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Original ArticleOpen Access
Interlaboratory Results for Blood Lead Proficiency Testing Program in Thailand
Pidetcha P 
,
Suwanthon L ,
Preeclzavuth A ,
Pusiri A ,
Tan SC
,
Suwanthon L ,
Preeclzavuth A ,
Pusiri A ,
Tan SC Between December 1994 to 1995. Faculty of Medical Technology, Mahidol University
have a thirthteen laboratory to paticipate in Blood Lead Proficiency Testing Program (BLPT). Everymonth
the Toxicology Unit in Faculty of Medical Technology Mahldol University which served
for Reference Laboratory Center for BLPT send the three lots of whole blood sample which
made from bovine blood to the participants by EMS. After evaluation in term of accuracy : using
75 per cent correctly when compared with the target value. There are nine laboratory which have
successful in blood lead below 20 µgldL and three laboratory which passing the analysed when
the concentration of blood lead at 21-50 µg/dL and 51-80 µg/dL.
In term of precision evaluation the planning process will show that laboratory using
Graphite Furnace Atomic Absorption Spectrophotometer (GFAAS) reported reliability than using
Flame Atomic Absorption Spectrophotometer (FAAS). From joining with this program the
participants will get three advantages, First the target value from the reference laboratory in Thailand
and Singapore are similar with the Center for Disease Control (CDC) from the United State
of America which known world wide for Reference Laboratory. In the second participants will
develope the analysis and solve the problem by himself, The third advantage : will showing the
superior, methodology and instruments which garantee for quality assurance and guideline to
standardized blood lead analysis in the International level.
Key word : Blood Lead, Interlaboratory, Proficiency Testing, Reference Laboratory Center,
Graphite Furnace Atomic Absorption Spectrophotometer (GFAAS), Flame Atomic
Absorption Spectrophotometer (FAAS)
have a thirthteen laboratory to paticipate in Blood Lead Proficiency Testing Program (BLPT). Everymonth
the Toxicology Unit in Faculty of Medical Technology Mahldol University which served
for Reference Laboratory Center for BLPT send the three lots of whole blood sample which
made from bovine blood to the participants by EMS. After evaluation in term of accuracy : using
75 per cent correctly when compared with the target value. There are nine laboratory which have
successful in blood lead below 20 µgldL and three laboratory which passing the analysed when
the concentration of blood lead at 21-50 µg/dL and 51-80 µg/dL.
In term of precision evaluation the planning process will show that laboratory using
Graphite Furnace Atomic Absorption Spectrophotometer (GFAAS) reported reliability than using
Flame Atomic Absorption Spectrophotometer (FAAS). From joining with this program the
participants will get three advantages, First the target value from the reference laboratory in Thailand
and Singapore are similar with the Center for Disease Control (CDC) from the United State
of America which known world wide for Reference Laboratory. In the second participants will
develope the analysis and solve the problem by himself, The third advantage : will showing the
superior, methodology and instruments which garantee for quality assurance and guideline to
standardized blood lead analysis in the International level.
Key word : Blood Lead, Interlaboratory, Proficiency Testing, Reference Laboratory Center,
Graphite Furnace Atomic Absorption Spectrophotometer (GFAAS), Flame Atomic
Absorption Spectrophotometer (FAAS)
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