Economy

Safer Mining Practices Reduce Hazardous Exposures—Study

Published

7 years ago

14/01/2019

By Modupe Gbadeyanka

A new study has showed that a pilot program to reduce lead poisoning in Nigerian gold mining communities has brought extraordinary improvements to an area where hundreds of children had died from lead poisoning.

The study authors concluded that a two-year effort to introduce safer mining practices was effective at preventing deaths and reducing lead poisoning in highly exposed villages.

“Our pilot project demonstrated that low-cost dust control measures were effective at reducing average airborne lead exposures by 95 per cent,” said Perry Gottesfeld, Executive Director of Occupational Knowledge International (OK International) whose organization partnered with Doctors Without Borders/ Médecins Sans Frontières (MSF) in this effort.

The safer mining project took place in the Shakira community in Niger State where high levels of lead are naturally present in the gold ore. The primary objective was to reduce lead exposures among artisanal small-scale miners and minimize take-home exposures.

“We worked cooperatively with miners to provide them with the information and tools to reduce their exposures to lead and silica dust. Together we showed that these efforts minimized contamination and helped save lives.” Gottesfeld said.

The organization demonstrated the effectiveness of reducing airborne lead levels by working with miners to convert dry operations into wet methods. Water spray misting was proven to be highly effective while minimizing water consumption. In addition to significant reductions in the airborne lead, the authors reported that these control measures reduced the smaller respirable silica dust by 80 percent.

Philip Aruna, Head of Mission in Nigeria for Doctors Without Borders said: “OK International has exceeded expectations in bringing an entire community together to prevent severe lead poisoning and by demonstrating significant reductions in lead exposures among miners.”

Gottesfeld noted that “Following our extensive outreach and training, these miners were motivated to take measures to reduce hazardous lead exposures and invested their own time and money to implement these protective measures.”

The authors of the Study “Reducing Lead and Silica Dust Exposures in Small-Scale Mining in Northern Nigeria” published in Annals of Work Exposures and Health noted that average lead exposures among ore processors before the implementation of safer practices were 19 times greater than the U.S. Occupational Safety and Health Administration (OSHA) permissible limit for lead.

In Nigeria and in most other African countries, there are no occupational limits for exposure for lead or silica dust.

Silica dust causes silicosis, lung cancer and is a significant risk factor for tuberculosis (TB). Lead causes severe neurological deficits and death among children in these communities, but even at low exposure levels is responsible for 674,000 deaths each year primarily due to cardiovascular disease.

There are an estimated 40 million informal small-scale miners working in at least 70 countries around the world. Although some programs have attempted to reduce mercury exposures in these communities, this is the first such intervention to demonstrate reductions in lead and silica dust exposures. The authors of the published article note that in mining communities lead and silica hazards pose a far greater risk to human health than the use of mercury.

Dr. Adolphe Fotso, Medical Coordinator for Nigeria with Doctors Without Borders, and an author on the paper said, “this effort was an extraordinary success in reducing these significant health risks and protecting children from lead poisoning.”

In addition to introducing wet methods, OK International focused on training miners to implement simple measures including handwashing, showering, setting up separate eating areas, and changing out of work clothing before going home at the end of the day. The study estimated that the overall cost for introducing these measures in this community was approximately $5,000.

Economy

NASD Exchange Extends Bearish Run After 0.56% Drop

Published

19 hours ago

03/04/2026

Adedapo Adesanya

By Adedapo Adesanya

The NASD Over-the-Counter (OTC) Securities Exchange extended its stay in the south territory with a decline of 0.56 per cent on Wednesday, April 2.

This brought down the market capitalisation by N13 billion to N2.417 trillion from N2.430 trillion, and downed the NASD Unlisted Security Index (NSI) by 22.57 points to 4,062.87 points from the previous session’s 4,062.87 points.

It was observed that the NASD exchange ended with three price gainers and three price losers during the trading day.

MRS Oil Plc depreciated by N19.00 to close at N171.00 per unit compared with the previous price of N190.00 per unit, NASD Plc lost N4.14 to trade at N37.36 per share compared with Wednesday’s N41.50 per share, and Central Securities Clearing System (CSCS) Plc gave up N2.00 to sell at N78.00 per unit versus N80.00 per unit.

On the flip side, FrieslandCampina Wamco Nigeria Plc appreciated by 19 Kobo to N93.00 per share from N92.81 per share, Food Concepts Plc expanded by 15 Kobo to N2.87 per unit from N2.72 per unit, and Great Nigeria Insurance (GNI) Plc improved by 2 Kobo to 52 Kobo per share from 50 Kobo per share.

Yesterday, the volume of securities dipped by 91.8 per cent to 260.2 million units from 3.2 billion units, the value of securities went down by 98.1 per cent to N154.2 million from N8.3 billion, while the number of deals soared by 53.3 per cent to 46 deals from 30 deals.

GNI Plc was the most active stock by value on a year-to-date basis with 3.4 billion units worth N8.4 billion, followed by CSCS Plc with 56.9 million units valued at N3.9 billion, and Okitipupa Plc with 27.5 million units traded for N1.8 billion.

