We are taught from a young age that two plus two equals four; it is a given just as the earth is round, despite recent controversy. But two plus two may not equal four due to two concepts: significant figures and rounding. But why should you care about either of those two concepts? If you are subject to permit limits or standards those concepts can be the difference between compliance and noncompliance.
Continue Reading Two Plus Two Does Not Always Equal Four

With the extensive changes and expansion proposed by the California Department of Toxic Substances Control to California’s hazardous waste management program, companies that may be impacted should consider submitting comments to DTSC by the November 6, 2017 deadline.
Continue Reading Proposed Changes to California’s Hazardous Waste Regulations Could Significantly Impact Your Operations