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Heavy Metal Index
A slice of iced chocolate cake, chocolate-chip cookies and cut chocolate nut candy illustrating chocolate chip cookies ingredient context.

Heavy metals in Chocolate chip cookies

Lead, cadmium, total arsenic and total mercury in chocolate chip cookies: monitoring results, studies, references by form and basis, limits, testing and controls.

Quick read

Chocolate chip cookies in the HMI library has 17 reported results for lead, cadmium, total arsenic, total mercury, nickel, chromium and uranium from 4 sources.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →2U.S. Food and Drug Administration · 2022FY2018-FY2020 TDS Elements Analytical ResultsFDA Total Diet StudyRead source →3Alexandra Gavelek, Judith Spungen, Dana Hoffman-Pennesi, Brenna Flannery, Laurie Dolan, Sherri Dennis, Suzanne Fitzpatrick · 2019Lead exposures in older children (males and females 7-17 years), women of childbearing age (females 16-49 years) and adults (males and females 18+ years): FDA total diet study 2014-16Food Additives & Contaminants: Part ARead source →4Spungen JH, et al. · 2024Infants’ and young children’s dietary exposures to lead and cadmium: FDA total diet study 2018-2020Food Additives & Contaminants: Part ARead source →

Chocolate chip cookies overview

Chocolate chip cookies in the HMI library has 17 reported results for lead, cadmium, total arsenic, total mercury, nickel, chromium and uranium from 4 sources.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →2U.S. Food and Drug Administration · 2022FY2018-FY2020 TDS Elements Analytical ResultsFDA Total Diet StudyRead source →3Alexandra Gavelek, Judith Spungen, Dana Hoffman-Pennesi, Brenna Flannery, Laurie Dolan, Sherri Dennis, Suzanne Fitzpatrick · 2019Lead exposures in older children (males and females 7-17 years), women of childbearing age (females 16-49 years) and adults (males and females 18+ years): FDA total diet study 2014-16Food Additives & Contaminants: Part ARead source →4Spungen JH, et al. · 2024Infants’ and young children’s dietary exposures to lead and cadmium: FDA total diet study 2018-2020Food Additives & Contaminants: Part ARead source → WHO GEMS/Food submissions reported lead in chocolate chip cookies, as sold from 37 results in 1 reporting region, with subgroup medians below 15 µg/kg, mostly non-detects.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source → In the US Total Diet Study, chocolate chip cookies, as sold had a median lead result of 7.1 µg/kg across 3 composites from 2018–2020.2U.S. Food and Drug Administration · 2022FY2018-FY2020 TDS Elements Analytical ResultsFDA Total Diet StudyRead source →

Across 2 other studies of ordinary farms and markets, reported lead means and medians on an as-sold or fresh-weight basis ranged from 7.6 µg/kg (Spungen et al. 2024) to 8 µg/kg (Gavelek et al. 2019).3Alexandra Gavelek, Judith Spungen, Dana Hoffman-Pennesi, Brenna Flannery, Laurie Dolan, Sherri Dennis, Suzanne Fitzpatrick · 2019Lead exposures in older children (males and females 7-17 years), women of childbearing age (females 16-49 years) and adults (males and females 18+ years): FDA total diet study 2014-16Food Additives & Contaminants: Part ARead source →4Spungen JH, et al. · 2024Infants’ and young children’s dietary exposures to lead and cadmium: FDA total diet study 2018-2020Food Additives & Contaminants: Part ARead source → Spungen et al. 2024 reported cadmium at 48 µg/kg (mean) in chocolate chip cookies, as sold from all samples.4Spungen JH, et al. · 2024Infants’ and young children’s dietary exposures to lead and cadmium: FDA total diet study 2018-2020Food Additives & Contaminants: Part ARead source →

For a buyer the practical points are the form bought, the basis a result is reported on, where the chocolate chip cookies came from and the laboratory’s reporting limit. Testing finds contamination but does not remove it.

