UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM N-Q
QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT
INVESTMENT COMPANY
Investment Company Act File number 811-21348
Name of Fund: BlackRock Muni Intermediate Duration Fund, Inc.
Fund Address: P.O. Box 9011
Princeton, NJ 08543-9011
Name and address of agent for service: Robert C. Doll, Jr., Chief Executive
Officer, BlackRock Muni Intermediate Duration Fund, Inc., 800 Scudders
Mill Road, Plainsboro, NJ, 08536. Mailing address: P.O. Box 9011,
Princeton, NJ, 08543-9011
Registrant's telephone number, including area code: (609) 282-2800
Date of fiscal year end: 05/31/2007
Date of reporting period: 06/01/2006 - 08/31/2006
Item 1 - Schedule of Investments
BlackRock Muni Intermediate Duration Fund, Inc.
Schedule of Investments as of August 31, 2006 (In Thousands)
Face
State Amount Municipal Bonds Value
Alabama - 3.3% $ 5,500 Jefferson County, Alabama, Limited Obligation School Warrants, Series A,
5.50% due 1/01/2021 $ 5,954
6,500 Jefferson County, Alabama, Limited Obligation School Warrants, Series A,
5.25% due 1/01/2023 6,884
6,600 Tuscaloosa, Alabama, Special Care Facilities Financing Authority, Residential
Care Facility Revenue Bonds (Capstone Village, Inc. Project) Series A, 5.625%
due 8/01/2025 6,611
Arizona - 2.1% 2,820 Maricopa County, Arizona, IDA, Education Revenue Bonds (Arizona Charter Schools
Project 1), Series A, 6.625% due 7/01/2020 2,831
3,000 Navajo County, Arizona, IDA, IDR (Stone Container Corporation Project), AMT,
7.20% due 6/01/2027 3,099
1,000 Pima County, Arizona, IDA, Education Revenue Bonds (Arizona Charter Schools
Project), Series C, 6.70% due 7/01/2021 1,054
1,750 Pima County, Arizona, IDA, Education Revenue Bonds (Arizona Charter Schools Project),
Series K/L, 6.375% due 7/01/2031 1,819
3,630 Vistancia Community Facilities District, Arizona, GO, 5% due 7/15/2014 3,691
Arkansas - 0.7% 3,755 Conway, Arkansas, Public Facilities Board, Capital Improvement Revenue Refunding
Bonds (Hendrix College Projects), Series B, 5% due 10/01/2026 3,862
California - 26.2% 8,865 California Pollution Control Financing Authority, PCR, Refunding, DRIVERS, AMT,
Series 878Z, 6.78% due 12/01/2009 (d)(i) 10,100
5,000 California State Department of Water Resources, Power Supply Revenue Bonds, Series A,
5.375% due 5/01/2012 (h) 5,505
1,910 California State, GO, 5.50% due 4/01/2014 (h) 2,141
15,590 California State, GO, 5.50% due 4/01/2028 17,085
5,000 California State, GO, Refunding, 5.25% due 2/01/2027 (d) 5,318
10,000 California State Public Works Board, Lease Revenue Bonds (Department of Corrections),
Series C, 5.50% due 6/01/2020 11,001
2,500 California Statewide Communities Development Authority, Health Facility Revenue
Bonds (Memorial Health Services), Series A, 6% due 10/01/2023 2,765
2,400 Elk Grove, California, Poppy Ridge Community Facilities Number 3 Special Tax,
Series 1, 6% due 9/01/2008 (h) 2,524
6,440 Grossmont-Cuyamaca Community College District, California, GO (Election of 2002),
Series A, 5% due 8/01/2027 (d) 6,731
10,485 Los Angeles, California, Unified School District, GO (Election of 1997), Series F,
5% due 7/01/2025 (b) 11,022
28,225 Los Angeles, California, Unified School District, GO, Series A, 5% due 1/01/2028 (d) 29,638
Portfolio Abbreviations
To simplify the listings of Muni Intermediate Duration Fund, Inc.'s portfolio
holdings in the Schedule of Investments, we have abbreviated the names of
many of the securities according to the list below.
AMT Alternative Minimum Tax (subject to)
DRIVERS Derivative Inverse Tax-Exempt Receipts
EDA Economic Development Authority
GO General Obligation Bonds
IDA Industrial Development Authority
IDB Industrial Development Board
IDR Industrial Development Revenue Bonds
PCR Pollution Control Revenue Bonds
S/F Single-Family
VRDN Variable Rate Demand Notes
BlackRock Muni Intermediate Duration Fund, Inc.
