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$99 Screening Assessment

SAMPLE

AUDIO SAFE

Venue Sound Safety Assessment — Screening Report

Venue: Grace Community Church

1200 Maple Avenue, Springfield, IL 62704

Session: Sunday 10:30 Service

Date: July 12, 2026

Event: Full-band worship set

Prepared by: Argos Advanced Solutions Inc. — Audio Safe

Leadership summary

6 positions measured. Highest average level: 96.8 dB. Highest peak: 108.5 dB. 3 positions in the RED range (Front seating, Center seating, Stage monitor position). 2 positions in the YELLOW range (Rear seating, Children's space). See recommended operating ranges below.

Recommended operating ranges (this venue)

GREENbelow 70 dB avg

Safe for prolonged exposure — typical conversation levels and below.

YELLOW70–85 dB avg

Caution: prolonged exposure at these levels can damage hearing over time. Monitor duration; consider protection for staff in fixed positions.

REDabove 85 dB avg

Harmful with sustained exposure. Reduce level or duration; consider a calibrated follow-up survey.

Findings by position

Front seatingRed

Average 92.4 dB · Peak 104.1 dB · Duration 18:30 · Time ≥ 70 dB: 18:30

Evidence: Grade C — Smartphone screening measurement

Notes: Directly under the left PA hang.

Center seatingRed

Average 88.7 dB · Peak 101.2 dB · Duration 18:00 · Time ≥ 70 dB: 18:00

Evidence: Grade C — Smartphone screening measurement

Rear seatingYellow

Average 82.1 dB · Peak 95 dB · Duration 17:45 · Time ≥ 70 dB: 16:20

Evidence: Grade C — Smartphone screening measurement

Children's spaceYellow

Average 76.3 dB · Peak 88.4 dB · Duration 20:00 · Time ≥ 70 dB: 12:10

Evidence: Grade C — Smartphone screening measurement

Notes: Door to the auditorium was propped open during the service.

LobbyGreen

Average 68.5 dB · Peak 80.2 dB · Duration 15:00 · Time ≥ 70 dB: 2:40

Evidence: Grade C — Smartphone screening measurement

Stage monitor positionRed

Average 96.8 dB · Peak 108.5 dB · Duration 19:10 · Time ≥ 70 dB: 19:10

Evidence: Grade C — Smartphone screening measurement

Notes: Drummer wedge plus in-ear bleed.

Assessor notes

Main mix ran hot through the second half of the set. Recommend trimming the FOH master 3–4 dB and re-checking the front rows and stage-monitor position. Closing the children's-space door to the auditorium should drop spill roughly 5 dB. With three positions in the red range, a calibrated follow-up survey is worth scheduling.

Evidence grades

Grade A — Calibrated Type 1/2 meter or dosimeter

Grade B — Validated app + calibrated external mic

Grade C — Smartphone screening measurement

Grade D — Observational context only

Reference points

Reference points: OSHA hearing-conservation action level 85 dBA (8-hr TWA), permissible exposure limit 90 dBA (29 CFR 1910.95). NIOSH recommended exposure limit 85 dBA. WHO safe-listening guideline for venues: 100 dB LAeq over 15 minutes (2022 guideline, not U.S. law).

Important — scope of this report

Audio Safe assessments and the Audio Safe app are screening and operational decision-support tools. They are not a substitute for a calibrated Type 1 or Type 2 sound-level meter or a personal dosimeter where formal regulatory compliance testing is required, and they do not constitute a legal-compliance or medical determination. This report tells you when a calibrated survey or certified professional is the right next step. No audio is ever recorded — only sound levels.

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