EPA Method 8: Determination of Sulfuric Acid and Sulfur Dioxide Emissions from Stationary Sources

The Environmental Supply Method 8 sampling system is for the determination of H2SO4 (including H2SO4 mist and SO3) and gaseous SO2 emissions from stationary sources. Method 8 is an isokinetic method which requires a Method 5 sampling train. The filter position is in between the 1^st and 2^nd impingers and the filter holder does not have to be heated. Filterable particulate matter may be determined along with H2SO4 and SO2 (subject to the approval of the Regulatory Administrator) by inserting a heated glass fiber filter between the probe and isopropanol impinger. If this option is chosen, particulate analysis is gravimetric only; sulfuric acid is not determined separately. Sample collection time is 1hour.

Although there are many different variations of train configurations, the component list below is a basic system with the 2" filter assembly pictured below as the main distinguishing feature apart from a basic Method 5 train:

C-5000 Console with Open Frame Pump. The C-5000 Series consists of: 10” Dual inclined manometer with 1” incline and brass shutoff valves, manometer solenoid valves for on-the-fly zeroing capability, solid state temperature controllers for probe and filter, 7-station thermocouple selector switch, LED temperature readout, amphenol 4-pin fused power delivery, power-pump-timer-null-orsat power switch controls, brass valves and 1/2" QC sample inlet, 3/8" QC pitot inlets, 1/4" QC Orsat Inlet and pump connections.

C-5100 Metric Version of the C-5000 available.

P-0523-OF-BR Open Frame Pump, Vacuum Lines, Brass Fittings

M5-CB06 6-Impinger Insulated Cold Box

M5-UA Umbilical Adapter, #28 SS Socket, TC, Check Valve, ½” QC Stem

UC-025 Umbilical Cable, Flexible Sheath, 25’ (7.62 meters)- Available in various lengths.

PRA-P05 Pyrex Lined Probe assembly welded 316 stainless steel construction, 1" sheath with welded 5/8" nut and Teflon coated unin, 3/8" pitots and 3/8" SS QC stems, 1/4" Orsat line and 1/4" SS QC stem, stack thermocouple, liner with removable heating mantle,ball Joint with/ O-Ring, 5' Effective length. Available in additional lengths as well.

PRL-P05 Pyrex (Borosilicate Glass)  Probe Liner, 5' Effective Length #28 Ball Joint with O-Ring as an EXTRA liner (1 Pyrex liner is included in the probe assembly). Available in additional lengths as well

PRNS-P Set of 7 Pyrex Nozzles, 1/8"-1/2", in foam lined case

PRU-ST10 5/8” Teflon Coated SS Union, TFE Single Ferrules, SS Nut

M5-CB-PA Probe Support Adapter Panel, Cold Box Mounted

M8-GSBO-2 Method 8 Glassware Set, Precision Ground Ball Joint w/ O-Ring which includes the following:

• Qty 1 GP-103 Double "L" Connector
• Qty 2 GP-104 Greenburg-Smith Impinger (with Orifice)
• Qty 2 GP-105 Modified Impinger
• Qty 2 GP-106 "U" Tube Connector
• Qty 1 GFA-2T-M8 2" (47mm) Filter Assembly. (Two 90° Bend Socket Halves, Teflon Frit, Clamp Ring)

GF2-107 Glass Fiber Filters, 47mm Box of 10

JB-10 Power Distribution box

CO-QC8-B-Set Critical Orifice Set of 5 Calibrated Orifices

To better understand the method, please visit Method 8

For 220V, just add "-V"

EPA Method 8: Determination of Sulfuric Acid and Sulfur Dioxide Emissions from Stationary Sources
Item # M8 

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