What counts as chocolate chip cookies

This page covers chocolate chip cookies in 2 forms kept separate in every comparison: chocolate chip cookies, as sold (16 results) and chocolate chip cookies, cooked (1 result).1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →2U.S. Food and Drug Administration · 2022FY2018-FY2020 TDS Elements Analytical ResultsFDA Total Diet StudyRead source →3Alexandra Gavelek, Judith Spungen, Dana Hoffman-Pennesi, Brenna Flannery, Laurie Dolan, Sherri Dennis, Suzanne Fitzpatrick · 2019Lead exposures in older children (males and females 7-17 years), women of childbearing age (females 16-49 years) and adults (males and females 18+ years): FDA total diet study 2014-16Food Additives & Contaminants: Part ARead source →4Spungen JH, et al. · 2024Infants’ and young children’s dietary exposures to lead and cadmium: FDA total diet study 2018-2020Food Additives & Contaminants: Part ARead source →

Results stay on the basis each source reports: as sold or fresh weight, dry weight, or unstated. Dry-weight, as-sold and unstated results are never pooled, and no moisture conversion is applied.

Heavy metal contamination profile of chocolate chip cookies

The table holds every extracted chocolate chip cookies result: one row for each statistic a source reports for a form, group and metal, 17 rows in all, grouped by metal and form; percentiles, ranges and maxima for the same samples as a mean or median are shown on that row.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →2U.S. Food and Drug Administration · 2022FY2018-FY2020 TDS Elements Analytical ResultsFDA Total Diet StudyRead source →3Alexandra Gavelek, Judith Spungen, Dana Hoffman-Pennesi, Brenna Flannery, Laurie Dolan, Sherri Dennis, Suzanne Fitzpatrick · 2019Lead exposures in older children (males and females 7-17 years), women of childbearing age (females 16-49 years) and adults (males and females 18+ years): FDA total diet study 2014-16Food Additives & Contaminants: Part ARead source →4Spungen JH, et al. · 2024Infants’ and young children’s dietary exposures to lead and cadmium: FDA total diet study 2018-2020Food Additives & Contaminants: Part ARead source → Monitoring medians are HMI calculations from individual submissions; non-detects remain intervals between zero and the reporting limit and are never read as zero.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →

10 rows can be rated against an HMI reference for the same form and basis, 0 rows have a direct same-study comparison, and the rest stay unrated with the reason recorded.

Comparison methods and scope

Each row is one statistic a source reports for one form of chocolate chip cookies, group and metal; percentiles, ranges and maxima reported for the same samples as a mean or median are shown on that row. Different forms and preparation states are kept apart, and dry-weight results never share a reference with as-sold or fresh-weight results. Ratings place a result against an HMI reference built from monitoring results and ordinary-setting medians for the same form and basis. Same-study contrasts compare a contaminated or treated site with its control, targeted with random sampling, a prepared form with the unprocessed one, or one group of a study with the median of its other groups. Held rows failed a check against their own source and are shown but not compared.

About this table
Food formCollection scopeFindingComparisonEvidence
Chocolate chip cookies findings from monitoring programmes, total diet studies and every extracted field, market and contaminated-site study, in µg/kg with each source’s form, basis, statistic and censoring retained.
Food formCollection scopeFinding (µg/kg)ComparisonEvidence
5 findings · 4 studies
Chocolate chip cookies, as soldWHO GEMS/FoodPAHO2019median.
Chocolate chip cookies, as soldWHO GEMS/FoodPAHO2011–2017median.
Chocolate chip cookies, as soldFDA Total Diet Study1 collection regions2018–2020median.
Chocolate chip cookies, as soldGavelek et al. 2019US FDA Total Diet Study 2014-2016, all regions and collections2014–2016mean.
Chocolate chip cookies, as soldSpungen et al. 2024all samples2018–2020mean.
1 finding · 1 study
Chocolate chip cookies, cookedWHO GEMS/FoodPAHO2003–2010median.
6 findings · 3 studies
Chocolate chip cookies, as soldWHO GEMS/FoodPAHO2019median.
Chocolate chip cookies, as soldWHO GEMS/FoodPAHO2019median.
Chocolate chip cookies, as soldWHO GEMS/FoodPAHO1999–2018median.
Chocolate chip cookies, as soldWHO GEMS/FoodPAHO2011–2017median.
Chocolate chip cookies, as soldFDA Total Diet Study1 collection regions2018–2020median.
Chocolate chip cookies, as soldSpungen et al. 2024all samples2018–2020mean.
1 finding · 1 study
Chocolate chip cookies, as soldFDA Total Diet Study1 collection regions2018–2020median.
1 finding · 1 study
Chocolate chip cookies, as soldFDA Total Diet Study1 collection regions2018–2020median.
1 finding · 1 study
Chocolate chip cookies, as soldFDA Total Diet Study1 collection regions2018–2020median.
1 finding · 1 study
Chocolate chip cookies, as soldFDA Total Diet Study1 collection regions2018–2020median.
1 finding · 1 study
Chocolate chip cookies, as soldFDA Total Diet Study1 collection regions2018–2020median.
Shared dataset methods and interpretation

