Regulations & Documents
Regulations & Documents covers what applies to chemical products whatever their use: specifications, equivalents and supplier documents such as TDS, SDS and certificates of analysis, and the chemical regulations and exposure limits that reach across many product types. Rules that affect one product type are in that product's guide.
Chemical regulations, SDS and exposure limits
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GHS Pictograms Chart: What Each Symbol Means and What to Do
GHS uses nine hazard pictograms; OSHA requires eight because the environment symbol is optional in the US. See what each means and what to do.
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How to Label Secondary Chemical Containers to OSHA and GHS Rules
Labeling a secondary chemical container takes five steps: identify the product, read SDS section 2, pick the label format, apply it and audit it on site.
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Which Occupational Exposure Limit to Use: PEL, TLV or REL?
Use the binding limit, such as an OSHA PEL, to check legal compliance and the lowest current limit, binding or recommended, to set internal controls.
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How to Answer a Customer PFAS Questionnaire Without Overstating
A PFAS questionnaire answer needs five sections: products covered, PFAS definition, intentional-use statement, evidence and its limits, and a review date.
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How to Decide When a Safety Data Sheet Needs Revision
To decide if an SDS needs revision, check classification, exposure limits and risk measures against the OSHA and REACH triggers. See the criteria.
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TSCA vs REACH: How US and EU Chemical Rules Differ in Practice
TSCA needs each substance on the EPA Inventory or cleared as new; REACH needs EU registration at 1 tonne or more a year. Compare the duties side by side.
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REACH vs RoHS: What Each Rule Means for Chemical Products
REACH covers almost every chemical, mixture and article sold in the EU; RoHS covers only restricted substances in electronics. See which duty applies.
Turn technical reasoning into better results.