Is There Mercury In Your Industrial Wastewater Discharge?

This article was written by Practical Applications’ biologist Kimberly Baxter and originally appeared in the December 2005 issue of Plumbing Engineer magazine. A PDF of the article is available HERE.

Abstract

An assessment of sampling locations for three industrial wastewater effluent piping systems is presented. The assessments provided demonstrate that by installing sampling ports at the appropriate location along an effluent stream’s piping system, truly representative samples can be collected. These real and accurate results scientifically prove that a specific industrial wastewater discharge does not contain mercury levels that will trigger regulatory enforcement action.

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We wanted to send out a notification for those who did not attend the MWRA Significant Industrial User (SIU) meetings this week.  As many of you know, the EPA audited the MWRA and its Industrial Pretreatment Program(IPP) back in December 2007.  The MWRA just received the report back and one of the requirements in the report was to change/streamline their

MWRA Rate Increase - Regulation 310 CMR 10.00

regulations.  The MWRA changed some of the terminology surrounding the adjudicatory proceedings(310 CMR 1.00) and clarified the language and provisions surrounding enforcement actions (310 CMR 2.00).  Changes to 310 CMR 10.00 included adding definitions for Best Management Practices(BMP) and New Sources, clarifying the definitions for an SIU, adding a prohibition against BOD and COD that could interfere with the POTW function, and proposing a fee increase over the next three years.  You can view the proposed regulations by visiting http://www.mwra.com/trac/proposedamendments-2009.htm.  The underlined text means an addition, a strike means a deletion.

This fee increase affects ALL industrial users.  If you have a permit, whether it is a low-flow general permit or your are a SIU, your fees will be going up.  The proposed increase is 4.5% each year for three years.  They have not raised their fees since fiscal year 2005 and are looking for feedback regarding the increase.  The informal comment period on the fee increase ends April 24th!  If you have comments regarding the fee increase (or the other regulations changes), please email Carolyn Fiore at cfiore@mwra.state.ma.us by April 24th.