Source summaries retain their original statistic, material, basis and censoring. Each source drawer identifies methods and overlapping samples. No matched reference or pooled distribution is inferred.

HMI chocolate chip cookies Pb reference · Chocolate chip cookies, as sold

Reference and scope

HMI chocolate chip cookies Pb reference · Chocolate chip cookies, as sold. Chocolate chip cookies, as sold; As sold, as eaten or fresh weight, µg/kg; no moisture conversion. Distribution of subgroup median concentration values.

Reference (µg/kg)Q1MedianQ3
Primary HMI reference5.6–7.1 (bounded)7.1–8 (bounded)9–11 (bounded)
Alternative weighting5.6–7.1 (bounded)7.1–8 (bounded)9–11 (bounded)

11 reference units; 2 sampling families. Counts describe evidence units, not independent studies or certainty.

Contributing familyReference unitsWeight
WHO GEMS/Food850%
FDA Total Diet Study350%

Methods

HMI pools subgroup medians for chocolate chip cookies, as sold on a as sold, as eaten or fresh weight basis: monitoring results summarized as one median per reporting region, sampling type and collection year, total diet composites and printed sample values as single observations, and printed subgroup medians from ordinary farms or markets. Each sampling family has equal total weight. Non-detects stay as zero-to-limit intervals, so quartiles carry lower and upper bounds. Means, ranges and maxima never enter as observations. Other forms, other bases, targeted sampling and results from mining, industrial, wastewater-affected, experimental, fertiliser or manufacturer settings are kept out of this reference.

Inverse weighted empirical CDF; midpoint at exact cumulative-weight boundaries. At least four reference units and a definitely positive Q1 to Q3 spread are required. This is a display eligibility rule, not statistical validation.

Limitations

2 sampling families with different designs; none is a probability sample of world supply. Reporting regions and purchase markets are not growing areas. Non-detects with differing limits widen the bounds. A position is descriptive concentration, not a safety or compliance judgment.

Admitted source families

Reference version and interpretation

Frozen evidence selection: 2026-10-22. Method: hmi-pooled-reference-v2.

hmi-pooled-reference-v2:chocolate-chip-cookies-138872135956:c663a9ec0bbf

The reference is computed by HMI from admitted evidence, not copied from a study baseline. It describes the evidence currently in this scope; it is not a worldwide or current-lot benchmark. Source, year and region filters do not change it. Different HMI scopes are not one common ranking.

HMI chocolate chip cookies Pb reference · Chocolate chip cookies, cooked

Reference and scope

HMI chocolate chip cookies Pb reference · Chocolate chip cookies, cooked. Chocolate chip cookies, cooked; As sold, as eaten or fresh weight, µg/kg; no moisture conversion. Distribution of subgroup median concentration values.

Reference (µg/kg)Q1MedianQ3
Primary HMI reference8.529.8713.3
Alternative weighting8.529.8713.3

8 reference units; 1 sampling family. Counts describe evidence units, not independent studies or certainty.

Contributing familyReference unitsWeight
WHO GEMS/Food8100%

Methods

HMI pools subgroup medians for chocolate chip cookies, cooked on a as sold, as eaten or fresh weight basis: monitoring results summarized as one median per reporting region, sampling type and collection year, total diet composites and printed sample values as single observations, and printed subgroup medians from ordinary farms or markets. Each sampling family has equal total weight. Non-detects stay as zero-to-limit intervals, so quartiles carry lower and upper bounds. Means, ranges and maxima never enter as observations. Other forms, other bases, targeted sampling and results from mining, industrial, wastewater-affected, experimental, fertiliser or manufacturer settings are kept out of this reference.