The most traded stock by volume on a year-to-date basis was also GNI Plc with 3.4 billion units sold for N8.2 billion, trailed by Resourcery Plc with 1.1 billion units exchanged for N415.7 million, and Infrastructure Guarantee Credit Plc with 400 million units transacted for N1.2 billion.

Economy

Naira Slips to N1,380/$1 at Official Market, Remains N1,405/$1 at Black Market

Published

19 hours ago

03/04/2026

Adedapo Adesanya

By Adedapo Adesanya

The Naira dropped N2.09 or 0.15 per cent against the United States Dollar in the Nigerian Autonomous Foreign Exchange Market (NAFEX) on Thursday, April 2, to trade at N1,380.79/$1 compared with Wednesday’s rate of N1,378.70/$1.

However, it appreciated against the Pound Sterling in the official market by N2.77 to quote at N1,824.86/£1 versus the N1,836.57/£1 it was traded at midweek, and improved its value against the Euro by N10.54 to N1,591.92/€1 from N1,602.46/€1.

Yesterday was the last trading session of the week for the local currency in the spot market, as the market will be closed on Friday and Monday for the Easter Holiday.

At the black market, the Nigerian Naira maintained stability against the greenback yesterday at N1,405/$1, but gained N8 at the GTBank FX counter to settle at N1,388/$1, in contrast to the previous session’s N1,396/$1.

Pressure eased on the domestic currency as strong policy indicators have helped calm the majority of worries within the financial systems. Particularly in the remittance segment, the apex bank has directed all International Money Transfer Operators (IMTOs) to route remittance transactions through designated Naira settlement accounts in banks, a move aimed at boosting transparency and channelling more foreign exchange into the formal market.

This helps take off pressure from the foreign reserves, which have fallen below the $50 billion mark as they are gradually decreasing rather than falling sharply.

Meanwhile, the cryptocurrency market was bullish on Thursday, as macro sentiment shifted against recent optimism after reports that Iran is drafting a protocol with Oman to manage traffic through the Strait of Hormuz, easing concerns about disruptions to a key global oil route.

The remarks came after U.S. President Trump on Wednesday night vowed to hit Iran “extremely hard” in the coming weeks and that the Strait of Hormuz would “open naturally” once the war ends.

Cardano (ADA) chalked up 1.9 per cent to trade at $0.2435, Dogecoin (DOGE) grew by 1.2 per cent to $0.0912, Ethereum (ETH) appreciated by 0.8 per cent to $2,066.37, Bitcoin (BTC) added 0.5 per cent to sell at $67,080.53, Solana (SOL) increased by 0.5 per cent to $79.91, and Ripple (XRP) jumped 0.2 per cent to $1.31.

Conversely, Binance Coin (BNB) dipped 0.7 per cent to $586.90, and TRON (TRX) depreciated by 0.3 per cent to $0.3147, while the US Dollar Tether (USDT) and the US Dollar Coin (USDC) closed flat at $1.00 each.

Economy

Bulls, Bears Share Customs Street’s Spoils Amid Bullish Investor Sentiment

Published

19 hours ago

03/04/2026

Dipo Olowookere

By Dipo Olowookere

The local stock market was relatively flat on Friday, as the bears and the bulls shared the spoils of war, though investor sentiment turned bullish compared with the preceding session’s bearish posture.

Data from the Nigerian Exchange (NGX) Limited showed that the All-Share Index (ASI) was marginally down by 4.66 points as it ended at 201,698.89 points versus Wednesday’s 201,703.55 points, and the market capitalisation slightly contracted by N3 billion to N129.806 trillion from N129.809 trillion.

Customs Street was shut on Friday because of the public holidays declared by the federal government today and next Monday.

Business Post reports that John Holt declined by 9.91 per cent to N15.45, Abbey Mortgage Bank shed 9.60 per cent to trade at N8.95, International Energy Insurance slipped by 6.48 per cent to N3.32, Chams shrank by 5.30 per cent to N3.75, and Tantalizers depreciated by 5.18 per cent to N4.03.

On the flip side, Unilever Nigeria improved by 10.00 per cent to N103.40, Fortis Global Insurance gained 9.82 per cent to trade at N1.23, Multiverse appreciated 9.81 per cent to N20.15, Legend Internet advanced by 9.38 per cent to N6.30, and Zichis grew by 9.02 per cent to N14.14.

The market breadth index was positive during the trading session, as there were 35 appreciating stocks and 24 depreciating stocks.

Yesterday, investors traded 560.0 million equities valued at N19.3 billion in 49,676 deals, in contrast to the 815.5 million equities worth N33.3 billion transacted in 52,641 deals in the preceding day, representing a drop in the trading volume, value, and number of deals by 31.33 per cent, 42.04 per cent, and 5.63 per cent, respectively.

Secure Electronic Technology dominated the activity log with 59.7 million shares valued at N61.1 million, Wema Bank exchanged 52.0 million equities worth N1.4 billion, VFD Group transacted 36.0 million stocks for N410.5 million, Access Holdings sold 35.3 million shares valued at N914.8 million, and Chams traded 31.0 million equities worth N115.0 million.