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Appendix 1: Activities and the Contaminants That May Contribute to Source Waters

Table A1 contains information about the possible contaminants that may arise from a given activity. This is not an exhaustive tabulation of all possible activities, nor of all contaminants that could arise. Activities could produce contaminants that are not included in the table. The specific details of an activity will determine whether all, or only some, of the contaminants listed may be a concern.

This table is a starting point for determining which contaminants may arise from an activity, but is only a guide. The details of each specific activity should be determined in each case, in order to gather a complete understanding of the possible contaminants.

The table includes ‘indirect’ contaminants as well as those arising directly from the activity. For example, where the activity could introduce nutrients into a water source, cyanotoxins are potential indirect contaminants arising from the growth of algae encouraged by the nutrients. (Cyanotoxins have not been listed where the quantities of nutrients being released seem likely to be relatively small.)

The information contained in Table A1 can be augmented by information from the Ministry for the Environment’s Hazardous Activities and Industries List.26

Abbreviations:

DBP Disinfection by-products

NOM Natural organic matter

PAH Polycyclic aromatic hydrocarbons

PCB Polychlorinated biphenyls

TPH Total petroleum hydrocarbons

Table A1: Possible contaminants from activities grouped by land use

View possible contaminants from activities grouped by land use (large table).

 

26 www.mfe.govt.nz/issues/hazardous/contaminated/hazardous-activities-industries-list-scheduleb.pdf

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