Inverse weighted empirical CDF; midpoint at exact cumulative-weight boundaries. At least four reference units and a definitely positive Q1 to Q3 spread are required. This is a display eligibility rule, not statistical validation.

Limitations

WHO GEMS/Food is the only compatible sampling family for chocolate chip cookies, cooked on this basis in the completed chocolate chip cookies ledger, so this single-family reference cannot represent other markets. Reporting regions and purchase markets are not growing areas. Non-detects with differing limits widen the bounds. A position is descriptive concentration, not a safety or compliance judgment.

Admitted source families

Reference version and interpretation

Frozen evidence selection: 2026-10-22. Method: hmi-pooled-reference-v2.

hmi-pooled-reference-v2:chocolate-chip-cookies-776f571183f8:3b31a10f5c60

The reference is computed by HMI from admitted evidence, not copied from a study baseline. It describes the evidence currently in this scope; it is not a worldwide or current-lot benchmark. Source, year and region filters do not change it. Different HMI scopes are not one common ranking.

HMI chocolate chip cookies Cd reference · Chocolate chip cookies, as sold

Reference and scope

HMI chocolate chip cookies Cd reference · Chocolate chip cookies, as sold. Chocolate chip cookies, as sold; As sold, as eaten or fresh weight, µg/kg; no moisture conversion. Distribution of subgroup median concentration values.

Reference (µg/kg)Q1MedianQ3
Primary HMI reference253047
Alternative weighting25.53047

30 reference units; 2 sampling families. Counts describe evidence units, not independent studies or certainty.

Contributing familyReference unitsWeight
WHO GEMS/Food2750%
FDA Total Diet Study350%

Methods

HMI pools subgroup medians for chocolate chip cookies, as sold on a as sold, as eaten or fresh weight basis: monitoring results summarized as one median per reporting region, sampling type and collection year, total diet composites and printed sample values as single observations, and printed subgroup medians from ordinary farms or markets. Each sampling family has equal total weight. Non-detects stay as zero-to-limit intervals, so quartiles carry lower and upper bounds. Means, ranges and maxima never enter as observations. Other forms, other bases, targeted sampling and results from mining, industrial, wastewater-affected, experimental, fertiliser or manufacturer settings are kept out of this reference.

Inverse weighted empirical CDF; midpoint at exact cumulative-weight boundaries. At least four reference units and a definitely positive Q1 to Q3 spread are required. This is a display eligibility rule, not statistical validation.

Limitations

2 sampling families with different designs; none is a probability sample of world supply. Reporting regions and purchase markets are not growing areas. Non-detects with differing limits widen the bounds. A position is descriptive concentration, not a safety or compliance judgment.

Admitted source families

Reference version and interpretation

Frozen evidence selection: 2026-10-22. Method: hmi-pooled-reference-v2.

hmi-pooled-reference-v2:chocolate-chip-cookies-0a2276edf603:aaeb4fe9d4b8

The reference is computed by HMI from admitted evidence, not copied from a study baseline. It describes the evidence currently in this scope; it is not a worldwide or current-lot benchmark. Source, year and region filters do not change it. Different HMI scopes are not one common ranking.

HMI chocolate chip cookies tAs reference · Chocolate chip cookies, as sold

Reference and scope

HMI chocolate chip cookies tAs reference · Chocolate chip cookies, as sold. Chocolate chip cookies, as sold; As sold, as eaten or fresh weight, µg/kg; no moisture conversion. Distribution of subgroup median concentration values.

Reference (µg/kg)Q1MedianQ3
Primary HMI reference≤35.15.2
Alternative weighting≤35.15.2

3 reference units; 1 sampling family. Counts describe evidence units, not independent studies or certainty.

