The following were invited seminars presented in different departments.

1.    "Plastic detectors and radon gas inside houses", Physics Department, KFUPM (29 Nov. 1981).

2.   "Radon Activity inside Houses", Physics Department, King Saud University, Riyadh (23 Feb., 1982).

3.    "A Study of the Activity of Radon-222 inside Houses in Saudi Arabia", Research Seminar at KFUPM (14 June, 1982).

4.   "Nuclear Track Detectors Results in Three Different Applications", Physics Department, KFUPM (16 Nov., 1982).

5.     "Application of Nuclear Track Detectors", Nuclear Engineering Department, King Abdul-Aziz University, Jeddah (4 April, 1983).

6.    "Development of Nuclear Track Detectors for fast Neutron Personnel Dosimetry", Physics Department, KFUPM (25 Dec., 1 983).

7.    "Radon Research at Lawrence Berkeley Laboratory, California, Summer 1984", Physics Department, KFUPM (20 Dec., 1 984).

8-10 "Rotating target facility at Lawrence Livermore Laboratory, University of California", Energy Research Laboratory, Research Institute, KFUPM (3 continuous seminars in Nov. 1985).

11.    "Radon Activity in Saudi Houses", Physics Department, KFUPM (Feb. 11, 1986)

12.   "Environmental Stations around ERL", Energy Research Laboratory, Research Institute, KFUPM (Oct. 1986).

13.  "Neutron Personnel Dosimetry", Energy Research Laboratory, Research Institute, KFUPM (March 1986).

14.   "Some Health Physics Aspects of ERL Building", Energy Research Laboratory, Research Institute, KFUPM (2 times in Nov. 1986).

15.  "Results of TLD Intercomparisons between KFK, Germany and KFUPM", Energy Research Laboratory, Research Institute, KFUPM (2 times in Feb, 1987).

16.  "Radiation Safety Analysis for ERL Building and KFUPM Community", Energy Research Laboratory, Research Institute, KFUPM (March 1987).

17. "Thermo luminescence Dosimetry Theory and Practice", Energy Research Laboratory, Research Institute, KFUPM (April 1987).

18.   "Calibration of TLD system at ERL" 31 Oct., 1987 at ERL /RI / KFUPM.

19. "Principle of Nuclear Track Detectors", Energy Research Laboratory, Research Institute, KFUPM (March 1990).

20. "Radiation Protection Program at ERL", Energy Research Laboratory, Research Institute, KFUPM (25 Nov., 1990).

21. "Radiation Protection Program at ERL", Energy Research Laboratory, Research Institute, KFUPM (11 June, 1991).

22.   "Radiation Protection Program at ERL", RI Technical Seminar, Research Institute, KFUPM (9 Dec., 1991).

23.   "Environmental radioactivity in Eastern Province of Saudi Arabia due to oil fire in Kuwait", ERL, Research Institute, KFUPM  (18 Oct., 1991).

24.    "Effect of CO2 pulsed laser on the registration properties of CR-39 Nuclear track detector" special presentation for laser group at ERL/RI/KFUPM  (27 Sept., 1992.

25.    “ Indoor Radon activity and its hazards” ERL, Research Institute, KFUPM (Dec. 5, 1992).

26.   “Indoor Radon activity and its hazards” RI Technical Seminar, Research Institute, KFUPM (Feb., 1993).

27.     “Indoor Natural Radioactive Gas and its hazards” Chem. Dept./KFUPM (March 2, 1993)

28.     “ Indoor Radon activity and its hazards” Physics Dept./KSU/Riyadh. (April, 1993)

29.    “Radiation safety aspects of ERL working environment”. ERL, Research Institute, KFUPM (13 Nov., 93).

30.     “Radiation Protection Group Services and Procedures at ERL for  93/94” ERL, Research Institute, KFUPM (23 Nov., 1994).

31.     “Safety aspects of tritium management system at ERL” ERL, Research Institute, KFUPM  (5- Dec.1995).

32.    “soil radon gas surveying: an exploration tool for oil and natural gas” Presented at Saudi Aramco (30 June, 1996).

33.    “soil radon gas surveying: an exploration tool for oil and natural gas” ERL, Research Institute, KFUPM. (25 Dec, 1996).

34.     “Safety aspects of tritium management system at ERL” ERL, Research Institute, KFUPM  (26- Oct.1997), presented to the operation and radiation protection groups.

35.     “Safety aspects of tritium management system at ERL” ERL, Research Institute, KFUPM  (5- Dec.1997), presented to coordinators of Energy Resources Division.

36.   “Indoor cigarette smoking: Uranium content and carrier of indoor radon products” (22 Feb. 1998) Joint seminar of Research Institute and physics dept./KFUPM.

37.      Radon Gas as exploration tool for oil and natural Gas (Nov. 1998) Presented as a Joint seminar (RI and Physics Dept.)/KFUPM.

38.     Operational experience with the 45° beam line as a neutron source, presented as CAPS seminar:  (March 1999)/KFUPM

39.     Radiation Protection Group Activities (25 Dec. 1999) . presented to director and section managers RI/KFUPM

40.      Indoor Radon Survey in Dwellings of Seven Different Cities of the Eastern and the western Provinces of Saudi Arabia-Research Proposal (Feb. and May 2000) CAPS/KFUPM

41.     Measurement of Environmental Solar UV radiation at Dhahran-Saudi Arabia. presented at Caps on 22 October, 2000.

42.     Measurement of Environmental Solar UV radiation at Dhahran-Saudi Arabia. presented at Physics Department/KFUPM on 29 October, 2000.