Schedule of Investments as of August 31, 2006 (concluded) (In Thousands)
Face
State Amount Municipal Bonds Value
California $ 5,850 Ontario-Monclair, California, School District, GO (Election of 2002), Series A,
(concluded) 5% due 8/01/2027 (b) $ 6,102
10,135 Peralta, California, Community College District, GO (Election of 2000), Series D,
5% due 8/01/2030 (c) 10,679
1,515 Rowland, California, Unified School District, GO (Election of 2000), Series B,
5.25% due 8/01/2027 (c) 1,616
585 Sacramento, California, Special Tax (North Natomas Community Facilities), Series
4-C, 5.60% due 9/01/2020 619
1,720 Sacramento, California, Special Tax (North Natomas Community Facilities), Series
4-C, 5.75% due 9/01/2022 1,833
500 Sacramento, California, Special Tax (North Natomas Community Facilities), Series
4-C, 5.90% due 9/01/2023 536
3,000 Sacramento, California, Special Tax (North Natomas Community Facilities), Series
4-C, 6% due 9/01/2028 3,218
3,000 San Jose, California, Airport Revenue Bonds, Series A, 5.25% due 3/01/2017 (b) 3,179
3,100 San Jose, California, GO (Libraries, Parks and Public Safety Projects), 5% due
9/01/2030 (d) 3,241
9,030 Sequoia, California, Unified High School District, GO, Refunding, Series B, 5.50%
due 7/01/2035 (c) 10,029
4,875 Tamalpais, California, Union High School District, GO (Election of 2001), 5% due
8/01/2028 (c) 5,098
2,610 Tustin, California, Unified School District, Senior Lien Special Tax Bonds (Community
Facilities District Number 97-1), Series A, 5% due 9/01/2032 (c) 2,700
Colorado - 2.5% 2,000 Denver, Colorado, City and County Airport Revenue Refunding Bonds, Series E, 5.25%
due 11/15/2023 (d) 2,050
800 Elk Valley, Colorado, Public Improvement Revenue Bonds (Public Improvement Fee),
Series A, 7.10% due 9/01/2014 860
2,250 Montrose, Colorado, Memorial Hospital, Revenue Bonds, 6.375% due 12/01/2023 2,519
7,500 Plaza Metropolitan District Number 1, Colorado, Tax Allocation Revenue Bonds
(Public Improvement Fees), 7.50% due 12/01/2015 8,270
1,000 Southlands, Colorado, Medical District, GO (Metropolitan District Number 1), 6.75%
due 12/01/2016 1,100
Connecticut - 1.7% 1,160 Connecticut State Development Authority, Airport Facility Revenue Bonds (Learjet Inc.
Project), AMT, 7.95% due 4/01/2026 1,383
8,000 Connecticut State Development Authority, PCR, Refunding (Connecticut Light and Power
Company), Series A, 5.85% due 9/01/2028 8,374
Florida - 3.4% 2,935 Harbor Bay, Florida, Community Development District, Capital Improvement Special
Assessment Bonds, 6.75% due 5/01/2034 3,209
1,710 Heritage Isle at Viera Community Development District, Florida, Special Assessment
Bonds, Series B, 5% due 11/01/2009 1,710
3,500 Midtown Miami, Florida, Community Development District, Special Assessment Revenue
Bonds, Series A, 6% due 5/01/2024 3,792
2,000 Midtown Miami, Florida, Community Development District, Special Assessment Revenue
Bonds, Series B, 6.50% due 5/01/2037 2,210
3,670 Orange County, Florida, Health Facilities Authority, Health Care Revenue Refunding
Bonds (Orlando Lutheran Towers), 5% due 7/01/2013 3,651
930 Orlando, Florida, Urban Community Development District, Capital Improvement Special
Assessment Bonds, 6% due 5/01/2020 1,005
1,085 Portofino Shores, Florida, Community Development District, Special Assessment Bonds,
Series A, 6.40% due 5/01/2034 1,154
2,390 South Lake County, Florida, Hospital District Revenue Bonds (South Lake Hospital Inc.),
6.625% due 10/01/2023 2,692
645 Sterling Hill, Florida, Community Development District, Capital Improvement Revenue
Refunding Bonds, Series B, 5.50% due 11/01/2010 648