Contributing familyReference unitsWeight
FDA Total Diet Study3100%

Methods

HMI pools subgroup medians for chocolate chip cookies, as sold on a as sold, as eaten or fresh weight basis: monitoring results summarized as one median per reporting region, sampling type and collection year, total diet composites and printed sample values as single observations, and printed subgroup medians from ordinary farms or markets. Each sampling family has equal total weight. Non-detects stay as zero-to-limit intervals, so quartiles carry lower and upper bounds. Means, ranges and maxima never enter as observations. Other forms, other bases, targeted sampling and results from mining, industrial, wastewater-affected, experimental, fertiliser or manufacturer settings are kept out of this reference.

Inverse weighted empirical CDF; midpoint at exact cumulative-weight boundaries. At least four reference units and a definitely positive Q1 to Q3 spread are required. This is a display eligibility rule, not statistical validation.

Limitations

FDA Total Diet Study is the only compatible sampling family for chocolate chip cookies, as sold on this basis in the completed chocolate chip cookies ledger, so this single-family reference cannot represent other markets. Reporting regions and purchase markets are not growing areas. Non-detects with differing limits widen the bounds. A position is descriptive concentration, not a safety or compliance judgment.

Admitted source families

Reference version and interpretation

Frozen evidence selection: 2026-10-22. Method: hmi-pooled-reference-v2.

hmi-pooled-reference-v2:chocolate-chip-cookies-db032dbc83fb:9e31e5b06fa2

The reference is computed by HMI from admitted evidence, not copied from a study baseline. It describes the evidence currently in this scope; it is not a worldwide or current-lot benchmark. Source, year and region filters do not change it. Different HMI scopes are not one common ranking.

HMI chocolate chip cookies tHg reference · Chocolate chip cookies, as sold

Reference and scope

HMI chocolate chip cookies tHg reference · Chocolate chip cookies, as sold. Chocolate chip cookies, as sold; As sold, as eaten or fresh weight, µg/kg; no moisture conversion. Distribution of subgroup median concentration values.

Reference (µg/kg)Q1MedianQ3
Primary HMI reference≤1≤11.7
Alternative weighting≤1≤11.7

3 reference units; 1 sampling family. Counts describe evidence units, not independent studies or certainty.

Contributing familyReference unitsWeight
FDA Total Diet Study3100%

Methods

HMI pools subgroup medians for chocolate chip cookies, as sold on a as sold, as eaten or fresh weight basis: monitoring results summarized as one median per reporting region, sampling type and collection year, total diet composites and printed sample values as single observations, and printed subgroup medians from ordinary farms or markets. Each sampling family has equal total weight. Non-detects stay as zero-to-limit intervals, so quartiles carry lower and upper bounds. Means, ranges and maxima never enter as observations. Other forms, other bases, targeted sampling and results from mining, industrial, wastewater-affected, experimental, fertiliser or manufacturer settings are kept out of this reference.

Inverse weighted empirical CDF; midpoint at exact cumulative-weight boundaries. At least four reference units and a definitely positive Q1 to Q3 spread are required. This is a display eligibility rule, not statistical validation.

Limitations

FDA Total Diet Study is the only compatible sampling family for chocolate chip cookies, as sold on this basis in the completed chocolate chip cookies ledger, so this single-family reference cannot represent other markets. Reporting regions and purchase markets are not growing areas. Non-detects with differing limits widen the bounds. A position is descriptive concentration, not a safety or compliance judgment.

Admitted source families

Reference version and interpretation

Frozen evidence selection: 2026-10-22. Method: hmi-pooled-reference-v2.

hmi-pooled-reference-v2:chocolate-chip-cookies-6e6407656309:08262f642660

The reference is computed by HMI from admitted evidence, not copied from a study baseline. It describes the evidence currently in this scope; it is not a worldwide or current-lot benchmark. Source, year and region filters do not change it. Different HMI scopes are not one common ranking.

HMI chocolate chip cookies Ni reference · Chocolate chip cookies, as sold

Reference and scope

HMI chocolate chip cookies Ni reference · Chocolate chip cookies, as sold. Chocolate chip cookies, as sold; As sold, as eaten or fresh weight, µg/kg; no moisture conversion. Distribution of subgroup median concentration values.

Reference (µg/kg)Q1MedianQ3
Primary HMI reference530650800
Alternative weighting530650800

3 reference units; 1 sampling family. Counts describe evidence units, not independent studies or certainty.

