Common Questions About Environmental Topics

Pennsylvania NPDES
15 mins to read

How PAG-03 Benchmark Values Work

Visit the Pennsylvania NPDES & Stormwater Permit Help Center What Stormwater Benchmarks Mean, How Your Sample Results Get Compared to Them, and What Happens When a Number Comes Back High If your...

What are RECs in a Phase I Environmental Site Assessment?
Jun 2, 2014
Everything You Need to Know About Phase I Environmental Site Assessments (ESAs)
May 22, 2025
How long is a Phase I Environmental Site Assessment good for?
Apr 27, 2016
Who can conduct Phase I Environmental Site Assessments?
Jun 29, 2016

Pennsylvania NPDES
20 mins to read

PAG-03 Stormwater Appendices: How to Find the Section That Applies to Your Industry

Visit the Pennsylvania NPDES & Stormwater Permit Help Center How to Find Your Industry's Section of Pennsylvania's PAG-03 Stormwater Permit by SIC Code, and What That Appendix Means for Your Sampling...

Stormwater Permits
13 mins to read

What Is a SWPPP and Why Does Delaware Require One?

NPDES Permitting by RMA | NPDES Pricing & Calculator | NPDES Library & Resources What a Stormwater Pollution Prevention Plan Actually Is, and Why It Has to Match Your Site, Not Just a Binder If...

New Jersey SPCC Plans
17 mins to read

Heating Oil Tanks at New Jersey Businesses: When They Bring Federal Spill Rules

Visit the New Jersey SPCC Plan Help Center How Heating Oil Tanks at New Jersey Businesses, Churches, Schools, and Older Buildings Fit Into Federal Oil Spill Plan Rules and New Jersey's Tank and Spill...

SPCC Plans
19 mins to read

Your Fuel Supplier Owns the Tank. Who's Responsible for Spills at Your New Jersey Site?

Visit the New Jersey SPCC Plan Help Center Your Fuel Supplier Owns the Tank, but the Oil Spill Plan and Spill Rules Usually Still Land on Your New Jersey Facility A lot of New Jersey facilities never...

New Jersey SPCC Plans
16 mins to read

How Many Oil Drums Before a New Jersey Shop Needs a Spill Plan?

Visit the New Jersey SPCC Plan Help Center Drum Counting Rules for New Jersey Shops and Manufacturers: When 55-Gallon Drums of Oil Trigger an SPCC Plan, How Totes Count, and What Containment You'll...

NJPDES Permits
19 mins to read

Do Small Businesses in New Jersey Need Stormwater Permits?

Visit the New Jersey NJPDES & Stormwater Permit Help Center Why Business Size Doesn't Decide It, and How Your Industry Code and Outdoor Exposure Do If you run a small shop, yard, or plant, rainwater...

NJPDES Permits
19 mins to read

Why Does New Jersey Have More Than One Industrial Stormwater Permit?

Visit the New Jersey NJPDES & Stormwater Permit Help Center The 5G2, CPM, R4, R13, RSG, SM2, RVR, WRC, Individual Permits, and No Exposure: How New Jersey Sorts Industrial Facilities and Why Landing...

NJPDES Permits
10 mins to read

What's the Difference Between NPDES and NJPDES?

Visit the New Jersey NJPDES & Stormwater Permit Help Center NPDES vs. NJPDES: Why New Jersey Uses Its Own Name for Stormwater and Wastewater Permits, and Why That Means NJDEP Is the Agency You Deal...

Pennsylvania SPCC Plans
15 mins to read

How Many Oil Drums Before a Pennsylvania Shop Needs a Spill Plan?

Visit the Pennsylvania SPCC Plan Help Center Why 25 Drums of Lube or Hydraulic Oil Can Put a Pennsylvania Shop Under Federal Oil Spill Rules, How Drums and Totes Are Counted, and What Containment...