Skip to main content
Environmental Sciences Europe

Table 4 Substances that have one of the four top Hazard Quotients in one or more of the Group IIIB mixture exposures in the UKCIP and JRC datasets and the number of mixtures where they are in the top four Hazard Quotients

From: An application of a decision tree for assessing effects from exposures to multiple substances to the assessment of human and ecological effects from combined exposures to chemicals observed in surface waters and waste water effluents

UKCIP Dataset (WWTP effluents)

JRC Dataset (Surface waters)

Substance1

Number mixtures in Group IIIB (out of 12)

Substance1

Number mixtures in Group IIIB (out of 10)

Copper

12

Diclofenac

9

Total PDBEs

12

Terbuthylazine

9

Zinc

11

Terbuthylazine desethyl

9

Propanolol

5

Nonylphenol

6

Iron

3

Bisphenol A

4

Nickel

3

Estrone

3

Fluoxetine

2

Isoproturon

3

  

tert-Octylphenol

3

  1. 1All substances are present at levels below their RV values (HQ less than 1) but make significant contributions to mixtures with HI values greater than 1.
Back to article page