Georgia - 3.1% 1,500 Atlanta, Georgia, Tax Allocation Bonds (Atlantic Station Project), 7.90% due 12/01/2024 1,667
5,395 Brunswick & Glynn County, Georgia, Development Authority, First Mortgage Revenue Bonds
(Coastal Community Retirement Corporation Project), Series A, 7.125% due 1/01/2025 5,305
2,800 Brunswick & Glynn County, Georgia, Development Authority, First Mortgage Revenue Bonds
(Coastal Community Retirement Corporation Project), Series A, 7.25% due 1/01/2035 2,758
4,500 Fulton County, Georgia, Residential Care Facilities, Revenue Refunding Bonds (Canterbury
Court Project), Series A, 5.80% due 2/15/2018 4,575
1,245 Savannah, Georgia, EDA Revenue Bonds (Marshes of Skidaway), First Mortgage, Series A,
6.25% due 1/01/2012 1,278
2,245 Savannah, Georgia, EDA Revenue Bonds (Marshes of Skidaway), First Mortgage, Series A,
6.85% due 1/01/2019 2,336
Idaho - 0.1% 415 Idaho Housing and Finance Association, S/F Mortgage Revenue Bonds, AMT, Series F-2,
5.85% due 7/01/2015 (e)(k) 422
Illinois - 3.6% 2,510 Chicago, Illinois, O'Hare International Airport Revenue Bonds, Third Lien, AMT, Series
B-2, 6% due 1/01/2029 (f) 2,801
6,000 Hodgkins, Illinois, Environmental Improvement Revenue Bonds (Metro Biosolids Management
LLC Project), AMT, 5.90% due 11/01/2017 6,261
6,930 Illinois Development Finance Authority Revenue Bonds (Community Rehabilitation Providers
Facilities), Series A, 6.625% due 7/01/2032 7,510
1,200 Illinois Health Facilities Authority, Revenue Refunding Bonds (University of Chicago
Hospitals), VRDN, 3.55% due 8/01/2026 (d)(g) 1,200
1,800 Illinois State Finance Authority Revenue Bonds (Landing At Plymouth Place Project),
Series A, 6% due 5/15/2025 1,879
1,580 Village of Wheeling, Illinois, Revenue Bonds (North Milwaukee/Lake-Cook Tax Increment
Financing (TIF) Redevelopment Project), 6% due 1/01/2025 1,551
Indiana - 0.8% 4,300 Indiana Transportation Finance Authority, Highway Revenue Bonds, Series A, 5% due
6/01/2028 (c) 4,474
Louisiana - 2.6% 6,965 Louisiana Public Facilities Authority Revenue Bonds (University of New Orleans Research
and Technology Foundation, Inc. - Student Housing Project), 5.25% due 3/01/2026 (d) 7,539
2,500 Louisiana State Citizens Property Insurance Corporation, Assessment Revenue Bonds,
Series B, 5% due 6/01/2022 (a) 2,654
5,000 Port New Orleans, Louisiana, IDR, Refunding (Continental Grain Company Project), 6.50%
due 1/01/2017 5,101
Maine - 0.4% 1,965 Portland, Maine, Housing Development Corporation, Senior Living Revenue Bonds (Avesta
Housing Development Corporation Project), Series A, 6% due 2/01/2034 2,044
Maryland - 0.1% 500 Maryland State Industrial Development Financing Authority, Economic Development
Revenue Bonds (Our Lady of Good Counsel School), Series A, 6% due 5/01/2035 533
Massachusetts - 4.4% 4,560 Massachusetts Bay Transportation Authority, Sales Tax Revenue Refunding Bonds, Senior
Series A, 5% due 7/01/2012 (h) 4,881
7,695 Massachusetts Bay Transportation Authority, Special Assessment Revenue Refunding Bonds,
Series A, 5% due 7/01/2031 8,070
1,210 Massachusetts State Development Finance Agency, Resource Recovery Revenue Bonds
(Ogden Haverhill Associates), AMT, Series B, 5.35% due 12/01/2015 1,241
2,000 Massachusetts State Development Finance Agency, Resource Recovery Revenue Bonds
(Ogden Haverhill Associates), AMT, Series B, 5.50% due 12/01/2019 2,075
600 Massachusetts State Health and Educational Facilities Authority, Revenue Refunding
Bonds (Children's Hospital Project), VRDN, Series L-2, 3.55% due 10/01/2042 (a)(g) 600
8,325 Massachusetts State School Building Authority, Dedicated Sales Tax Revenue Bonds,
