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Assessment and recommendations report detailing the chemical properties, exposure levels, health studies, and occupational safety guidelines for aluminum welding fumes based on both human and animal research.
Year: 2012
Document type: Technical assessment
Topic: Occupational health, Aluminum welding fume
Author: James L. Unmack, MS, CIH
Organization: HEAC
Draft versions: 1 March 9, 2012; 2 March 12, 2012; 3 March 16, 2012; 4 March 26, 2012
Chemical: Aluminum oxide
CAS number: 1344-28-1
Proposed exposure limit: 0.5 mg/m³ TWA
Measurement methods: NIOSH 7300, 7301, 7303, Method 7013
Intended audience: Occupational health professionals, industrial hygienists
Key applications: Aerospace, transportation, non-ferrous metal welding
Relevant studies: Piggot 1981, Akila 1999, Buchta 2003, Elinder 1991, Hanninen 1994, Iregren 2001, Ljungren 1991, Riihimaki 2000/2008, Rossbach 2006, Vandenplas 1998, Sjogren and Ellinder 1992
Exposure guidelines referenced: 8 CCR 5155 Table AC-1, NIOSH REL, ACGIH TLV
Content focus: Particle size, density, melting/boiling points, odor thresholds, health-based recommendations
Price: 8 / 10 USD
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Toluene HEAC Assessment and PEL Recommendation July 21, 2008
Year: 2008
Region / City: -
Topic: Occupational health, chemical safety
Document type: Technical report
Organization / Institution: -
Author: -
Target audience: Occupational health professionals, industrial hygienists
Period of validity: -
Approval date: July 21, 2008
Date of changes: -
Context: Technical document related to health and safety standards for toluene exposure in occupational environments, providing recommendations for permissible exposure limits (PEL) based on scientific findings.
Carbon Disulfide Health Effects Assessment for HEAC discussion September 5th, 2008 (Revision of August 18, 2008)
Year: 2008
Region / City: California
Subject: Health effects of carbon disulfide exposure
Document Type: Health assessment
Organization / Institution: HEAC
Author: Not specified
Target Audience: Not specified
Effective Period: Not specified
Approval Date: Not specified
Modification Date: August 18, 2008
Potential Hazards and Risk Reduction for Roof Work and Fume Cupboard Emissions
Year: Not specified
Region / City: Not specified
Subject: Workplace safety, roof work, fume cupboard emissions
Document Type: Safety guidelines
Organization / Institution: Not specified
Author: Not specified
Target Audience: Maintenance and service personnel
Period of Validity: Not specified
Approval Date: Not specified
Amendment Date: Not specified
Invitation to Bid for the Supply, Installation, Commissioning and Validation of Three Identical Fume Cupboards, Bid FIN-SCM-TEN-0205, Closing 18 March 2026
Organisation: South African Nuclear Energy Corporation SOC Ltd (Necsa)
Bid number: FIN-SCM-TEN-0205
Bid description: Supply, installation, commissioning and validation of three identical fume cupboards
Document type: Invitation to bid / tender document
Sector: Nuclear energy and laboratory infrastructure
Procurement framework: Preferential Procurement Policy Framework Act and Preferential Procurement Regulations, 2022
Contract conditions: General Conditions of Contract (GCC) and applicable special conditions
Bid closing date: 18 March 2026
Bid closing time: 11:00 AM
Bid validity period: 90 working days from the bid closing date
Delivery address: Necsa Gate 3, R104 Elias Motsoaledi Street (Church Street West Ext), Pelindaba, Brits Magisterial District, Madibeng Municipality, North West, 0240, South Africa
Contact person: Mr. Buyani Nsibande
Contact email: [email protected]
Contact telephone: +27 (0) 12 305 6072
Project components: Supply and installation of fume cupboards, validation, site acceptance testing, safety documentation, operator training, spare parts provision
Associated project: UCHEM Crystal Waste Project
Technical specification reference: MES – MEC-PUR - 0008
Health, safety and environmental requirements: Compliance with ISO 14001, OHSAS 18001, ISO 9001, ISO 17025 and RD 0034
Site status: National Key Point facility with controlled access requirements
Invitation to Bid FIN-SCM-TEN-0205 for Supply, Installation, Commissioning and Validation of Three Fume Cupboards
Year: 2026
Region / City: Pelindaba, South Africa
Document Type: Invitation to Bid / Tender Document
Organization: Necsa
Bid Number: FIN-SCM-TEN-0205
Closing Date: 18 February 2026
Closing Time: 11:00am
Contact Person: Mr Buyani Nsibande
Telephone: 012 305 6072
Email: [email protected]
Scope: Supply, install, commission and validate three identical fume cupboards
Requirements: Tax Compliance Status PIN, Central Supplier Database registration, B-BBEE verification
Target Audience: Suppliers of laboratory equipment, foreign and local bidders
Conditions: Comply with Preferential Procurement Policy Framework Act 2000, General Conditions of Contract, and Special Conditions if applicable
Submission: Bids must be submitted on official forms by the closing date and time
Binary Effect of Silica Fume and Waste Glass Powder as A Cement Replacement for Sustainable Concrete
Year: 2026
Authors: Ömer Damdelen, Mohamad Ali Mosaberpanah, Stephen Babajide Olabimtan, Micheal Deric Anthony, Babatunde Olufunso Oluwole
Affiliation: Civil Engineering Department, Cyprus International University, North Cyprus, Nicosia, Turkey
Type of document: Research article
Field: Civil Engineering / Sustainable Construction
Keywords: Silica fume, Waste Glass Powder, Sustainable Concrete, Cement Replacement, Material Science
Correspondence email: [email protected]
Study focus: Impact of silica fume and waste glass powder on concrete properties
Experimental variables: Cement replacement levels (5%-20%) with silica fume and waste glass powder
Measured properties: Workability, compressive strength, tensile strength, water absorption, density, microstructure, high-temperature resistance
Publication language: English
Twin City Fan & Blower Guide Specification High Velocity Fume Exhaust Ventilators Model TVIFE, Direct Drive
Year: 2015
Region / City: Minneapolis, Minnesota, USA
Subject: Laboratory and industrial ventilation
Document Type: Product specification / technical guide
Organization / Institution: Twin City Fan & Blower, division of Twin City Fan Companies, Ltd.
Author: Twin City Fan & Blower Technical Department
Target Audience: Engineers, contractors, facility managers
Standards Referenced: AMCA, ANSI, NEMA, NFPA, UL/cUL
Fan Model: TVIFE Series Induced Flow Mixed Flow Fans
Drive Configuration: Direct drive, Arrangement 4
Applications: Laboratory fume hoods, schools, hospitals, research facilities, restaurants, wastewater treatment plants
Sizes: Wheel diameters 12.25 to 66 inches (315 mm to 1,680 mm)
Airflow Capacity: Up to 86,000 CFM (146,400 m³/hour)
Static Pressure: Up to 8 inches wg (1,987 Pa)
Certifications: AMCA certified air and sound performance, UL/cUL 705 listed
Manufacturing Facilities: Ten U.S. locations and expanded operations in South America, Europe, India, China, Singapore
Quality Standard: ISO 9001
Topics: Health-Based HEAC Fume