Proposed MACT rule set for publishing, AFS ad-hoc committee formed to represent industry. (Metalcasting Associations).In anticipation of U.S. EPA's publishing of the proposed standards regulating the emissions of Hazardous Air Pollutants pollutants see environmental pollution. (HAPs) from iron and steel foundries (also known as the MACT MACT Maximum Achievable Control Technology MACT Maximum Available Control Technology MACT Men of All Colors Together MACT Minnesota Association of Community Theatres MACT Maulana Azad College of Technology (Bhopal, India) standards), AFS A distributed file system for large, widely dispersed Unix and Windows networks from Transarc Corporation, now part of IBM. It is noted for its ease of administration and expandability and stems from Carnegie-Mellon's Andrew File System. AFS - Andrew File System has established the 10E MACT Ad-hoc Committee to represent the metalcasting industry. As of press time, the draft of the MACT standards are expected to be published by the end of December December: see month. . Table 1 provides a brief synopsis A summary; a brief statement, less than the whole. A synopsis is a condensation of something—for example, a synopsis of a trial record. of how each area of a foundry A semiconductor manufacturer that makes chips for third parties. It may be a large chip maker that sells its excess manufacturing capacity or one that makes chips exclusively for other companies. will be affected by the proposed rules, The key with the rules is that a foundry must calculate its emissions on a potential to emit TO EMIT. To put out; to send forth, 2. The tenth section of the first article of the constitution, contains various prohibitions, among which is the following: No state shall emit bills of credit. basis (24 hr a day/365 days a yr) unless previously accounted for in other action. Chaired by Gary Thoe, Waupaca Foundry, Inc., the committee's first task will be to deliver formal comments to EPA EPA eicosapentaenoic acid. EPA abbr. eicosapentaenoic acid EPA, n.pr See acid, eicosapentaenoic. EPA, n. during the 60-day comment period for the proposed rule. The committee is comprised of engineering and environmental professionals from the metalcasting industry. A prepublication pre·pub·li·ca·tion adj. Of or relating to the time just before a publication date, especially of a book: The marketing department was amazed by the number of prepublication orders. copy of the proposed standards appears on the AFS website. "These standards will have a great impact on our industry; more so than when the original Clean Air Act was implemented in the early 1970s," wrote Thoe in a letter sent to the foundries that will be affected by the proposed standards. "Once foundries calculate their HAP HAP. An old word which signifies to catch; as, "to hap the rent," to hap the deed poll." Techn. Dict. h.t. emissions based on potential to emit, many are going to be surprised to find out that they will be covered by these standards," said Gary Mosher A mosher is a person who is crossed between goth/punk/skater they have long hair and listen to music like slipknot and metal music. Some people call them headbangers. At certain music shows they have something called a mosh pit, basically its a fight pit with loads of people bashing each other. , AFS vice president of environmental health and safety. "For example a foundry using 2.8 lb/hr of triethylamine (TEA) through phenolic phe·no·lic adj. Of, relating to, containing, or derived from phenol. n. Any of various synthetic thermosetting resins, obtained by the reaction of phenols with simple aldehydes and used as adhesives. urethane urethane (yoor´ithān´), n ethyl carbamate used as an anesthetic agent for laboratory animals, formerly used as a hypnotic in humans. coldbox core machines that are not vented vent 1 n. 1. A means of escape or release from confinement; an outlet: give vent to one's anger. 2. An opening permitting the escape of fumes, a liquid, a gas, or steam. 3. to a scrubber will need to apply for an air permit and install a state of the art scrubber. "All foundries big or small that may be impacted by the standards as they have been proposed need to file comments. The agency believes that the impact on our industry is minimal. The ball is in our court to prove them wrong," Mosher said. It is expected that the debate over the proposed rule will not end with technical arguments. Legal counsel also will be required to review technical and procedural arguments that AFS will submit during the comment period. "As optimistic op·ti·mist n. 1. One who usually expects a favorable outcome. 2. A believer in philosophical optimism. op as we can be regarding the success of our efforts, it will be naive naive - Untutored in the perversities of some particular program or system; one who still tries to do things in an intuitive way, rather than the right way (in really good designs these coincide, but most designs aren't "really good" in the appropriate sense). to not anticipate that as an industry we will have to file a court challenge once the final rules are published in August 2003," said Thoe. "In the event that we will have to take that step, the legal cost will be significant and we will need to seek financial support from our industry." For more information about the actions of the committee, contact Thoe at 715/258-6611 or Gary Mosher at 847/824-0181 x228 or email at gem gem, ornamental mineral or organic substance gem, commonly, a mineral or organic substance, cut and polished and used as an ornament. Gems also are used as seals (items of assurance) and as talismans (good-luck charms). For birthstones, see month. @afsinc.org.
Table 1
A Synopsis of How Each Foundry Will Be Affected By the Proposed MACT
Rules
Process/Operation Existing Source MACT
Scrap Scrap specifications and
Selection inspection program to limit
organics and hazardous air
pollutants (HAP) metals in
scrap including but not
limited to free liquids,
grease, oils, oil turnings,
paintedparts,plastic parts,
lead components and
galvanized materials.
Cupola Outlet particulate matter (PM)
<0.005 grains/dry standard cu.
ft of air (gr/dscf). Outlet CO
<200 parts per million as a
volume (ppmv). **
Electric Induction or Outlet PM <0.005 gr/dscf.
Electric Arc Melting Furnace
Scrap Volatile Organic Chemicals
Preheater (VOC)--98% reduction by weight
or <20 ppmv as propane at
outlet. *** Outlet
PM <0.005 gr/dscf.
Pouring, Cooling and Manually ignite gases from
Shakeout Line each mold vent that do not
ignite automatically.
Pouring Area or Pouring Area--Manually ignite
Station gases from each mold vent that
do not ignite automatically.
Pouring Station--Outlet
PM <0.010 gr/dscf.
Mold and Coremaking PUCB *: Outlet TEA <1 ppmv.
FWB *: No methanol that is
specifically a part of the
formulation. PUCB* and PUNB *:
Use naphtalene-depleted
solvent (<3% naphthalene by
weight). Other Binder Systems:
Evaluate and use reduced HAP
binders or demonstrate
technical/economic
feasibility. Re-evaluate
every five years.
Mold and Core Coatings No HAP ingredients in
liquid component.
Capture Systems Capture system providing a
face velocity of 200
ft/min for each emission
source source subject
to an emission limit.
Process/Operation New Source MACT
Scrap Same as existing source MACT.
Selection
Cupola Outlet PM <0.001 gr/dscf.
Outlet CO <200 ppmv. **
Electric Induction or Outlet PM <0.001 gr/dscf.
Electric Arc Melting Furnace
Scrap VOC--98% reduction by
Preheater weight or <20 ppmv
as propane at outlet.
Outlet PM <0.001 gr/dscf.
Pouring, Cooling and VOC--98% reduction by weight
Shakeout Line or <20 ppmv. at propane outlet
(flow weighted average) ***
Pouring Area or Pouring Area--Manually ignite
Station gases from each mold vent that
do not ignite automatically
Pouripg Area/Pouring station--
Outlet PM <0.002 gr/dscf.
Mold and Coremaking Same as existing source MACT.
Mold and Core Coatings Same as existing source MACT.
Capture Systems Same as existing source MACT.
* PUCB--Phenolic Urethane Cold Box
* PUNB--Phenolic Urethane No Bake
* FWB--Furan Warm Box
** Monitor CO using CEMS
*** Monitor VOCs using CEMS
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