Series A, 5% due 8/15/2030 (c) 8,748
Michigan - 1.4% 490 Detroit, Michigan, Sewer Disposal Revenue Bonds, Senior Lien, VRDN, Series B, 3.53%
due 7/01/2033 (c)(g) 490
2,325 Macomb County, Michigan, Hospital Finance Authority, Hospital Revenue Bonds
(Mount Clemens General Hospital), Series B, 5.875% due 11/15/2034 2,454
4,795 Michigan State Hospital Finance Authority, Revenue Refunding Bonds (Oakwood Obligated
Group), Series A, 6% due 4/01/2022 5,249
Minnesota - 1.0% 1,000 Minneapolis and Saint Paul, Minnesota, Housing and Redevelopment Authority, Health Care
System Revenue Bonds (Group Health Plan Inc. Project), 6% due 12/01/2019 1,098
2,545 Minneapolis and Saint Paul, Minnesota, Housing and Redevelopment Authority, Health Care
System Revenue Bonds (Group Health Plan Inc. Project), 6% due 12/01/2021 2,790
2,000 Minnesota State Municipal Power Agency, Electric Revenue Bonds, Series A, 5.25% due
10/01/2024 2,124
Mississippi - 1.4% 5,000 Mississippi Business Finance Corporation, Mississippi, PCR, Refunding
(System Energy Resources Inc. Project), 5.875% due 4/01/2022 5,008
2,910 Mississippi Business Finance Corporation, Mississippi, PCR, Refunding
(System Energy Resources Inc. Project), 5.90% due 5/01/2022 2,915
Nevada - 0.4% 2,250 Clark County, Nevada, Improvement District Number 142, Special Assessment Bonds,
6.375% due 8/01/2023 2,335
New Jersey - 16.2% 3,635 Garden State Preservation Trust of New Jersey, Open Space and Farmland Preservation
Revenue Bonds, Series A, 5.80% due 11/01/2021 (c) 4,170
5,050 Garden State Preservation Trust of New Jersey, Open Space and Farmland Preservation
Revenue Bonds, Series A, 5.80% due 11/01/2023 (c) 5,795
10,950 New Jersey EDA, Cigarette Tax Revenue Bonds, 5.625% due 6/15/2018 11,397
9,810 New Jersey EDA, Cigarette Tax Revenue Bonds, 5.75% due 6/15/2029 10,508
17,900 New Jersey EDA, Motor Vehicle Surcharge Revenue Bonds, Series A, 5.25% due
7/01/2033 (d) 19,118
5,540 New Jersey EDA, Special Facility Revenue Bonds (Continental Airlines Inc. Project),
AMT, 6.625% due 9/15/2012 5,830
5,000 New Jersey State Transportation Trust Fund Authority, Transportation System Revenue
Bonds, Series C, 5.25% due 6/15/2015 (d)(h) 5,525
5,785 New Jersey State Transportation Trust Fund Authority, Transportation System Revenue
Bonds, Series D, 5% due 6/15/2015 (a)(h) 6,286
8,880 New Jersey State Transportation Trust Fund Authority, Transportation System Revenue
Bonds, Series D, 5% due 6/15/2015 (c)(h) 9,649
4,215 New Jersey State Transportation Trust Fund Authority, Transportation System Revenue
Bonds, Series D, 5% due 6/15/2018 (a) 4,529
11,120 New Jersey State Transportation Trust Fund Authority, Transportation System Revenue
Bonds, Series D, 5% due 6/15/2019 (c) 11,898
New Mexico - 3.9% 3,000 Farmington, New Mexico, PCR, Refunding (Public Service Company of New Mexico - San
Juan Project), Series D, 6.375% due 4/01/2022 3,105
9,000 Farmington, New Mexico, PCR, Refunding (Tucson Electric Power Company - San Juan
Project), Series A, 6.95% due 10/01/2020 9,359
9,520 New Mexico Finance Authority, Senior Lien State Transportation Revenue Bonds,
Series A, 5.125% due 6/15/2018 (d) 10,276
New York - 27.8% 1,145 Dutchess County, New York, IDA, Civic Facility Revenue Bonds (Saint Francis
Hospital), Series B, 7.25% due 3/01/2019 1,247
10,500 Metropolitan Transportation Authority, New York, Revenue Refunding Bonds, Series A,
5.75% due 11/15/2032 11,500
875 New York City, New York, City IDA, Civic Facility Revenue Bonds (Special Needs
Facilities Pooled Program), Series C-1, 5.50% due 7/01/2007 881
3,500 New York City, New York, City IDA, Special Facility Revenue Bonds (Continental
