Ultra-trace Mercury Ultra-trace Mercury

Monitoring in AirMonitoring in Air

Ultra-trace Mercury Ultra-trace Mercury

Monitoring in AirMonitoring in Air

ekran Inc. ekran Inc.

ekran Inc. ekran Inc.

Company HistoryCompany History

Founded in 1989 to develop custom Founded in 1989 to develop custom instrumentation for environmental analysisinstrumentation for environmental analysis

Developed first mercury product in 1993Developed first mercury product in 1993

Have since become world leaders in this Have since become world leaders in this growing marketgrowing market

Products sold in more than 30 countriesProducts sold in more than 30 countries

ekran Inc. ekran Inc.

Why Measure Parts Per Why Measure Parts Per QuadrillionQuadrillion of Mercury ? of Mercury ?

Mercury is one of the most potent neuro-Mercury is one of the most potent neuro-toxins knowntoxins known

Bio-accumulates up the food chain by Bio-accumulates up the food chain by factors of greater than factors of greater than 10,000,00010,000,000

Levels are increasing worldwideLevels are increasing worldwide

Long life in the atmosphere means that Long life in the atmosphere means that mercury emissions are of mercury emissions are of globalglobal concern concern

ekran Inc. ekran Inc.

Sources of MercurySources of Mercury

Mining & smelting (gold)Mining & smelting (gold)

Waste incineratorsWaste incinerators

Battery manufacturingBattery manufacturing

Fluorescent lamps (manufacturing & Fluorescent lamps (manufacturing & disposal)disposal)

Chlor-alkali plants (pulp & paper)Chlor-alkali plants (pulp & paper)

Coal fired power plantsCoal fired power plants

ekran Inc. ekran Inc.

Client BaseClient Base

Governments (environmental monitoring)Governments (environmental monitoring)

Universities & research institutionsUniversities & research institutions

Mercury pollutersMercury polluters

Commercial analytical laboratoriesCommercial analytical laboratories

Power generation utilitiesPower generation utilities

ekran Inc. ekran Inc.

Before Tekran Model 2537ABefore Tekran Model 2537A

Traditional methods of atmospheric Traditional methods of atmospheric monitoring required manual sampling for monitoring required manual sampling for long periods. (hours or days)long periods. (hours or days)

Subsequent analysis usually performed in Subsequent analysis usually performed in a clean room environmenta clean room environment

ekran Inc. ekran Inc.

Manual Ambient Air SamplingManual Ambient Air Sampling

ekran Inc. ekran Inc.

Manual Cartridge AnalysisManual Cartridge Analysis

ekran Inc. ekran Inc.

Model 2537A AnalyzerModel 2537A Analyzer

ekran Inc. ekran Inc.

Model 2537A Mercury AnalyzerModel 2537A Mercury Analyzer

Provides continuous TGM readings with Provides continuous TGM readings with update rate as low as update rate as low as 2.52.5 minutes minutes

Detection limit Detection limit < 0.1 ng/m< 0.1 ng/m33 ( ( 12 ppq12 ppq ) )

Automatic recalibration with internal Automatic recalibration with internal permeation sourcepermeation source

Capable of unattended operation for Capable of unattended operation for extended periodsextended periods

ekran Inc. ekran Inc.

Flow Diagram of Model 2537AFlow Diagram of Model 2537A

ekran Inc. ekran Inc.

Chlor-Alkali Plant - USAChlor-Alkali Plant - USA

6

4

2

N

EW

S

Concentrationsin ng/m3

Chlor-Alkali Plantlocated bearing 60º

distance 18 miles

Plot Duration: 60 daysData Interval: 15 min

WINDDIRECTION

vs.

MERCURY

0

Plot of wind vs Plot of wind vs ambient mercury ambient mercury valuesvalues

Two months of Two months of continuous continuous monitoringmonitoring

Plant is located 18 Plant is located 18 miles distantmiles distant

Fish consumption Fish consumption advisories in effectadvisories in effect

ekran Inc. ekran Inc.

Depletions of Mercury in the ArcticDepletions of Mercury in the Arctic

ekran Inc. ekran Inc.

Companion ProductsCompanion Products

Model 1100Model 1100 - Zero Air Generator - Zero Air Generator Eliminates need for separate zero air sourceEliminates need for separate zero air source

Model 1110Model 1110 - Two Port Sampler - Two Port Sampler Mercury flux measurementMercury flux measurement

Model 1120Model 1120 - Standard Addition Unit- Standard Addition Unit QA/QC toolQA/QC tool

ekran Inc. ekran Inc.

Companion ProductsCompanion Products

Model 1130Model 1130 – Reactive Gaseous Mercury – Reactive Gaseous Mercury RGMRGM speciation unit differentiates between speciation unit differentiates between

ionic (ionic (HgHg2+2+) and elemental () and elemental (HgHg00) forms) forms

Model 1135Model 1135 – Particulate Mercury – Particulate Mercury Monitors fine fraction (Monitors fine fraction (<2.5 um<2.5 um) particulate ) particulate

bound mercurybound mercury

Detection limits of each unit: Detection limits of each unit: <2 pg/m<2 pg/m33

Mercury Monitoring in the FieldMercury Monitoring in the Field

Tekran analyzers are used routinely in Tekran analyzers are used routinely in some of the harshest locations on earth.some of the harshest locations on earth.

The equipment has demonstrated its The equipment has demonstrated its ruggedness and reliability in countless ruggedness and reliability in countless applications.applications.

Barrow, AlaskaBarrow, Alaska

Neumeyer Station, AntarcticaNeumeyer Station, Antarctica

Florida Everglades Florida Everglades