Contributing familyReference unitsWeight
FDA Total Diet Study3100%

Methods

HMI pools subgroup medians for chocolate chip cookies, as sold on a as sold, as eaten or fresh weight basis: monitoring results summarized as one median per reporting region, sampling type and collection year, total diet composites and printed sample values as single observations, and printed subgroup medians from ordinary farms or markets. Each sampling family has equal total weight. Non-detects stay as zero-to-limit intervals, so quartiles carry lower and upper bounds. Means, ranges and maxima never enter as observations. Other forms, other bases, targeted sampling and results from mining, industrial, wastewater-affected, experimental, fertiliser or manufacturer settings are kept out of this reference.

Inverse weighted empirical CDF; midpoint at exact cumulative-weight boundaries. At least four reference units and a definitely positive Q1 to Q3 spread are required. This is a display eligibility rule, not statistical validation.

Limitations

FDA Total Diet Study is the only compatible sampling family for chocolate chip cookies, as sold on this basis in the completed chocolate chip cookies ledger, so this single-family reference cannot represent other markets. Reporting regions and purchase markets are not growing areas. Non-detects with differing limits widen the bounds. A position is descriptive concentration, not a safety or compliance judgment.

Admitted source families

Reference version and interpretation

Frozen evidence selection: 2026-10-22. Method: hmi-pooled-reference-v2.

hmi-pooled-reference-v2:chocolate-chip-cookies-146e8d2ddc1f:2b215ad3fc8b

The reference is computed by HMI from admitted evidence, not copied from a study baseline. It describes the evidence currently in this scope; it is not a worldwide or current-lot benchmark. Source, year and region filters do not change it. Different HMI scopes are not one common ranking.

HMI chocolate chip cookies Cr reference · Chocolate chip cookies, as sold

Reference and scope

HMI chocolate chip cookies Cr reference · Chocolate chip cookies, as sold. Chocolate chip cookies, as sold; As sold, as eaten or fresh weight, µg/kg; no moisture conversion. Distribution of subgroup median concentration values.

Reference (µg/kg)Q1MedianQ3
Primary HMI reference200300300
Alternative weighting200300300

3 reference units; 1 sampling family. Counts describe evidence units, not independent studies or certainty.

Contributing familyReference unitsWeight
FDA Total Diet Study3100%

Methods

HMI pools subgroup medians for chocolate chip cookies, as sold on a as sold, as eaten or fresh weight basis: monitoring results summarized as one median per reporting region, sampling type and collection year, total diet composites and printed sample values as single observations, and printed subgroup medians from ordinary farms or markets. Each sampling family has equal total weight. Non-detects stay as zero-to-limit intervals, so quartiles carry lower and upper bounds. Means, ranges and maxima never enter as observations. Other forms, other bases, targeted sampling and results from mining, industrial, wastewater-affected, experimental, fertiliser or manufacturer settings are kept out of this reference.

Inverse weighted empirical CDF; midpoint at exact cumulative-weight boundaries. At least four reference units and a definitely positive Q1 to Q3 spread are required. This is a display eligibility rule, not statistical validation.

Limitations

FDA Total Diet Study is the only compatible sampling family for chocolate chip cookies, as sold on this basis in the completed chocolate chip cookies ledger, so this single-family reference cannot represent other markets. Reporting regions and purchase markets are not growing areas. Non-detects with differing limits widen the bounds. A position is descriptive concentration, not a safety or compliance judgment.

Admitted source families

Reference version and interpretation

Frozen evidence selection: 2026-10-22. Method: hmi-pooled-reference-v2.

hmi-pooled-reference-v2:chocolate-chip-cookies-97fb4395ae8d:95959db41399

The reference is computed by HMI from admitted evidence, not copied from a study baseline. It describes the evidence currently in this scope; it is not a worldwide or current-lot benchmark. Source, year and region filters do not change it. Different HMI scopes are not one common ranking.

HMI chocolate chip cookies U reference · Chocolate chip cookies, as sold

Reference and scope

HMI chocolate chip cookies U reference · Chocolate chip cookies, as sold. Chocolate chip cookies, as sold; As sold, as eaten or fresh weight, µg/kg; no moisture conversion. Distribution of subgroup median concentration values.