Airlines Inc. Project), AMT, 8.375% due 11/01/2016 3,863
1,110 New York City, New York, City Transitional Finance Authority, Future Tax Secured
Revenue Bonds, Series C, 5.50% due 5/01/2009 (h) 1,176
5,000 New York City, New York, GO, Refunding, Series B, 5.75% due 8/01/2015 5,491
2,055 New York City, New York, IDA, Civic Facility Revenue Bonds (Special Needs Facilities
Pooled Program), Series C-1, 6.80% due 7/01/2019 2,191
5,550 New York City, New York, Sales Tax Asset Receivable Corporation Revenue Bonds, DRIVERS,
Series 1133Z, 6.601% due 10/15/2012 (a)(i) 6,432
9,070 New York City, New York, Sales Tax Asset Receivable Corporation Revenue Bonds, Series A,
5% due 10/15/2020 (d) 9,693
4,325 New York City, New York, Sales Tax Asset Receivable Corporation Revenue Bonds, Series A,
5% due 10/15/2032 (a) 4,534
5,580 New York State Dormitory Authority, Lease Revenue Refunding Bonds (Court Facilities),
Series A, 5.25% due 5/15/2012 5,971
1,000 New York State Dormitory Authority Revenue Bonds (North Shore L I Jewish Group), 5%
due 5/01/2012 1,052
9,540 New York State Dormitory Authority Revenue Bonds (School Districts Financing Program),
Series D, 5.25% due 10/01/2023 (d) 10,253
7,775 New York State Dormitory Authority, Revenue Refunding Bonds (City University System),
Consolidated Second Generation, Series A, 6.125% due 7/01/2013 (a) 8,529
7,000 New York State Dormitory Authority, Revenue Refunding Bonds (Mount Sinai Health),
Series A, 6.625% due 7/01/2018 7,585
5,000 New York State Dormitory Authority, Revenue Refunding Bonds (Mount Sinai Health),
Series A, 6.625% due 7/01/2019 5,416
7,380 New York State Environmental Facilities Corporation, State Personal Income Tax Revenue
Bonds, Series A, 5.25% due 12/15/2018 (b) 8,079
60 New York State Thruway Authority, Local Highway and Bridge Service Contract, Revenue
Refunding Bonds, 5.50% due 4/01/2017 65
11,650 New York State Urban Development Corporation, Correctional and Youth Facilities Services
Revenue Refunding Bonds, Series A, 5.50% due 1/01/2017 12,415
10,000 New York State Urban Development Corporation, Personal Income Tax Revenue Bonds
(State Facilities), Series A-1, 5.25% due 3/15/2034 (b) 10,644
5,000 Port Authority of New York and New Jersey, Senior Consolidated Revenue Bonds, AMT,
131st Series, 5% due 12/15/2017 (j) 5,311
3,340 Tobacco Settlement Financing Corporation of New York Revenue Bonds, Series A-1,
5.50% due 6/01/2016 3,540
6,510 Tobacco Settlement Financing Corporation of New York Revenue Bonds, Series A-1,
5.25% due 6/01/2022 (a) 6,971
9,750 Tobacco Settlement Financing Corporation of New York Revenue Bonds, Series C-1,
5.50% due 6/01/2020 (b) 10,626
7,000 Tobacco Settlement Financing Corporation of New York Revenue Bonds, Series C-1,
5.50% due 6/01/2021 7,572
10,000 Tobacco Settlement Financing Corporation of New York Revenue Bonds, Series C-1,
5.50% due 6/01/2022 10,793
North Carolina - 1.7% 3,105 Gaston County, North Carolina, Industrial Facilities and Pollution Control Financing
Authority, Revenue Bonds (National Gypsum Company Project), AMT, 5.75% due 8/01/2035 3,273
6,000 North Carolina Medical Care Commission, Health Care Facilities, First Mortgage Revenue
Refunding Bonds (Presbyterian Homes Project), 7% due 10/01/2010 (h) 6,808
Ohio - 0.3% 1,280 Port of Greater Cincinnati Development Authority, Ohio, Special Assessment Revenue Bonds
(Cooperative Public Parking Infrastructure Project), 6.30% due 2/15/2024 1,388
Pennsylvania - 6.4% 3,500 Montgomery County, Pennsylvania, IDA, Revenue Bonds (Whitemarsh Continuing Care Project),
6% due 2/01/2021 3,701
