Table 2.1: Summary of WES and BLRL that have supporting documentation Country WESa Date BLRL (µg/dL) a, b Date & Fraction Comment Reference M & FP & Agency Set Revised FR Set Revised FNR FB This is a recommendation from a committee, not legislated. However, it has been picked up by various member countries. Lead 30 EC Rationale not clear, however BLRL fumes and 0.1 2002 NS 2002 NS 2002 (SCOEL) seems to be set at a level lower than dusts (non-legislated BLRL) that which is said to protect against a <10µm range of health effects in adult workers. Background PbB seems to have been considered. Germany DFG 2005; Supporting documentation only located - - - - 2000 2013d (DFG) 30 c 7 c for previous recommendations. 2013a, b 30 BLRL set to minimise potential for a USA 2001a, 0.05 1995 NA Inhalable 1995 NA range of non-transient effects. WES set (ACGIH) Implied BLRL for pregnant b to conform with BLRL. 10 e females = BLRL set to minimise potential for a 30 40 of adverse effects. WES set to conform 0.03 with BLRL using a relationship of 0.5 Health – 1980 NA NS 1980 NA WHO 1980 0.06 µg/dL increase in PbB per µg/m3 (i.e. (non-legislated Organisation (non- (WHO) 0.001 mg/m3) PbAir and a background BLRL) PbB of 10 to 25 µg/dL. BLRL) <20 The scientific expert panel for the (to prevent effects & Development of Adult PbB Level chronic for 10-20 yr. Medical Management Guidelines Scientific exposure) suggested these revised BLRL aiming Schwartz - - - - 2007 NA that their publication would have an and Hu 2007 10 impact on policy. members (to prevent chronic effects for 20-40 yr. exposure) They similar recommendations had been made >15 years before. (non-legislated BLRL)
Table 2.1: Summary of WES and BLRL that have supporting documentation Country & Agency WESa Date Fraction BLRL (µg/dL) a, b Date Comment Reference Set Revised M & FNR FR FP & FB Set Revised EC (SCOEL) 0.1 2002 NS Lead fumes and dusts <10µm 30 (non-legislated BLRL) 2002 NS This is a recommendation from a committee, not legislated. However, it has been picked up by various member countries. Rationale not clear, however BLRL seems to be set at a level lower than that which is said to protect against a range of health effects in adult workers. Background PbB seems to have been considered. 2002 Germany (DFG) - - - - 30 c 7 c 2000 2013d Supporting documentation only located for previous recommendations. DFG 2005; 2013a, b USA (ACGIH) 0.05 1995 NA Inhalable 30 Implied BLRL for pregnant females = 10 e 1995 NA BLRL set to minimise potential for a range of non-transient effects. WES set to conform with BLRL. 2001a, b Health Organisation (WHO) 0.03 – 0.06 1980 NA NS 40 (non- BLRL) 30 (non-legislated BLRL) 1980 NA BLRL set to minimise potential for a of adverse effects. WES set to conform with BLRL using a relationship of 0.5 µg/dL increase in PbB per µg/m3 (i.e. 0.001 mg/m3) PbAir and a background PbB of 10 to 25 µg/dL. WHO 1980 Scientific members - - - - <20 (to prevent effects & chronic for 10-20 yr. exposure) 10 (to prevent chronic effects for 20-40 yr. exposure) (non-legislated BLRL) 2007 NA The scientific expert panel for the Development of Adult PbB Level Medical Management Guidelines suggested these revised BLRL aiming that their publication would have an impact on policy. They similar recommendations had been made >15 years before. Schwartz and Hu 2007
review-hazards-health-effects-inorganic-lead-report.docx