about this participant:
Jessica Assaf, a student from San Rafael, CA, participated in the 2007 biomonitoring investigation entitled "EWG Study #10, cosmetic chemicals in teens." She gave blood and urine for the study on May 9, 2007 at age 17.
San Rafael, CA
May 9, 2007
health & safety concerns:
|chemicals found in this person|
|Immune system (including sensitization and allergies)||6|
|Chronic effects, general||3|
|Reproduction and fertility||1|
Participant: Jessica Assaf
Found 13 of 25 tested chemicals
Jessica Assaf's blood and urine contained 13 of 25 industrial compounds, pollutants and other chemicals tested, including chemicals linked to immune system toxicity, respiratory system toxicity, and chronic effects.
- This participant's samples show above average levels of Parabens, compared to all others in EWG studies
Summary of chemicals found in Jessica Assaf
|chemical family||level found||health effects||exposure routes|
|Nitro- and polycylic- musks||low||Endocrine system, Cancer||Cosmetics, perfumes, cleaning agents, detergents, soaps|
|Parabens||high||Personal care products, some foods, beverages, and medications|
|Phthalates||moderate||Cosmetics, paint, soft plastic, food packaging, and other consumer products|
|Triclosan||moderate||Endocrine system, Skin||Antibacterial soap, toothpaste, cosmetics, cleaning products, shoe insoles, plastic cutting boards, other antibacterial items|
Test results by chemical family (see each chemical)
1 of 11 found — see each chemical
Fragrance ingredients. Build up in human tissues. May harm hormone system.
- cumulative level found: 0.0891 ng/g (wet weight) in blood serum
- Low vs 42 tested in EWG/Commonweal studies (24th %ile)
|0||ng/g (wet weight) in blood serum||4.23|
Total Nitro- and polycylic- musks
5 of 6 found — see each chemical
Preservatives in cosmetics. Cause skin irritation and allergies. May be linked to hormone disruption and breast cancer.
- cumulative level found: 680 ug/g creatinine in urine
- High vs 28 tested in EWG/Commonweal studies (83rd %ile)
|8.39||ug/g creatinine in urine||3820|
6 of 7 found — see each chemical
In cosmetics, paint, and plastics. Linked to sperm damage and birth defects of male reproductive system.
- cumulative level found: 232 ug/g creatinine in urine
- Moderate vs 72 tested in EWG/Commonweal studies (37th %ile)
- Moderate vs 8,020 tested in CDC biomonitoring  (40th %ile) (comparison based on congeners tested by CDC)
|102||ug/g creatinine in urine||10800|
1 of 1 found
Antibacterial agent (pesticide) in liquid hand soap, toothpaste, cosmetics, cleaning products, footwear, and plastic products labeled "antibacterial." Triclosan may disrupt thyroid hormones, and can form several chemicals with health and environmental concerns.
- level found: 2.88 ug/g creatinine in urine
- Moderate vs 28 tested in EWG/Commonweal studies (40th %ile)
- Moderate vs 2,612 tested in CDC biomonitoring  (37th %ile) (comparison based on congeners tested by CDC)
|0||ug/g creatinine in urine||350|
Chemicals not found in Jessica Assaf
 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.)