7,710 Pennsylvania Economic Development Financing Authority, Exempt Facilities Revenue Bonds
(National Gypsum Company), AMT, Series A, 6.25% due 11/01/2027 8,129
7,490 Philadelphia, Pennsylvania, Gas Works Revenue Refunding Bonds, 1975 General Ordinance,
17th Series, 5.375% due 7/01/2022 (c) 8,077
9,630 Pittsburgh, Pennsylvania, GO, Refunding, Series B, 5.25% due 9/01/2017 (c) 10,653
1,750 Sayre, Pennsylvania, Health Care Facilities Authority, Revenue Refunding Bonds
(Guthrie Healthcare System), Series A, 6.25% due 12/01/2015 1,939
3,000 Sayre, Pennsylvania, Health Care Facilities Authority, Revenue Refunding Bonds
(Guthrie Healthcare System), Series A, 6.25% due 12/01/2016 3,317
1,490 Sayre, Pennsylvania, Health Care Facilities Authority, Revenue Refunding Bonds
(Guthrie Healthcare System), Series A, 6.25% due 12/01/2018 1,641
South Carolina - 1.3% 4,250 Medical University Hospital Authority, South Carolina, Mortgage Hospital Facilities,
Revenue Refunding Bonds, Series A, 5.25% due 8/15/2023 (d)(e)(k) 4,546
3,000 Medical University Hospital Authority, South Carolina, Mortgage Hospital Facilities,
Revenue Refunding Bonds, Series A, 5.25% due 8/15/2024 (d)(e)(k) 3,205
Tennessee - 3.9% 1,800 Johnson City, Tennessee, Health and Educational Facilities Board, Retirement Facility
Revenue Bonds (Appalachian Christian Village Project), Series A, 6% due 2/15/2019 1,825
5,000 McMinn County, Tennessee, IDB, PCR (Calhoun Newsprint Co. Project), AMT, 7.625% due
3/01/2016 5,009
3,550 Shelby County, Tennessee, Health, Educational and Housing Facilities Board Revenue
Bonds (Germantown Village), Series A, 6.75% due 12/01/2018 3,708
1,450 Shelby County, Tennessee, Health, Educational and Housing Facilities Board Revenue
Bonds (Germantown Village), Series A, 7% due 12/01/2023 1,532
745 Shelby County, Tennessee, Health, Educational and Housing Facility Board, Hospital
Revenue Refunding Bonds (Methodist Healthcare), 6% due 9/01/2012 (h) 838
1,495 Shelby County, Tennessee, Health, Educational and Housing Facility Board, Hospital
Revenue Refunding Bonds (Methodist Healthcare), 6% due 9/01/2012 (h) 1,681
1,255 Shelby County, Tennessee, Health, Educational and Housing Facility Board, Hospital
Revenue Refunding Bonds (Methodist Healthcare), 6% due 9/01/2012 (h) 1,411
2,505 Shelby County, Tennessee, Health, Educational and Housing Facility Board, Hospital
Revenue Refunding Bonds (Methodist Healthcare), 6% due 9/01/2012 (h) 2,817
1,310 Shelby County, Tennessee, Health, Educational and Housing Facility Board, Hospital
Revenue Refunding Bonds (Methodist Healthcare), 6.25% due 9/01/2012 (h) 1,491
2,190 Shelby County, Tennessee, Health, Educational and Housing Facility Board, Hospital
Revenue Refunding Bonds (Methodist Healthcare), 6.25% due 9/01/2012 (h) 2,492
Texas - 14.9% 6,445 Austin, Texas, Convention Center Revenue Bonds (Convention Enterprises Inc.), First
Tier, Series A, 6.375% due 1/01/2016 6,773
10,260 Austin, Texas, Convention Center Revenue Bonds (Convention Enterprises Inc.), First
Tier, Series A, 6.70% due 1/01/2032 10,853
1,200 Bell County, Texas, Health Facilities Development Corporation, Hospital Revenue Bonds
(Scott & White Memorial Hospital), VRDN, Series 2001-1, 3.55% due 8/15/2031 (d)(g) 1,200
1,500 Bexar County, Texas, Health Facilities Development Corporation, Revenue Refunding Bonds
(Army Retirement Residence Project), 6.30% due 7/01/2032 1,613
1,500 Brazos River Authority, Texas, PCR, Refunding (TXU Energy Company LLC Project), AMT,
Series A, 6.75% due 4/01/2038 1,668
5,085 Brazos River Authority, Texas, PCR, Refunding (Texas Utility Company), AMT, Series A,
7.70% due 4/01/2033 5,936
