MAR Proposal of De Minimis Rule Change

Proposed de minimis rule change:
Administrative Rules of the State of Montana

Handy Pocket Reference

This is a useful general reference from GE Energy. It seems to be geared toward air quality regulations and related calculations. In addition to conversion factors and equations, it includes a map of EPA regions and listings of air regulations and HAPs.

GE Energy Pocket Reference Book

Plant Cost Indices

June 2010 Economic Indicators

Valve Stem Sealing to Minimize Fugitive VOC Emissions

Chem Engineering article about standards and seals for valve stems.

Article

NO / NO2 Ratios

Here's some background information on estimating ratios of NO and NO2:

2000 Proposed Appendix W OLM Discussion

NO2 Estimating Review

1996 EPA OLM Memo

Diesel Engine NO2 MDEQ E-mail

PM2.5 PSD Implementation

Address SILs, condensibles, precursors, significant increase thresholds, increment (none yet), etc.

Proposed Rule, September 2007

Final Rule, May 2008

Ethanol Major Source Exclusion

Federal Exclusion of Ethanol Manufacturing from PSD Listed Sources

Billings-Laurel FIP

Billings-Laurel FIP - proposed

Billings-Laurel FIP - final

Sample Checklist of New Project Environmental Requirements

Environmental Rqmnts Checklist Sample

Tank Flashing Emissions - New Mexico guidelines

Tank Flashing Emissions Guidelines, New Mexico

Proposed CBC MACT Guidance

Article about state comments to proposed rule/guidance. They'd rather EPA focused on fixing whatever situation is requiring case-by-case analysis.

Article

NWE Starts New Ad Campaign (MSTI Related)