. 766) Paternity -- Jurisdiction over Nonresisdent Defendents

(H.B. 794) Support of Dependents -- Definition of "State"

(H.B. 829) Divorce -- Change of Name

(H.B. 859) Divorce a Vinculo Matrimonni Feb. 22 Judicial Proceeding Committee James Office Building, Room 300, 10 a.m.

(S.b. 493) Handguns - Crimes

(S.B. 600) Pistols -- Sale or Transfer of Revolvers or Pistols

(S.B. 602) Sales or Transfer or Pistols or Revolvers. House Environmental Matters Committee Lowe Office Building; Room 160, 1 p.m.

(H.J.R. 19) Hazardous Substances

(H.B. 631) Ports -- Hazardous Substances

(H.B. 668) Hazardous Substance Disposal Sitings

(H.B. 1335 Hazardous Substance Disposal -- Approval of Local Health Department

(H.B. 1481) Harzadous Waste Facility Siting Program. Feb. 26 Senate Economic Affairs Committee James Office Building, Room 200, 10 a.m.

(S.B. 419) Motor Vehicle Insurance -- Claim Procedure for Uninsured Motorist

(S.B. 628) Surplus Line Insurance

(S.B. 630) Insurance Contracts Generally -- Withdrawal of Approval

(S.B. 653) Maryland Insurance Gurantee Association Uninsured Motorist Coverage

(S.B. 662) Automobile Liability Insurance Maryland Drivers Survey

(S.B. 661) Stock and Mutual Isurers 'Fronting' Prohibited

(S.B. 693) Health Insurance -- Alcoholic Rehabilitation Benefits

(S.B. 695) Insurance Agents and Brokers -- Limited License and Examination. Feb. 27 House Appropriations Committee

(Lowe Office Building, Room 130, 11 a.m.

(H.B. 76) Vietnam Veterans -- Preference

(H.B. 228) Merit System -- Limit Veteran's Preference

(H.B. 886 Merit System -- Automatic Pay Increase

(H.J.R. 32) State Employees -- Mileage Expenses

(H.J.R. 36) Merit System -- Unclassified Employees

(H.J.R. 47) State Employees -- Mileage Expenses

(H.B. 1110) Merit System -- Productivity Board

(H.J.R. 59) State Employes Pay Comparability Study.