4,000 Dallas-Fort Worth, Texas, International Airport Facility Improvement Corporation,
Revenue Bonds (Learjet Inc.), AMT, Series A-1, 6.15% due 1/01/2016 4,043
5,000 Dallas-Fort Worth, Texas, International Airport Facility Improvement Corporation,
Revenue Refunding Bonds, AMT, Series A-2, 9% due 5/01/2029 5,776
2,440 Gulf Coast, Texas, IDA, Solid Waste Disposal Revenue Bonds (Citgo Petroleum
Corporation Project), AMT, 7.50% due 5/01/2025 2,744
3,000 Gulf Coast, Texas, Waste Disposal Authority, Revenue Refunding Bonds (International
Paper Company), AMT, Series A, 6.10% due 8/01/2024 3,229
5,500 Harris County, Texas, Health Facilities Development Corporation, Hospital Revenue Bonds
(Texas Children's Hospital), VRDN, Series B-1, 3.56% due 10/01/2029 (d)(g) 5,500
9,320 Harris County, Texas, Revenue Refunding Bonds, DRIVERS, Series 1111, 6.59% due
8/15/2009 (c)(i) 10,199
6,300 Harris County, Texas, Revenue Refunding Bonds, DRIVERS, Series 1172-Z, 6.601% due
8/15/2009 (c)(i) 6,866
1,500 Houston, Texas, Health Facilities Development Corporation, Retirement Facility Revenue
Bonds (Buckingham Senior Living Community), Series A, 7% due 2/15/2023 1,668
7,420 Lower Colorado River Authority, Texas, PCR (Samsung Austin Semiconductor), AMT, 6.95%
due 4/01/2030 8,191
2,600 Matagorda County, Texas, Navigation District Number 1, Revenue Refunding Bonds
(Reliant Energy Inc.), Series C, 8% due 5/01/2029 2,775
2,300 Port Corpus Christi, Texas, Individual Development Corporation, Environmental Facilities
Revenue Bonds (Citgo Petroleum Corporation Project), AMT, 8.25% due 11/01/2031 2,389
5,000 Sabine River Authority, Texas, PCR, Refunding (TXU Electric Company Project/TXU Energy
Company LLC), AMT, Series B, 5.75% due 5/01/2030 5,305
Virginia - 4.5% 3,285 James City County, Virginia, IDA, Residential Care Facility, Revenue Refunding Bonds,
Series A, 5.75% due 3/01/2017 3,428
1,150 James City County, Virginia, IDA, Residential Care Facility, Revenue Refunding Bonds,
Series A, 6% due 3/01/2023 1,218
2,250 Loudoun County, Virginia, IDA, IDR, Refunding (Dulles Airport Marriott Hotel), 7.125%
due 9/01/2015 2,288
10,735 Pocahontas Parkway Association, Virginia, Toll Road Revenue Bonds, Senior-Series A,
5.50% due 8/15/2008 (h) 11,316
7,800 Tobacco Settlement Financing Corporation of Virginia, Asset-Backed Revenue Bonds,
5.625% due 6/01/2037 8,154
Washington - 1.9% 10,000 Snohomish County, Washington, School District Number 015 (Edmonds), GO, 5% due
12/01/2019 (b) 10,718
Guam - 0.8% 4,250 Commonwealth of the Northern Mariana Islands, Guam, GO, Series A, 6.75% due 10/01/2033 4,756
Puerto Rico - 7.6% 1,820 Puerto Rico Commonwealth, Public Improvement, GO, Refunding, Series B, 5.25% due
7/01/2032 1,926
17,935 Puerto Rico Electric Power Authority, Power Revenue Bonds, Series NN, 5.50% due
7/01/2018 19,367
5,390 Puerto Rico Industrial, Medical and Environmental Pollution Control Facilities
Financing Authority, Special Facilities Revenue Bonds (American Airlines Inc.),
Series A, 6.45% due 12/01/2025 5,393
5,170 Puerto Rico Public Buildings Authority, Government Facilities Revenue Refunding Bonds,
Series D, 5.25% due 7/01/2027 5,367
8,000 Puerto Rico Public Buildings Authority, Government Facilities Revenue Refunding Bonds,
Series I, 5.50% due 7/01/2021 8,676
3,535 Puerto Rico Public Finance Corporation, Commonwealth Appropriation Revenue Bonds,
Series E, 5.50% due 8/01/2029 3,748
U.S. Virgin 1,860 Virgin Islands Government Refinery Facilities, Revenue Refunding Bonds (Hovensa Coker
Islands - 1.6% Project), AMT, 6.50% due 7/01/2021 2,093
6,750 Virgin Islands Public Finance Authority, Refinery Facilities Revenue Bonds (Hovensa
