What are Common corrosive airborne contaminants and their sources for the Proper Running of the server

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H2S
Geothermal emissions, microbiological activities, fossil fuel processing, wood rot, sewage treatment

SO2, SO3
Coal combustion, petroleum products, automobile emissions, ore smelting, sulfuric acid manufacture

S
Foundries, sulfur manufacture, volcanoes

HF
Fertilizer manufacture, aluminum manufacture, ceramics manufacture, steel manufacture, electronics device manufacture

NOX
Automobile emissions, fossil fuel combustion, chemical industry

NH3
Microbiological activities, sewage, fertilizer manufacture, geothermal emissions, refrigeration equipment

C
Incomplete combustion (aerosol constituent), foundry

CO
Combustion, automobile emissions, microbiological activities, tree rot

Cl2, ClO2
Chlorine manufacture, aluminum manufacture, zinc manufacture, refuse decomposition

HCl
Automobile emissions, combustion, forest fire, oceanic processes, polymer combustion

HBr, HI
Automobile emissions

O3
Atmospheric photochemical processes mainly involving nitrogen oxides and oxygenated hydrocarbons

CNHN
Automobile emissions, animal waste, sewage, tree rot

Other related questions:
What's the concentration level of corrosive airborne contaminants in a data center
The concentration level of corrosive airborne contaminants in a data center shall meet the requirements listed in the white paper entitled Gaseous and Particulate Contamination Guidelines for Data Centers published in 2011 by American Society of Heating Refrigerating and Air-conditioning Engineers (ASHRAE) Technical Committee (TC) 9.9. According to the Guidelines, corrosive airborne contaminants in a data center shall meet the following requirements: Copper corrosion rate Less than 300 ?/month per ANSI/ISA-71.04-2013 severity level G1. Silver corrosion rate Less than 200 ?/month.

What's ESD Protection Requirements for the proper running of the server
Static electricity may damage the chips on integrated circuit boards and cause faults in software and electronic switches. Statistics show that 60 percent of damaged circuit boards are caused by static electricity. Therefore, it is essential to take effective ESD protection measures. The absolute value of electrostatic voltage must be less than 1000 V.

What's the electromagnetic compatibility requirements for the proper running of the server
Electromagnetic Phenomenon Specifications Low frequency magnetic field Frequency (Hz) 50-20,000 Ampl. A/m (rms) 0.025-10 Amplitude modulation RF electric field Frequency (MHz) 0.009-18,000 Ampl. V/m (rms) < 3 Pulse modulation RF electric field Frequency (GHz) 1-18 Ampl. (V/m (peak)) < 3

What's Wiring Requirements for the Proper Running of the server
Ground cables must not be bound or entwined with signal cables. If they are parallel, the distance between them cannot be shorter than 3 centimeters. The incoming and outgoing signal cables, power cables, and optical cables to and from an office must not twine around the signal cables and power cables in the TR. If they are parallel, the distance between them cannot be shorter than 5 centimeters. Ground cables must not be led in from above. They must be underground or arranged indoors. PGND cables should be routed straight and as short as possible, and must not spiral. A PGND cable should not be longer than 30 meters, and should be as short as possible. The protection ground bar should be installed at a place less than 30 meters away from the server.

What's Lightning Protection Requirements for the Proper Running of the server
Power cables must not be led into the TR from above. After a power cable is led into the TR, an industry-standard power surge protector should be installed at the entrance near the power cable and be connected to the nearest ground terminal. The ground cable should be as short as possible. Signal cables must not be led into the TR from above. After a signal cable is led into the TR, an industry-standard signal surge protector should be installed at the entrance near the signal cable and be connected to the nearest ground terminal. The ground cable should also be as short as possible.

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