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Environmental Standards Flashcards

7 cards from real CST practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Environmental Standards flashcards as text

  1. A surveyor preparing an Elevation Certificate for a building in a floodplain must reference elevations to which datum, as shown on the FIRM?

    Answer: The datum shown on the FIRM, usually NAVD 88 or NGVD 29

    Elevation Certificates must use the vertical datum of the effective FIRM, or show a conversion to it.

  2. Which OSHA standard requires protective systems for trench excavations that are 5 feet deep or more?

    Answer: 29 CFR 1926 Subpart P

    Subpart P of the construction standards covers excavations, including sloping, shoring, and shielding.

  3. A crew must stake a road alignment through habitat for a listed species. Which law most directly restricts disturbing that habitat?

    Answer: Endangered Species Act

    The ESA prohibits the take of listed species and protects critical habitat.

  4. What is the main purpose of a Stormwater Pollution Prevention Plan (SWPPP) on a construction site larger than one acre?

    Answer: To control erosion and sediment discharge under NPDES requirements

    A SWPPP is required under the NPDES construction general permit to limit pollutants in stormwater.

  5. A surveyor measures the ordinary high water mark (OHWM) along a stream. What does the OHWM typically mark?

    Answer: The limit of federal jurisdiction over non-tidal waters

    For non-tidal waters, the OHWM marks the lateral limit of Corps jurisdiction under the Clean Water Act.

  6. Which field condition most increases the risk of GNSS multipath error?

    Answer: Setting up next to a large metal building or chain-link fence

    Reflective surfaces bounce satellite signals, which corrupts the measured ranges.

  7. When working near a suspected hazardous waste site, what should a survey technician do first?

    Answer: Review the site safety plan and confirm required HAZWOPER training and PPE

    OSHA 29 CFR 1910.120 requires training and a site safety plan before entering hazardous waste sites.