Reference (µg/kg)Q1MedianQ3
Primary HMI reference24.24.7
Alternative weighting24.24.7

3 reference units; 1 sampling family. Counts describe evidence units, not independent studies or certainty.

Contributing familyReference unitsWeight
FDA Total Diet Study3100%

Methods

HMI pools subgroup medians for chocolate chip cookies, as sold on a as sold, as eaten or fresh weight basis: monitoring results summarized as one median per reporting region, sampling type and collection year, total diet composites and printed sample values as single observations, and printed subgroup medians from ordinary farms or markets. Each sampling family has equal total weight. Non-detects stay as zero-to-limit intervals, so quartiles carry lower and upper bounds. Means, ranges and maxima never enter as observations. Other forms, other bases, targeted sampling and results from mining, industrial, wastewater-affected, experimental, fertiliser or manufacturer settings are kept out of this reference.

Inverse weighted empirical CDF; midpoint at exact cumulative-weight boundaries. At least four reference units and a definitely positive Q1 to Q3 spread are required. This is a display eligibility rule, not statistical validation.

Limitations

FDA Total Diet Study is the only compatible sampling family for chocolate chip cookies, as sold on this basis in the completed chocolate chip cookies ledger, so this single-family reference cannot represent other markets. Reporting regions and purchase markets are not growing areas. Non-detects with differing limits widen the bounds. A position is descriptive concentration, not a safety or compliance judgment.

Admitted source families

Reference version and interpretation

Frozen evidence selection: 2026-10-22. Method: hmi-pooled-reference-v2.

hmi-pooled-reference-v2:chocolate-chip-cookies-badc8e73b5d7:b1f764d92b38

The reference is computed by HMI from admitted evidence, not copied from a study baseline. It describes the evidence currently in this scope; it is not a worldwide or current-lot benchmark. Source, year and region filters do not change it. Different HMI scopes are not one common ranking.

1 dataset

How metals reach chocolate chip cookies

No study in the library compared chocolate chip cookies from contaminated and ordinary settings, so the routes by which metals reach it are not measured here.

Which forms and regions measured lower

The HMI reference for lead in chocolate chip cookies, as sold pools 11 subgroup units from 2 sampling families, with a median of between 7.1 and 8 µg/kg and a middle half spanning between 5.6 and 7.1 (lower quartile) and between 9 and 11 µg/kg (upper quartile).1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →2U.S. Food and Drug Administration · 2022FY2018-FY2020 TDS Elements Analytical ResultsFDA Total Diet StudyRead source → For lead in chocolate chip cookies, cooked, the reference median was 9.87 µg/kg, with a middle half from 8.52 to 13.3 µg/kg across 8 units.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source → For cadmium in chocolate chip cookies, as sold, the reference median was 30 µg/kg, with a middle half from 25 to 47 µg/kg across 30 units.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →2U.S. Food and Drug Administration · 2022FY2018-FY2020 TDS Elements Analytical ResultsFDA Total Diet StudyRead source →

Among GEMS/Food reporting regions, chocolate chip cookies, as sold had the lowest cadmium subgroup median in PAHO (11 µg/kg) and the highest in PAHO (45 µg/kg); reporting regions are markets, not growing areas.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →

Processing, cooking and preparation

No processing study for metals in this food is in the library yet.

Mitigation for chocolate chip cookies

Lot testing against the applicable limit is the check that can be verified.

No measured way to lower metals in this food is in the library yet.

Trade-offs and limits of controls

Metals do not move together, so a lot that passes a lead limit says little about cadmium, arsenic or nickel unless those are tested as well.

Testing chocolate chip cookies for metals

Results depend on the method and its reporting limit. Reporting limits for lead ranged from 4 µg/kg (FDA Total Diet Study) to 3,000 µg/kg (WHO GEMS/Food), so a non-detect from a less sensitive method says much less.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →2U.S. Food and Drug Administration · 2022FY2018-FY2020 TDS Elements Analytical ResultsFDA Total Diet StudyRead source → Reporting limits for cadmium were 1 µg/kg where sources stated them.2U.S. Food and Drug Administration · 2022FY2018-FY2020 TDS Elements Analytical ResultsFDA Total Diet StudyRead source →

A useful lot result names the form, the basis and a quantification limit well below the limit that applies.

