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40 in I <br />i <br />- -- BLAST WARNING SIGNALS <br />?RIOII TO_.61?ST <br />t LOMO SIREN SIGNALS AT 5 MINUTES <br />20 SNORI SIREN SIGNALS AT 1 MINUTES <br />STEADY ELECTRIC SIREN AT 2 MINUTES <br />TONE CNANOE ELECTRIC SIREN AT 30 SECONDS <br />ALL CLEAR <br />ONE LONG SIREN SIGNAL OF 20 SECONDS UIRATTON <br />AFTER INSPECTION OF BLAST AREA <br />AT AU } <br />WARNING! <br />EXPLOSIVES IN USE <br />Orange Background With Black Lettering <br />POSTED AT ALL PUBLIC ACCESSES <br />20" 30" <br />KEEP OUT <br />DANGER STOP <br />BLASTING 1411 <br />BLASTING <br />- AREA - AREA <br />POSTED ON ALL MINE ROADS <br />WITHIN 50' OF BLASTING AREA <br />FIGURE 3.1-2 BLASTING SIGNS <br />3-5