Statement on the effects of lead on maternal health

Appendix 1 - Statement on the effects of lead on maternal health

COT/2024/03

Last updated: 10 May 2024

Lead exposure from food in women of childbearing age

Table 1. Estimated exposure (in µg/kg bw/day) to lead from foods consumed by women of childbearing age (16-49 years) using data from the total diet study food groups (Bates et al., 2014, 2016; Roberts et al., 2018). 

Food Groups

Mean Exposure to lead LB to UB (µg/kg bw/day)*

97.5th Percentile Exposure to lead LB to UB (µg/kg bw/day) *

Bread

0.0061

0.015

Miscellaneous Cereals

0.0080

0.023

Carcase meat

0-0.0014

0-0.0065

Offal

0.00057

0.011

Meat products

0.0022

0.010

Poultry

0.0015

0.0055

Fish and seafood

0.0015

0.0071

Fats and oils

0-0.00034

0-0.0010

Eggs

0-0.00052

0-0.0025

Sugars and confectionaries

0.0020

0.0081

Green vegetables

0.0088

0.034

Potatoes

0-0.0045

0-0.013

Other vegetables

0.0063

0.019

Canned vegetables

0.0027

0.013

Fresh fruit

0-0.0047

0- 0.018

Fruit products

0.0041

0.024

Non-alcoholic beverages

0-0.039

0-0.091

Milk

0-0.0037

0-0.014

Dairy products

0.0023

0.0087

Nuts and seeds

0-0.00013

0-0.0011

Alcoholic drinks

0.0053

0.037

Meat substitutes

0.00020

0.0027

Snacks

0.00055

0.0025

Desserts

0.00062

0.0039

Condiments

0.0045

0.016

Tap water

0-0.0048

0-0.021

Bottled water

0-0.0013

0-0.0093

Total

0.057-0.12

0.12-0.23

*Values have been rounded to two significant figures. LB=lower bound; UB=upper bound. “Total” is sum of the values for individual items.

Lead exposures from water in women of childbearing age

Table 2. Concentration of lead in tap water sampled in the nations of the United Kingdom in 2019 (µg/l).

Region

N

LB mean

LB SD

UB mean

UB SD

England and Wales*

10967

0.38

0.38

2.15

1.9

Scotland

436

0.34

1.2

0.48

1.2

Northern Ireland

122

0.24

0.79

1.1

0.75

*99th percentile concentration.

LB = lower bound: values below the limit of detection assumed to be zero.

UB = upper bound: values below the limit of detection assumed to be the same as the limit of detection.

References

Bates, B.; Lennox, A.; Prentice, A.; Bates, C.; Page, P.; Nicholson, S.; Swan, G. (2014) National Diet and Nutrition Survey Results from Years 1, 2, 3 and 4 (combined) of the Rolling Programme (2008/2009 – 2011/2012) Available at: Main heading (publishing.service.gov.uk)

Bates, B.; Cox, L.; Nicholson, S.; Page, P.; Prentice, A.; Steer, T.; Swan, G. (2016) National Diet and Nutrition Survey Results from Years 5 and 6 (combined) of the Rolling Programme (2012/2013 – 2013/2014): Main heading (publishing.service.gov.uk).

Roberts, C.; Steer, T.; Maplethorpe, N.; Cox, L.; Meadows, S.; Page, P.; Nicholson, S.; Swan, G. (2018) National Diet and Nutrition Survey Results from Years 7 and 8 (combined) of the Rolling Programme (2014/2015 – 2015/2016): National Diet and Nutrition Survey (publishing.service.gov.uk).