Buying and verifying chocolate chip cookies

No maximum level for metals in chocolate chip cookies was verified from primary text for this page; buyers should confirm the limit that applies in the destination market.

Exposure from chocolate chip cookies

No source in the library converted chocolate chip cookies concentrations into a verified estimate of intake for a defined population. Concentrations describe the food, not individual risk.

Evidence review and remaining gaps

Every source record that names chocolate chip cookies was decided on its content: 4 occurrence extracted, 4 records in all. The occurrence table renders every extracted result; held values remain visible with their reason.

References identify the sources used in these answers. The Sources index preserves additional discovery links; inclusion there does not mean a source has been reviewed for this assessment. Corrections, completed searches, new direct evidence and changes in requirements should reopen the relevant answer.

Chocolate chip cookies FAQs

What heavy metals are found in chocolate chip cookies?

The library reports lead, cadmium, total arsenic, total mercury, nickel, chromium and uranium in chocolate chip cookies, most often lead, cadmium and total arsenic.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →2U.S. Food and Drug Administration · 2022FY2018-FY2020 TDS Elements Analytical ResultsFDA Total Diet StudyRead source →3Alexandra Gavelek, Judith Spungen, Dana Hoffman-Pennesi, Brenna Flannery, Laurie Dolan, Sherri Dennis, Suzanne Fitzpatrick · 2019Lead exposures in older children (males and females 7-17 years), women of childbearing age (females 16-49 years) and adults (males and females 18+ years): FDA total diet study 2014-16Food Additives & Contaminants: Part ARead source →4Spungen JH, et al. · 2024Infants’ and young children’s dietary exposures to lead and cadmium: FDA total diet study 2018-2020Food Additives & Contaminants: Part ARead source → WHO GEMS/Food submissions reported lead in chocolate chip cookies, as sold from 37 results in 1 reporting region, with subgroup medians below 15 µg/kg, mostly non-detects.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →

Which regions report the lowest levels in chocolate chip cookies?

Among GEMS/Food reporting regions, chocolate chip cookies, as sold had the lowest cadmium subgroup median in PAHO (11 µg/kg) and the highest in PAHO (45 µg/kg); reporting regions are markets, not growing areas.1World Health Organization · 2026GEMS/Food Contaminants database heavy-metal exportsGEMS/Food Contamination Monitoring and Assessment ProgrammeRead source →

References

Works cited on this page, in citation-number order. See Sources for this page’s source inventory. Each title links to a source record with bibliographic details, reported findings, and document provenance.

  1. GEMS/Food Contaminants database heavy-metal exportsWorld Health Organization · GEMS/Food Contamination Monitoring and Assessment Programme · 2026 · extranet.who.intDataset
  2. FY2018-FY2020 TDS Elements Analytical ResultsU.S. Food and Drug Administration · FDA Total Diet Study · 2022 · www.fda.govDataset
  3. Lead exposures in older children (males and females 7-17 years), women of childbearing age (females 16-49 years) and adults (males and females 18+ years): FDA total diet study 2014-16Alexandra Gavelek, Judith Spungen, Dana Hoffman-Pennesi, Brenna Flannery, Laurie Dolan, Sherri Dennis, et al. · Food Additives & Contaminants: Part A · 2019 · doi.org/10.1080/19440049.2019.1681595Peer-reviewed
  4. Infants’ and young children’s dietary exposures to lead and cadmium: FDA total diet study 2018-2020Spungen JH and et al. · Food Additives & Contaminants: Part A · 2024 · doi.org/10.1080/19440049.2024.2396910Peer-reviewed

Sources

Browse Chocolate chip cookies Sources for sources cited on this page and additional discovery candidates. The searchable index distinguishes verified citation use from discovery relationships whose relevance has not been established.

Update history

22 October 2026: Rebuilt from every chocolate chip cookies record in the library: 4 occurrence sources, references by form and basis, same-study contrasts.