43.     Measurement of Environmental Solar UV radiation at Dhahran-Saudi Arabia. presented at Research Institute/KFUPM- March 2001.

44.     Invited speaker: Measurement of Environmental Solar UV radiation at Dhahran-Saudi Arabia. ICTP symposium on Environmental Radioactivity. Yarmouk University, Irbid-Jordan 22-25 Sept. 2001.

45.    Invited speaker: Indoor Cigarette Smoking and its radioactivity. ICTP symposium on Environmental Radioactivity. Yarmouk University, Irbid-Jordan 22-25 Sept. 2001.

46.     Indoor radon, Environment and Citizenship- 10-June-2002- Riyadh Saudi Arabia

47.  Invited speaker: Radioactivity Aspects of Indoor Cigarette Smoking, Environmental Compliance Division, Environmental Protection Department- -28th May, 2003 Saudi Aramco.

48.    Radiation Based Technologies in Saudi Aramco (utilization and Protection). Rabigh refinery, Engineering Enrichment program- -9th July 2003 Saudi Aramco

49.  Cigarette Smoking; Radioactive and Carrier of Indoor Radon Progeny, Environmental Compliance Division, Environmental Protection Department, 29 Sept. 2003. Saudi Aramco.

50.    Radiation Based Technologies in Saudi Aramco (utilization and Protection). Environment 101 Short course 6th October, 2003 PEDD, Dhahran, Saudi Aramco

51.     Radiation Based Technologies in Saudi Aramco (utilization and Protection).. Ras-Tanura Refinery- 12th Oct. 2003. Saudi Aramco

52.     Radiation Based Technologies in Saudi Aramco (utilization and Protection). Environment 101 Short course 13th October, 2003 PEDD, Dhahran, Saudi Aramco

53.     Radiation Based Technologies in Saudi Aramco (utilization and Protection). Abqaiq-road show-14th Oct. 2003, Saudi Aramco.

54.     Radioactivity in our Environment- Drilling and Workover Dept. 21 Jan. 2004. Saudi Aramco.

55.     Radiation Based Technologies in Saudi Aramco (utilization and Protection). Environment 101 Short course 19th April, 2004 PEDD, Dhahran, Saudi Aramco

56.     Radiation Based Technologies in Saudi Aramco (utilization and Protection). Environment 101 Short course 26th April, 2004 PEDD, Dhahran, Saudi Aramco

57.     Radioactivity in our environment. Abqaiq-quarterly health and Safety meeting-19th May 2004.  Saudi Aramco

58.     Radiation Based Technologies in Saudi Aramco (Utilization and Protection). Abqaiq- -28th Sept. 2004.  Saudi Aramco

59.     Radiation Based Technologies in Oil and Gas Industry. Physics Dept. King Fahd University and Petroleum. 3rd Oct. -2004.

60.     Radiation Based Technologies in Saudi Aramco (utilization and Protection). Pipe Line Division- Saudi Aramco-3rd April-2005

61.     Radiation Based Technologies in Saudi Aramco (utilization and Protection). Shadgum GP-Reliability. Unit- 18th April, 2005.  Saudi Aramco

62.     Management of Obsolete Radioactive Sources. Material Planning Department- Saudi Aramco, 10 May, 2005.

63.    Radiation Based Technologies in Saudi Aramco (Utilization and Protection). Ras-Tanura refinery-LPD-- 19th Sept,--2005 Saudi Aramco

64.    Radiation Protection Permit Exam for Industrial radiography. Environmental Compliance Division, Environment Protection Department-Saudi Aramco-2004.

65.     Man-Made Ionizing Radiation Sources Management, Environmental Protection Department. Annual meeting, Feb. 15th, 2006.

66.     Radiation Based Technologies in Oil and Gas Industry. Nuclear Engineering Dept. King Abdel-Aziz University. 28 Feb -2006.

67.      Radioactivity. Radiation Protection Unit (RPU) –1st Professional Development Day-RPU- Environmental Protection Department-Saudi Aramco - 8 August, 2006

68.      Radiation Based Technologies in Oil and Gas Industry.  Saudi Aramco-North  Area Oil Operation. 24 August -2006.

69.      Indoor Radon. Saudi Aramco-Central Community Service Department-Dhahran-28 August, 2006.

70.      Radiation Detectors and instrumentations. 5th Professional Development Day- RPU- Environmental Protection Department-Saudi Aramco - December,  14th, 2006.

71.    Radiation Survey. 7th Professional Development Day- RPU- Environmental Protection Department-Saudi Aramco - Feb,  9th, 2007.

72.     The Radon Levels in Ground Water of Major Productive Aquifers in Eastern Province of Saudi Arabia – Department of Physics- 30th Sept. 2007.

73.     The Radon Levels in Ground Water of Major Productive Aquifers in Eastern Province of Saudi Arabia – Department of Earth Science- 6th Nov. 2007.

74.    The Radon Levels in Ground Water of two Major Productive Aquifers in Eastern Province of Saudi Arabia – ECD- Environmental Protection Department-Saudi Aramco –Nov. 28th. 2007.