Lead

Question 1

Blood lead surveillance thresholds

Answer 1

20ug/dl repro women

35 everyone else

Question 2

Blood lead testing freq

Answer 2

Below 30ug/dl yearly
30-40 6 months
40-60 3 months
60 doc discretion

Question 3

Blood lead action/suspend levels

Answer 3

Adult 50-60
Young 40 suspend 50
Repro women 25 suspend 30 and if PREGNANT

Question 4

Urine lead surveillance thresholds

Answer 4

Repro women 20ug pb/g creat

Everyone else 40

Question 5

Urine lead suspension levels - organic

Answer 5

Repro women 25 ug pb/ g creat

All others 110

Question 6

Lead surveillance if

Answer 6

50% + WEL
Substantial risk of ingestion
Dermal absorption

Question 7

Special considerations lt workers

Answer 7

Ie 20yrs + or 10 yrs over 40
Higher levels acceptable eg 70-80 w n zpp below 20
80= n ALD above 6

Question 8

Alkyls

Answer 8

Used in leaded petrol
Accumulate in liver, kidneys
Acute poisoning - emergency eg encephalopathy

Question 9

Inorg lead

Answer 9

Mainly in bone 94% t2 around 20 years

Xfer to breast milk

Question 10

Suspension action

Answer 10

Repeat bloods immediately

Suspend ie unfit notice