about this participant:

Ruby Alcorn, from Oakland, CA, participated in the 2008 biomonitoring investigation entitled "EWG Study #9, flame retardants in mothers and children." She gave blood for the study on November 10, 2006 at age 4.

Related links:

Oakland, CA

Participant's groups:

Toddler, PBDE Family 2, Female, Child


EWG Study #9, flame retardants in mothers and children

Sample Date:

November 10, 2006

health & safety concerns:
chemicals found in this person
Brain and nervous system9
Reproduction and fertility9

picture of Ruby Alcorn

Participant: Ruby Alcorn
Found 9 of 20 tested chemicals

Ruby Alcorn's blood contained 9 of 20 industrial compounds, pollutants and other chemicals tested, including chemicals linked to brain and nervous system toxicity, reproductive toxicity and fertility problems,

Summary of chemicals found in Ruby Alcorn

chemical family level found health effects exposure routes
Polybrominated diphenyl ethers (PBDEs)highReproduction and fertility, Brain and nervous system Foam furniture, carpet padding, computers, televisions, contaminated house dust, food

Test results by chemical family (see each chemical)

polybrominated diphenyl ethers (pbdes)

9 of 20 found — see each chemical

Polybrominated diphenyl ethers (PBDEs)

Fire retardants in furniture foam, computers, and televisions. Accumulate in human tissues. May harm brain development.

  • cumulative level found: 113 ng/g (lipid weight) in blood serum
      [excludes PBDE-154/PBB-153]
  • High vs 116 tested in EWG/Commonweal studies (94th %ile)
  • High vs 2,337 tested in CDC biomonitoring [1] (86th %ile) (comparison based on congeners tested by CDC)
1.11ng/g (lipid weight) in blood serum314

Total Polybrominated diphenyl ethers (PBDEs)

Chemicals not found in Ruby Alcorn

11 chemicals

PBDE-183, PBDE-201, PBDE-196, PBDE-208, PBDE-207, PBDE-206, PBDE-71, PBDE-66, PBDE-17, PBDE-209, PBDE-203


[1] CDC (2005). National Report on Human Exposure to Environmental Chemicals, Centers for Disease Control. http://www.cdc.gov/exposurereport/. (Methylmercury results have been compared to total mercury in CDC biomonitoring.)

See results for this participant's group