Calculators, Lookups & Field Tools

Look up any of 2,318 UN numbers. Get shipping descriptions, ERG guides, DOT placards, GHS pictograms, physical properties, emergency response data, and segregation compatibility.

Enter all the hazmat on your truck. Get the minimum required placards per 49 CFR 172.504. Handles Table 1 vs Table 2, the 1,001 lb rule, the DANGEROUS placard option, and mixed loads. Supports lbs, gallons, drums, and totes.

Decode the IB, T, TP, B, N, W, and numeric codes from Column 7 of the 49 CFR 172.101 Hazmat Table. 100+ provisions in plain English.

Find your state's 24/7 emergency spill hotline, written follow-up deadline, and state-specific reporting thresholds. All 50 states plus DC.

Look up CERCLA reportable quantities by chemical name or CAS number. Enter the quantity released and get an instant RQ determination with NRC reporting guidance.

Generate customized step-by-step response checklists for 8 incident types: chemical spills, oil spills, PCB incidents, UST releases, transportation accidents, and more. Printable with interactive checkboxes.

Search EPA hazardous waste codes across all five lists: F-list, K-list, P-list (acutely hazardous), U-list, and D-codes (characteristics). Includes descriptions, CAS numbers, RQs, and TCLP thresholds.

Interactive decision tree for RCRA hazardous waste determination under 40 CFR 262.11. Walk through solid waste, exclusions, listed codes, and characteristics to get a clear determination.

Enter your monthly hazardous waste generation quantities. Get your RCRA generator category (VSQG, SQG, or LQG) with storage limits, accumulation time, and compliance requirements.

Build a TSDF-ready hazardous waste profile with guided prompts for every field a disposal facility needs: generator info, composition, RCRA codes, DOT, LDR, and more.

OSHA PEL, NIOSH REL, and IDLH values for 640+ chemicals. Build custom action level tables for HASPs and industrial hygiene sampling plans. Pulls directly from the NIOSH Pocket Guide.

Look up environmental violation penalties by state. Covers CWA, RCRA, CERCLA, CAA, and state-specific environmental statutes with fine ranges and enforcement data.

Calculate liquid volume in horizontal cylinders, vertical cylinders, and rectangular tanks. Enter dimensions and fill level to get gallons, liters, and barrels. Supports partial fill calculations.

Calculate secondary containment requirements for drums, totes, and tanks. Compares RCRA and SPCC standards side by side.

Get a realistic cleanup cost range for any spill scenario. Line-item breakdown of response labor, vacuum truck, soil excavation, disposal, and more. Real 2026 numbers from 10 years of field experience, no scare tactics.