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Test Results

Body Burden: The Pollution in Newborns: Test Results

July 14, 2005

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  PCB-137

PCB-137 was found in 9 of 10 umbilical cord blood samples from babies born in U.S. hospitals in 2004, at concentrations ranging from 18.4 to 132.5 pg/g (lipid weight, in whole blood). It was also found in 3 of 3 adult blood samples, at concentrations ranging from 1,170.9 to 3,946.7 pg/g (lipid weight, in whole blood).

In polychlorinated biphenyl (PCB) family of chemicals - banned industrial insulators and lubricants; cause cancer and nervous system problems.


About PCB-137 *
CAS RN35694-06-5
Chemical ClassPolychlorinated biphenyl (PCB)
Chemical SubClassHexa-PCB
Manufacturing/ Use Statusbanned for use/manufacture in the U.S.
Trade and product namesArochlors, Chlophen ®, Chlorextol ®, Clophen ®, Dykanol ®, Fenclor ®, Fenclor ® 42, Inerteen ®, Kanechlor ®, Montar ®, Monter ®, Noflamol ®, Phenochlor ®, Pyralene ®, Pyranol ®, Santotherm ®, Santotherm ® FR, Sovol ®, Therminol ®, Therminol ® FR-1
Chemical functionsdedusting agent, flame retardant, pesticide extender, plasticizer
Usesadhesives, adhesives (former), carbonless reproducing paper, carbonless reproducing paper (former), cutting oils, cutting oils (former), dedusting agents, dedusting agents (former), electrical capacitors, electrical transformers, vacuum pumps, electrical capacitors, electrical transformers, vacuum pumps, and gas-transmission turbines (former), fire retardants, fire retardants (former), hydraulic fluid, hydraulic fluid (former), ink, ink (former), lubricants, lubricants (former), pesticide extenders, pesticide extenders (former), plasticizer, plasticizer (former), used in heat transfer systems, used in heat transfer systems (former), wax extenders, wax extenders (former)
ManufacturersMonsanto (former mfg), Monsanto (former), US Borax Inc. (former mfg)

* Information may include trade names, manufacturers, and products for other chemicals in the Polychlorinated biphenyl (PCB) class.



Priority Health Concerns for PCB-137
Health Concern or Target OrganWeight of Evidence
HearingKnown Effects
Brain, Nervous SystemKnown Effects
CancerKnown Effects
Birth Defects / Developmental DelaysKnown Effects
Immune SystemProbable Effects

References for Health Effects



Suspected Health Concerns for PCB-137
Female Reproductive System, Liver, Cardiovascular System Or Blood, Skin, Lungs/breathing, Reproductive System, Kidney, Stomach Or Intestines, Hormone System, Male Reproductive System

References for Health Effects



Related EWG Materials
Body Burden: The Pollution in PeoplePCB-137 was found in 6 of the nine test subjects. The 6 people had an average of 2,318.3 and a range of 1,520.0 to 2,940.0.



Regulatory Status
Toxic Substances Control ActBanned in 1977