Refinery), AMT, 6.125% due 7/01/2022 7,433
Total Investments (Cost - $851,963*) - 152.0% 886,443
Other Assets Less Liabilities - 2.9% 16,796
Preferred Stock, at Redemption Value - (54.9%) (320,223)
------------
Net Assets Applicable to Common Stock - 100.0% $ 583,016
============
* The cost and unrealized appreciation (depreciation) of investments
as of August 31, 2006, as computed for federal income tax purposes,
were as follows:
Aggregate cost $ 852,082
===============
Gross unrealized appreciation $ 34,754
Gross unrealized depreciation (393)
---------------
Net unrealized appreciation $ 34,361
===============
(a) AMBAC Insured.
(b) FGIC Insured.
(c) FSA Insured.
(d) MBIA Insured.
(e) Federal Housing Administration/Veterans' Administration Mortgages
packaged by the Federal National Mortgage Association.
(f) XL Capital Insured.
(g) Security may have a maturity of more than one year at time of issuance,
but has variable rate and demand features that qualify it as a short-term
security. The rate disclosed is that currently in effect. This rate
changes periodically based upon prevailing market rates.
(h) Prerefunded.
(i) The rate disclosed is that currently in effect. This rate changes
periodically and inversely based upon prevailing market rates.
(j) CIFG Insured.
(k) FHA Insured.
o Forward interest rate swaps outstanding as of August 31, 2006
were as follows:
Notional Unrealized
Amount Depreciation
Pay a fixed rate of 4.344% and receive
a floating rate based on a 1-week Bond
Market Association rate
Broker, JPMorgan Chase
Expires October 2026 $ 40,000 $ (1,255)
Item 2 - Controls and Procedures
2(a) - The registrant's certifying officers have reasonably designed such
disclosure controls and procedures to ensure material information
relating to the registrant is made known to us by others particularly
during the period in which this report is being prepared. The
registrant's certifying officers have determined that the
registrant's disclosure controls and procedures are effective based
on our evaluation of these controls and procedures as of a date
within 90 days prior to the filing date of this report.
2(b) - There were no changes in the registrant's internal control over
financial reporting (as defined in Rule 30a-3(d) under the Act
(17 CFR 270.30a-3(d)) that occurred during the last fiscal quarter of
the period covered by this report that has materially affected, or is
reasonably likely to materially affect, the registrant's internal
control over financial reporting.
Item 3 - Exhibits
Certifications - Attached hereto
Pursuant to the requirements of the Securities Exchange Act of 1934 and the
Investment Company Act of 1940, the registrant has duly caused this report
to be signed on its behalf by the undersigned, thereunto duly authorized.
BlackRock Muni Intermediate Duration Fund, Inc.
By: /s/ Robert C. Doll, Jr.
-----------------------
Robert C. Doll, Jr.
Chief Executive Officer
BlackRock Muni Intermediate Duration Fund, Inc.
Date: October 19, 2006
Pursuant to the requirements of the Securities Exchange Act of 1934 and the
Investment Company Act of 1940, this report has been signed below by the
following persons on behalf of the registrant and in the capacities and on
the dates indicated.
By: /s/ Robert C. Doll, Jr.
-----------------------
Robert C. Doll, Jr.
Chief Executive Officer
BlackRock Muni Intermediate Duration Fund, Inc.
Date: October 19, 2006
By: /s/ Donald C. Burke
-----------------------
Donald C. Burke
Chief Financial Officer
BlackRock Muni Intermediate Duration Fund, Inc.
Date: October 19, 2006