Similarly, the male sand goby is relentless about guarding his eggs from predators, but even if he has plenty of extra food available, he will still eat about a third of his brood. Research into how he decides which eggs to keep and which to eat reveals that size matters: male gobies tend to eat the largest eggs.
The CSB report found that the permit-required confined space rule set by OSHA does not prohibit entry or work in confined spaces where the concentration of flammable vapor exceeds ten percent of the chemical's lower explosive limit, or LEL.
Potential for other hazards Because confined spaces offer limited means of entry or exit and may contain hazards, employees must comply with OSHA 29 CFR 1910.146 and the Texas State University Confined Space Entry Program when working in these areas.